{
 "race_id": "generic-ballot-2026",
 "title": "2026 Generic Congressional Ballot",
 "as_of": "2026-11-05",
 "method": "https://electionsusa.org/methodology/",
 "average": {
  "Democrats": 50.8,
  "Republicans": 42.8
 },
 "margin": 8.0,
 "n_polls_weighted": 119,
 "n_polls_total": 546,
 "trend": {
  "Democrats": [
   [
    "2025-09-29",
    45.5
   ],
   [
    "2025-10-02",
    45.5
   ],
   [
    "2025-10-05",
    45.6
   ],
   [
    "2025-10-08",
    45.5
   ],
   [
    "2025-10-11",
    45.6
   ],
   [
    "2025-10-14",
    45.6
   ],
   [
    "2025-10-17",
    45.8
   ],
   [
    "2025-10-20",
    45.7
   ],
   [
    "2025-10-23",
    45.8
   ],
   [
    "2025-10-26",
    45.7
   ],
   [
    "2025-10-29",
    46.0
   ],
   [
    "2025-11-01",
    46.0
   ],
   [
    "2025-11-04",
    45.8
   ],
   [
    "2025-11-07",
    46.2
   ],
   [
    "2025-11-10",
    46.3
   ],
   [
    "2025-11-13",
    47.2
   ],
   [
    "2025-11-16",
    47.0
   ],
   [
    "2025-11-19",
    47.2
   ],
   [
    "2025-11-22",
    47.4
   ],
   [
    "2025-11-25",
    46.4
   ],
   [
    "2025-11-28",
    46.5
   ],
   [
    "2025-12-01",
    46.3
   ],
   [
    "2025-12-04",
    46.2
   ],
   [
    "2025-12-07",
    46.2
   ],
   [
    "2025-12-10",
    45.9
   ],
   [
    "2025-12-13",
    46.2
   ],
   [
    "2025-12-16",
    45.9
   ],
   [
    "2025-12-19",
    46.7
   ],
   [
    "2025-12-22",
    46.6
   ],
   [
    "2025-12-25",
    46.6
   ],
   [
    "2025-12-28",
    46.5
   ],
   [
    "2025-12-31",
    46.4
   ],
   [
    "2026-01-03",
    46.2
   ],
   [
    "2026-01-06",
    46.1
   ],
   [
    "2026-01-09",
    46.4
   ],
   [
    "2026-01-12",
    46.1
   ],
   [
    "2026-01-15",
    46.3
   ],
   [
    "2026-01-18",
    46.5
   ],
   [
    "2026-01-21",
    46.9
   ],
   [
    "2026-01-24",
    47.1
   ],
   [
    "2026-01-27",
    47.2
   ],
   [
    "2026-01-30",
    47.3
   ],
   [
    "2026-02-02",
    47.2
   ],
   [
    "2026-02-05",
    47.2
   ],
   [
    "2026-02-08",
    47.1
   ],
   [
    "2026-02-11",
    47.2
   ],
   [
    "2026-02-14",
    46.5
   ],
   [
    "2026-02-17",
    46.3
   ],
   [
    "2026-02-20",
    46.5
   ],
   [
    "2026-02-23",
    46.3
   ],
   [
    "2026-02-26",
    46.4
   ],
   [
    "2026-03-01",
    46.5
   ],
   [
    "2026-03-04",
    47.3
   ],
   [
    "2026-03-07",
    47.2
   ],
   [
    "2026-03-10",
    47.1
   ],
   [
    "2026-03-13",
    47.1
   ],
   [
    "2026-03-16",
    47.0
   ],
   [
    "2026-03-19",
    47.0
   ],
   [
    "2026-03-22",
    46.8
   ],
   [
    "2026-03-25",
    46.9
   ],
   [
    "2026-03-28",
    47.0
   ],
   [
    "2026-03-31",
    46.4
   ],
   [
    "2026-04-03",
    46.5
   ],
   [
    "2026-04-06",
    46.4
   ],
   [
    "2026-04-09",
    46.4
   ],
   [
    "2026-04-12",
    46.4
   ],
   [
    "2026-04-15",
    46.7
   ],
   [
    "2026-04-18",
    47.1
   ],
   [
    "2026-04-21",
    47.1
   ],
   [
    "2026-04-24",
    47.2
   ],
   [
    "2026-04-27",
    46.9
   ],
   [
    "2026-04-30",
    47.4
   ],
   [
    "2026-05-03",
    47.3
   ],
   [
    "2026-05-06",
    47.6
   ],
   [
    "2026-05-09",
    48.3
   ],
   [
    "2026-05-12",
    48.0
   ],
   [
    "2026-05-15",
    48.2
   ],
   [
    "2026-05-18",
    48.1
   ],
   [
    "2026-05-21",
    48.3
   ],
   [
    "2026-05-24",
    48.2
   ],
   [
    "2026-05-27",
    48.0
   ],
   [
    "2026-05-30",
    47.8
   ],
   [
    "2026-06-02",
    47.6
   ],
   [
    "2026-06-05",
    47.8
   ],
   [
    "2026-06-08",
    47.2
   ],
   [
    "2026-06-11",
    47.3
   ],
   [
    "2026-06-14",
    47.3
   ],
   [
    "2026-06-17",
    47.2
   ],
   [
    "2026-06-20",
    47.2
   ],
   [
    "2026-06-23",
    47.5
   ],
   [
    "2026-06-26",
    47.5
   ],
   [
    "2026-06-29",
    47.4
   ],
   [
    "2026-07-02",
    47.5
   ],
   [
    "2026-07-05",
    47.1
   ],
   [
    "2026-07-08",
    47.2
   ],
   [
    "2026-07-11",
    47.3
   ],
   [
    "2026-07-14",
    47.2
   ],
   [
    "2026-07-17",
    47.3
   ],
   [
    "2026-07-20",
    47.9
   ],
   [
    "2026-07-23",
    48.0
   ],
   [
    "2026-07-26",
    47.7
   ],
   [
    "2026-07-29",
    47.9
   ],
   [
    "2026-08-01",
    47.9
   ],
   [
    "2026-08-04",
    47.6
   ],
   [
    "2026-08-07",
    48.0
   ],
   [
    "2026-08-10",
    47.9
   ],
   [
    "2026-08-13",
    47.7
   ],
   [
    "2026-08-16",
    47.6
   ],
   [
    "2026-08-19",
    47.4
   ],
   [
    "2026-08-22",
    47.4
   ],
   [
    "2026-08-25",
    47.6
   ],
   [
    "2026-08-28",
    47.2
   ],
   [
    "2026-08-31",
    46.6
   ],
   [
    "2026-09-03",
    47.2
   ],
   [
    "2026-09-06",
    47.3
   ],
   [
    "2026-09-09",
    47.6
   ],
   [
    "2026-09-12",
    47.9
   ],
   [
    "2026-09-15",
    48.5
   ],
   [
    "2026-09-18",
    48.7
   ],
   [
    "2026-09-21",
    48.9
   ],
   [
    "2026-09-24",
    48.9
   ],
   [
    "2026-09-27",
    49.0
   ],
   [
    "2026-09-30",
    49.0
   ],
   [
    "2026-10-03",
    49.1
   ],
   [
    "2026-10-06",
    49.0
   ],
   [
    "2026-10-09",
    49.1
   ],
   [
    "2026-10-12",
    49.5
   ],
   [
    "2026-10-15",
    49.7
   ],
   [
    "2026-10-18",
    49.7
   ],
   [
    "2026-10-21",
    50.0
   ],
   [
    "2026-10-24",
    50.2
   ],
   [
    "2026-10-27",
    50.4
   ],
   [
    "2026-10-30",
    50.7
   ],
   [
    "2026-11-02",
    50.8
   ],
   [
    "2026-11-03",
    50.8
   ]
  ],
  "Republicans": [
   [
    "2025-09-29",
    42.9
   ],
   [
    "2025-10-02",
    42.9
   ],
   [
    "2025-10-05",
    42.9
   ],
   [
    "2025-10-08",
    43.0
   ],
   [
    "2025-10-11",
    43.1
   ],
   [
    "2025-10-14",
    43.4
   ],
   [
    "2025-10-17",
    43.6
   ],
   [
    "2025-10-20",
    42.5
   ],
   [
    "2025-10-23",
    42.8
   ],
   [
    "2025-10-26",
    42.8
   ],
   [
    "2025-10-29",
    43.0
   ],
   [
    "2025-11-01",
    43.1
   ],
   [
    "2025-11-04",
    42.8
   ],
   [
    "2025-11-07",
    42.9
   ],
   [
    "2025-11-10",
    42.7
   ],
   [
    "2025-11-13",
    42.4
   ],
   [
    "2025-11-16",
    42.0
   ],
   [
    "2025-11-19",
    42.2
   ],
   [
    "2025-11-22",
    42.5
   ],
   [
    "2025-11-25",
    41.8
   ],
   [
    "2025-11-28",
    41.8
   ],
   [
    "2025-12-01",
    41.6
   ],
   [
    "2025-12-04",
    42.1
   ],
   [
    "2025-12-07",
    42.1
   ],
   [
    "2025-12-10",
    41.9
   ],
   [
    "2025-12-13",
    42.2
   ],
   [
    "2025-12-16",
    42.2
   ],
   [
    "2025-12-19",
    41.6
   ],
   [
    "2025-12-22",
    41.6
   ],
   [
    "2025-12-25",
    41.6
   ],
   [
    "2025-12-28",
    41.6
   ],
   [
    "2025-12-31",
    41.6
   ],
   [
    "2026-01-03",
    41.1
   ],
   [
    "2026-01-06",
    41.1
   ],
   [
    "2026-01-09",
    41.9
   ],
   [
    "2026-01-12",
    41.8
   ],
   [
    "2026-01-15",
    41.7
   ],
   [
    "2026-01-18",
    41.9
   ],
   [
    "2026-01-21",
    41.9
   ],
   [
    "2026-01-24",
    41.9
   ],
   [
    "2026-01-27",
    42.1
   ],
   [
    "2026-01-30",
    42.3
   ],
   [
    "2026-02-02",
    42.2
   ],
   [
    "2026-02-05",
    42.3
   ],
   [
    "2026-02-08",
    42.3
   ],
   [
    "2026-02-11",
    42.2
   ],
   [
    "2026-02-14",
    42.1
   ],
   [
    "2026-02-17",
    42.1
   ],
   [
    "2026-02-20",
    41.6
   ],
   [
    "2026-02-23",
    41.4
   ],
   [
    "2026-02-26",
    41.7
   ],
   [
    "2026-03-01",
    41.8
   ],
   [
    "2026-03-04",
    42.2
   ],
   [
    "2026-03-07",
    42.3
   ],
   [
    "2026-03-10",
    42.3
   ],
   [
    "2026-03-13",
    42.3
   ],
   [
    "2026-03-16",
    41.9
   ],
   [
    "2026-03-19",
    41.8
   ],
   [
    "2026-03-22",
    41.7
   ],
   [
    "2026-03-25",
    41.7
   ],
   [
    "2026-03-28",
    41.8
   ],
   [
    "2026-03-31",
    41.4
   ],
   [
    "2026-04-03",
    41.5
   ],
   [
    "2026-04-06",
    41.5
   ],
   [
    "2026-04-09",
    41.8
   ],
   [
    "2026-04-12",
    41.8
   ],
   [
    "2026-04-15",
    41.6
   ],
   [
    "2026-04-18",
    41.7
   ],
   [
    "2026-04-21",
    41.7
   ],
   [
    "2026-04-24",
    41.8
   ],
   [
    "2026-04-27",
    41.6
   ],
   [
    "2026-04-30",
    41.8
   ],
   [
    "2026-05-03",
    41.8
   ],
   [
    "2026-05-06",
    41.8
   ],
   [
    "2026-05-09",
    41.6
   ],
   [
    "2026-05-12",
    41.4
   ],
   [
    "2026-05-15",
    41.1
   ],
   [
    "2026-05-18",
    41.2
   ],
   [
    "2026-05-21",
    41.2
   ],
   [
    "2026-05-24",
    41.2
   ],
   [
    "2026-05-27",
    41.2
   ],
   [
    "2026-05-30",
    41.2
   ],
   [
    "2026-06-02",
    41.2
   ],
   [
    "2026-06-05",
    41.7
   ],
   [
    "2026-06-08",
    41.3
   ],
   [
    "2026-06-11",
    41.4
   ],
   [
    "2026-06-14",
    41.5
   ],
   [
    "2026-06-17",
    41.5
   ],
   [
    "2026-06-20",
    41.5
   ],
   [
    "2026-06-23",
    41.8
   ],
   [
    "2026-06-26",
    41.8
   ],
   [
    "2026-06-29",
    41.7
   ],
   [
    "2026-07-02",
    41.7
   ],
   [
    "2026-07-05",
    41.4
   ],
   [
    "2026-07-08",
    41.5
   ],
   [
    "2026-07-11",
    41.7
   ],
   [
    "2026-07-14",
    41.9
   ],
   [
    "2026-07-17",
    42.0
   ],
   [
    "2026-07-20",
    42.1
   ],
   [
    "2026-07-23",
    42.2
   ],
   [
    "2026-07-26",
    41.9
   ],
   [
    "2026-07-29",
    41.9
   ],
   [
    "2026-08-01",
    41.9
   ],
   [
    "2026-08-04",
    41.8
   ],
   [
    "2026-08-07",
    41.7
   ],
   [
    "2026-08-10",
    41.7
   ],
   [
    "2026-08-13",
    41.2
   ],
   [
    "2026-08-16",
    41.3
   ],
   [
    "2026-08-19",
    41.2
   ],
   [
    "2026-08-22",
    41.2
   ],
   [
    "2026-08-25",
    41.5
   ],
   [
    "2026-08-28",
    41.0
   ],
   [
    "2026-08-31",
    40.8
   ],
   [
    "2026-09-03",
    41.0
   ],
   [
    "2026-09-06",
    40.9
   ],
   [
    "2026-09-09",
    40.5
   ],
   [
    "2026-09-12",
    41.1
   ],
   [
    "2026-09-15",
    41.1
   ],
   [
    "2026-09-18",
    41.3
   ],
   [
    "2026-09-21",
    41.1
   ],
   [
    "2026-09-24",
    41.1
   ],
   [
    "2026-09-27",
    40.9
   ],
   [
    "2026-09-30",
    41.0
   ],
   [
    "2026-10-03",
    41.3
   ],
   [
    "2026-10-06",
    41.1
   ],
   [
    "2026-10-09",
    41.2
   ],
   [
    "2026-10-12",
    41.5
   ],
   [
    "2026-10-15",
    41.7
   ],
   [
    "2026-10-18",
    41.7
   ],
   [
    "2026-10-21",
    41.9
   ],
   [
    "2026-10-24",
    42.3
   ],
   [
    "2026-10-27",
    42.4
   ],
   [
    "2026-10-30",
    42.6
   ],
   [
    "2026-11-02",
    42.8
   ],
   [
    "2026-11-03",
    42.8
   ]
  ]
 },
 "polls": [
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "Nov 1\u20132, 2026",
   "end_date": "2026-11-02",
   "sample": "1,001 LV",
   "grade": "B/C",
   "weight": 3.2,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 47.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Oct 28 \u2013 Nov 2, 2026",
   "end_date": "2026-11-02",
   "sample": "1,212 LV",
   "grade": "B-",
   "weight": 1.9,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "Oct 30 \u2013 Nov 1, 2026",
   "end_date": "2026-11-01",
   "sample": "2,090 LV",
   "grade": "\u2014",
   "weight": 2.7,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 45.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "I&I",
   "sponsor": "TIPP Insights (R)",
   "dates": "Oct 27\u201330, 2026",
   "end_date": "2026-10-30",
   "sample": "1,158 LV",
   "grade": "A-",
   "weight": 4.2,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 42.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Oct 22\u201330, 2026",
   "end_date": "2026-10-30",
   "sample": "2,000 LV",
   "grade": "\u2014",
   "weight": 1.7,
   "vals": {
    "Democrats": 53.5,
    "Republicans": 46.5
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Oct 28\u201330, 2026",
   "end_date": "2026-10-30",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 2.8,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 45.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll",
   "sponsor": "",
   "dates": "Oct 27\u201330, 2026",
   "end_date": "2026-10-30",
   "sample": "3,214 LV",
   "grade": "F",
   "weight": 0.5,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 39.0
   },
   "margin": 12.0,
   "margin_label": "Democrats +12.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "YouGov",
   "sponsor": "",
   "dates": "Oct 27\u201330, 2026",
   "end_date": "2026-10-30",
   "sample": "3,915 LV",
   "grade": "B+",
   "weight": 1.6,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 44.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Ipsos",
   "sponsor": "",
   "dates": "Oct 20\u201328, 2026",
   "end_date": "2026-10-28",
   "sample": "1,209 LV",
   "grade": "B-",
   "weight": 1.5,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Tufts University",
   "sponsor": "YouGov",
   "dates": "Oct 23\u201327, 2026",
   "end_date": "2026-10-27",
   "sample": "499 LV",
   "grade": "B/C",
   "weight": 2.4,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 40.0
   },
   "margin": 12.0,
   "margin_label": "Democrats +12.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Oct 24\u201326, 2026",
   "end_date": "2026-10-26",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 2.6,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 42.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Oct 24\u201326, 2026",
   "end_date": "2026-10-26",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 1.6,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 23\u201326, 2026",
   "end_date": "2026-10-26",
   "sample": "1,263 LV",
   "grade": "B+",
   "weight": 1.3,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Oct 22\u201326, 2026",
   "end_date": "2026-10-26",
   "sample": "1,164 LV",
   "grade": "B-",
   "weight": 1.3,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 44.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "NPR",
   "sponsor": "PBS/Marist University",
   "dates": "Oct 19\u201326, 2026",
   "end_date": "2026-10-26",
   "sample": "LV",
   "grade": "A",
   "weight": 2.6,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Oct 23\u201324, 2026",
   "end_date": "2026-10-24",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 2.9,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 43.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CBS",
   "sponsor": "YouGov",
   "dates": "Oct 21\u201323, 2026",
   "end_date": "2026-10-23",
   "sample": "1,749 LV",
   "grade": "B+",
   "weight": 1.2,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 45.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Oct 16\u201323, 2026",
   "end_date": "2026-10-23",
   "sample": "3,644 LV",
   "grade": "A/B",
   "weight": 3.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 46.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Prolific",
   "sponsor": "",
   "dates": "Oct 21\u201322, 2026",
   "end_date": "2026-10-22",
   "sample": "713 LV",
   "grade": "\u2014",
   "weight": 2.1,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 42.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Targoz Market Research",
   "sponsor": "",
   "dates": "Oct 20\u201322, 2026",
   "end_date": "2026-10-22",
   "sample": "1,118 LV",
   "grade": "C",
   "weight": 2.4,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 46.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs",
   "sponsor": "",
   "dates": "Oct 15\u201321, 2026",
   "end_date": "2026-10-21",
   "sample": "1,016 LV",
   "grade": "B/C",
   "weight": 1.8,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Oct 15\u201321, 2026",
   "end_date": "2026-10-21",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 1.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 47.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Rainey Center",
   "sponsor": "",
   "dates": "Oct 14\u201320, 2026",
   "end_date": "2026-10-20",
   "sample": "1,279 RV",
   "grade": "\u2014",
   "weight": 1.8,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Oct 13\u201320, 2026",
   "end_date": "2026-10-20",
   "sample": "2,050 RV",
   "grade": "B-",
   "weight": 1.1,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "Oct 16\u201320, 2026",
   "end_date": "2026-10-20",
   "sample": "1,594 LV",
   "grade": "\u2014",
   "weight": 1.5,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 44.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Pennsylvania State University",
   "sponsor": "YouGov",
   "dates": "Oct 14\u201320, 2026",
   "end_date": "2026-10-20",
   "sample": "724 LV",
   "grade": "\u2014",
   "weight": 1.9,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 19\u201320, 2026",
   "end_date": "2026-10-20",
   "sample": "1,312 LV",
   "grade": "B+",
   "weight": 1.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Oct 16\u201319, 2026",
   "end_date": "2026-10-19",
   "sample": "1,279 RV",
   "grade": "B-",
   "weight": 1.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 35.0
   },
   "margin": 12.0,
   "margin_label": "Democrats +12.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The New York Times",
   "sponsor": "Siena University",
   "dates": "Oct 12\u201319, 2026",
   "end_date": "2026-10-19",
   "sample": "3,494 LV",
   "grade": "A+",
   "weight": 2.9,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 41.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Oct 15\u201318, 2026",
   "end_date": "2026-10-18",
   "sample": "1,206 RV",
   "grade": "C+",
   "weight": 1.6,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 39.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Oct 14\u201318, 2026",
   "end_date": "2026-10-18",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 1.5,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 45.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Oct 13\u201314, 2026",
   "end_date": "2026-10-14",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 1.6,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Oct 4\u201314, 2026",
   "end_date": "2026-10-14",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.7,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 47.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Washington Post",
   "sponsor": "ABC News/Ipsos",
   "dates": "Oct 9\u201313, 2026",
   "end_date": "2026-10-13",
   "sample": "2,032 LV",
   "grade": "B-",
   "weight": 0.8,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 10\u201312, 2026",
   "end_date": "2026-10-12",
   "sample": "1,403 RV",
   "grade": "B+",
   "weight": 0.7,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 39.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Beacon Research (D)",
   "sponsor": "Shaw & Co. Research (R)",
   "dates": "Oct 9\u201312, 2026",
   "end_date": "2026-10-12",
   "sample": "1,202 RV",
   "grade": "A",
   "weight": 1.8,
   "vals": {
    "Democrats": 54.0,
    "Republicans": 45.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "SurveyMonkey",
   "sponsor": "",
   "dates": "Sep 28 \u2013 Oct 12, 2026",
   "end_date": "2026-10-12",
   "sample": "17,649 RV",
   "grade": "C",
   "weight": 1.6,
   "vals": {
    "Democrats": 55.0,
    "Republicans": 45.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Oct 5\u201311, 2026",
   "end_date": "2026-10-11",
   "sample": "17,654 LV",
   "grade": "B-",
   "weight": 0.7,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Oct 7\u201310, 2026",
   "end_date": "2026-10-10",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 1.4,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 42.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "TrueDot",
   "sponsor": "",
   "dates": "Oct 5\u20139, 2026",
   "end_date": "2026-10-09",
   "sample": "974 LV",
   "grade": "\u2014",
   "weight": 1.3,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Sep 30 \u2013 Oct 5, 2026",
   "end_date": "2026-10-05",
   "sample": "3,526 RV",
   "grade": "B-",
   "weight": 0.5,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 37.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "Oct 2\u20135, 2026",
   "end_date": "2026-10-05",
   "sample": "2,201 LV",
   "grade": "\u2014",
   "weight": 0.7,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 2\u20135, 2026",
   "end_date": "2026-10-05",
   "sample": "1,173 LV",
   "grade": "B+",
   "weight": 0.4,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 40.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "University of Massachusetts Lowell",
   "sponsor": "YouGov",
   "dates": "Oct 2\u20134, 2026",
   "end_date": "2026-10-04",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 1.5,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 43.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Sep 28 \u2013 Oct 4, 2026",
   "end_date": "2026-10-04",
   "sample": "17,659 LV",
   "grade": "B-",
   "weight": 0.5,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Pew Research Center",
   "sponsor": "",
   "dates": "Sep 28 \u2013 Oct 4, 2026",
   "end_date": "2026-10-04",
   "sample": "3,917 RV",
   "grade": "B/C",
   "weight": 1.3,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 36.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Oct 1\u20132, 2026",
   "end_date": "2026-10-02",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 1.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 43.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Sep 22 \u2013 Oct 2, 2026",
   "end_date": "2026-10-02",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.4,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CBS News",
   "sponsor": "YouGov",
   "dates": "Sep 30 \u2013 Oct 2, 2026",
   "end_date": "2026-10-02",
   "sample": "1,572 LV",
   "grade": "B+",
   "weight": 0.4,
   "vals": {
    "Democrats": 54.0,
    "Republicans": 45.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "I&I",
   "sponsor": "TIPP Insights (R)",
   "dates": "Sep 29 \u2013 Oct 1, 2026",
   "end_date": "2026-10-01",
   "sample": "1,328 RV",
   "grade": "A-",
   "weight": 1.1,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Centerline Research & Strategy",
   "sponsor": "",
   "dates": "Sep 26 \u2013 Oct 1, 2026",
   "end_date": "2026-10-01",
   "sample": "930 LV",
   "grade": "\u2014",
   "weight": 0.8,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 42.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Sep 24\u201330, 2026",
   "end_date": "2026-09-30",
   "sample": "1,794 LV",
   "grade": "B",
   "weight": 0.6,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 44.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Sep 26\u201328, 2026",
   "end_date": "2026-09-28",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.4,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 49.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AlphaROC",
   "sponsor": "",
   "dates": "Sep 25\u201328, 2026",
   "end_date": "2026-09-28",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.7,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 37.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 25\u201328, 2026",
   "end_date": "2026-09-28",
   "sample": "1,003 LV",
   "grade": "B+",
   "weight": 0.3,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 38.0
   },
   "margin": 15.0,
   "margin_label": "Democrats +15.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Sep 21\u201327, 2026",
   "end_date": "2026-09-27",
   "sample": "18,786 LV",
   "grade": "B-",
   "weight": 0.3,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Sep 24\u201327, 2026",
   "end_date": "2026-09-27",
   "sample": "1,032 RV",
   "grade": "A-",
   "weight": 0.8,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 39.0
   },
   "margin": 12.0,
   "margin_label": "Democrats +12.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Angus Reid Global",
   "sponsor": "",
   "dates": "Sep 19\u201325, 2026",
   "end_date": "2026-09-25",
   "sample": "1,041 RV",
   "grade": "A/B",
   "weight": 0.9,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 35.0
   },
   "margin": 14.0,
   "margin_label": "Democrats +14.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "GBAO (D)",
   "sponsor": "",
   "dates": "Sep 17\u201324, 2026",
   "end_date": "2026-09-24",
   "sample": "2,000 RV",
   "grade": "B/C",
   "weight": 0.8,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Change Research (D)",
   "sponsor": "",
   "dates": "Sep 15\u201324, 2026",
   "end_date": "2026-09-24",
   "sample": "2,021 RV",
   "grade": "B-",
   "weight": 0.8,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 39.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Sep 17\u201323, 2026",
   "end_date": "2026-09-23",
   "sample": "1,819 LV",
   "grade": "B",
   "weight": 0.4,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 43.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Sep 21\u201322, 2026",
   "end_date": "2026-09-22",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.5,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 42.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Sep 16\u201322, 2026",
   "end_date": "2026-09-22",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.3,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Sep 16\u201322, 2026",
   "end_date": "2026-09-22",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.4,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 43.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 18\u201321, 2026",
   "end_date": "2026-09-21",
   "sample": "975 LV",
   "grade": "B+",
   "weight": 0.2,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 38.0
   },
   "margin": 14.0,
   "margin_label": "Democrats +14.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Sep 17\u201321, 2026",
   "end_date": "2026-09-21",
   "sample": "1,002 LV",
   "grade": "A/B",
   "weight": 0.5,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Sep 16\u201321, 2026",
   "end_date": "2026-09-21",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.3,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 42.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Impact Research (D)",
   "sponsor": "National Research Inc. (R)",
   "dates": "Sep 16\u201321, 2026",
   "end_date": "2026-09-21",
   "sample": "1,500 RV",
   "grade": "B/C",
   "weight": 0.7,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 42.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "KFF",
   "sponsor": "",
   "dates": "Sep 16\u201321, 2026",
   "end_date": "2026-09-21",
   "sample": "1,013 RV",
   "grade": "\u2014",
   "weight": 0.5,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 35.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Sep 11\u201321, 2026",
   "end_date": "2026-09-21",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.2,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 47.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Sep 17\u201320, 2026",
   "end_date": "2026-09-20",
   "sample": "979 RV",
   "grade": "B-",
   "weight": 0.2,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 35.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Sep 18\u201320, 2026",
   "end_date": "2026-09-20",
   "sample": "18,336 LV",
   "grade": "B-",
   "weight": 0.2,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Sep 15\u201318, 2026",
   "end_date": "2026-09-18",
   "sample": "1,389 LV",
   "grade": "\u2014",
   "weight": 0.5,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 42.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "Sep 15\u201317, 2026",
   "end_date": "2026-09-17",
   "sample": "1,007 LV",
   "grade": "B/C",
   "weight": 0.3,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Sep 16\u201317, 2026",
   "end_date": "2026-09-17",
   "sample": "867 RV",
   "grade": "C+",
   "weight": 0.3,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 41.0
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   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Winston Group (R)",
   "sponsor": "",
   "dates": "Sep 12\u201316, 2026",
   "end_date": "2026-09-16",
   "sample": "1,000 RV",
   "grade": "A/B",
   "weight": 0.6,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 42.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Sep 11\u201316, 2026",
   "end_date": "2026-09-16",
   "sample": "1,046 LV",
   "grade": "B/C",
   "weight": 0.3,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Sep 10\u201316, 2026",
   "end_date": "2026-09-16",
   "sample": "1,746 LV",
   "grade": "B",
   "weight": 0.3,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 41.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marist University",
   "sponsor": "",
   "dates": "Sep 14\u201315, 2026",
   "end_date": "2026-09-15",
   "sample": "1,280 RV",
   "grade": "A",
   "weight": 0.5,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 41.0
   },
   "margin": 12.0,
   "margin_label": "Democrats +12.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Sep 13\u201315, 2026",
   "end_date": "2026-09-15",
   "sample": "2,633 LV",
   "grade": "F",
   "weight": 0.1,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 37.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "RealClear Opinion Research",
   "dates": "Sep 12\u201315, 2026",
   "end_date": "2026-09-15",
   "sample": "1,500 RV",
   "grade": "A-",
   "weight": 0.4,
   "vals": {
    "Democrats": 37.0,
    "Republicans": 29.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Sep 11\u201315, 2026",
   "end_date": "2026-09-15",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.3,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Sep 10\u201315, 2026",
   "end_date": "2026-09-15",
   "sample": "2,102 RV",
   "grade": "B-",
   "weight": 0.2,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Sep 8\u201315, 2026",
   "end_date": "2026-09-15",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.4,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Sep 11\u201314, 2026",
   "end_date": "2026-09-14",
   "sample": "896 RV",
   "grade": "B-",
   "weight": 0.1,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 37.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Beacon Research (D)",
   "sponsor": "Shaw & Co. Research (R)",
   "dates": "Sep 11\u201314, 2026",
   "end_date": "2026-09-14",
   "sample": "1,211 RV",
   "grade": "A",
   "weight": 0.5,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 44.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 11\u201314, 2026",
   "end_date": "2026-09-14",
   "sample": "1,051 LV",
   "grade": "B+",
   "weight": 0.1,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 39.0
   },
   "margin": 12.0,
   "margin_label": "Democrats +12.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Rainey Center",
   "sponsor": "",
   "dates": "Sep 10\u201314, 2026",
   "end_date": "2026-09-14",
   "sample": "1,004 RV",
   "grade": "\u2014",
   "weight": 0.3,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Sep 7\u201313, 2026",
   "end_date": "2026-09-13",
   "sample": "LV",
   "grade": "B-",
   "weight": 0.1,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 43.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "New York Times",
   "sponsor": "Siena College",
   "dates": "Sep 8\u201313, 2026",
   "end_date": "2026-09-13",
   "sample": "1,503 LV",
   "grade": "A+",
   "weight": 0.5,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CBS News",
   "sponsor": "YouGov",
   "dates": "Sep 8\u201311, 2026",
   "end_date": "2026-09-11",
   "sample": "1,750 LV",
   "grade": "B+",
   "weight": 0.1,
   "vals": {
    "Democrats": 54.0,
    "Republicans": 46.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Aug 31 \u2013 Sep 10, 2026",
   "end_date": "2026-09-10",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Catawba College",
   "sponsor": "YouGov",
   "dates": "Sep 4\u20139, 2026",
   "end_date": "2026-09-09",
   "sample": "779 LV",
   "grade": "\u2014",
   "weight": 0.3,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 38.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Sep 3\u20139, 2026",
   "end_date": "2026-09-09",
   "sample": "1,905 LV",
   "grade": "B",
   "weight": 0.2,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marquette University Law School",
   "sponsor": "",
   "dates": "Sep 2\u20139, 2026",
   "end_date": "2026-09-09",
   "sample": "581 LV",
   "grade": "A/B",
   "weight": 0.3,
   "vals": {
    "Democrats": 54.0,
    "Republicans": 41.0
   },
   "margin": 13.0,
   "margin_label": "Democrats +13.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 4\u20138, 2026",
   "end_date": "2026-09-08",
   "sample": "1,015 LV",
   "grade": "B+",
   "weight": 0.1,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 38.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Public Religion Research Institute",
   "sponsor": "",
   "dates": "Aug 20 \u2013 Sep 7, 2026",
   "end_date": "2026-09-07",
   "sample": "RV",
   "grade": "A/B",
   "weight": 0.3,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 36.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Sep 3\u20136, 2026",
   "end_date": "2026-09-06",
   "sample": "970 RV",
   "grade": "A-",
   "weight": 0.3,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 38.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Sep 4\u20136, 2026",
   "end_date": "2026-09-06",
   "sample": "2,203 RV",
   "grade": "B-",
   "weight": 0.1,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Sep 1\u20132, 2026",
   "end_date": "2026-09-02",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.2,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 42.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "Aug 28 \u2013 Sep 2, 2026",
   "end_date": "2026-09-02",
   "sample": "1,837 LV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 45.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Aug 28\u201331, 2026",
   "end_date": "2026-08-31",
   "sample": "924 RV",
   "grade": "B-",
   "weight": 0.1,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 38.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Aug 28\u201330, 2026",
   "end_date": "2026-08-30",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 51.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Aug 23\u201330, 2026",
   "end_date": "2026-08-30",
   "sample": "2,231 LV",
   "grade": "B",
   "weight": 0.1,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 36.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "UMass Amherst",
   "sponsor": "YouGov",
   "dates": "Aug 21\u201326, 2026",
   "end_date": "2026-08-26",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 34.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Aug 10\u201324, 2026",
   "end_date": "2026-08-24",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Aug 14\u201324, 2026",
   "end_date": "2026-08-24",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.1,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 43.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Aug 16\u201317, 2026",
   "end_date": "2026-08-17",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.1,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 14\u201317, 2026",
   "end_date": "2026-08-17",
   "sample": "1,449 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 39.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Aug 14\u201317, 2026",
   "end_date": "2026-08-17",
   "sample": "876 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 36.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Bullfinch Group",
   "sponsor": "",
   "dates": "Aug 14\u201317, 2026",
   "end_date": "2026-08-17",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 37.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Aug 13\u201317, 2026",
   "end_date": "2026-08-17",
   "sample": "1,002 LV",
   "grade": "A/B",
   "weight": 0.1,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Noble Predictive Insights",
   "sponsor": "The Center Square",
   "dates": "Aug 12\u201316, 2026",
   "end_date": "2026-08-16",
   "sample": "2,533 RV",
   "grade": "B/C",
   "weight": 0.1,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Aug 10\u201316, 2026",
   "end_date": "2026-08-16",
   "sample": "29,719 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Angus Reid Global",
   "sponsor": "",
   "dates": "Aug 8\u201311, 2026",
   "end_date": "2026-08-11",
   "sample": "1,525 A",
   "grade": "A/B",
   "weight": 0.1,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 36.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Wave Polling",
   "sponsor": "Verasight",
   "dates": "Aug 7\u201311, 2026",
   "end_date": "2026-08-11",
   "sample": "1,591 RV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 40.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "Aug 7\u201311, 2026",
   "end_date": "2026-08-11",
   "sample": "1,857 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 45.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AlphaROC",
   "sponsor": "",
   "dates": "Aug 8\u201310, 2026",
   "end_date": "2026-08-10",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 37.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 7\u201310, 2026",
   "end_date": "2026-08-10",
   "sample": "1,419 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 40.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Aug 3\u20139, 2026",
   "end_date": "2026-08-09",
   "sample": "29,719 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Jul 29 \u2013 Aug 8, 2026",
   "end_date": "2026-08-08",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.5,
    "Republicans": 47.5
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Aug 6\u20137, 2026",
   "end_date": "2026-08-07",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.1,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "Aug 4\u20135, 2026",
   "end_date": "2026-08-05",
   "sample": "921 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 40.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Aug 3\u20134, 2026",
   "end_date": "2026-08-04",
   "sample": "1,048 LV",
   "grade": "\u2014",
   "weight": 0.1,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 43.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jul 31 \u2013 Aug 3, 2026",
   "end_date": "2026-08-03",
   "sample": "1,472 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
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   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Jul 29 \u2013 Aug 3, 2026",
   "end_date": "2026-08-03",
   "sample": "3,542 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 37.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jul 27 \u2013 Aug 2, 2026",
   "end_date": "2026-08-02",
   "sample": "24,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Jul 27\u201329, 2026",
   "end_date": "2026-07-29",
   "sample": "2,617 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 37.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marquette University Law School",
   "sponsor": "",
   "dates": "Jul 22\u201329, 2026",
   "end_date": "2026-07-29",
   "sample": "572 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 45.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Jul 23\u201327, 2026",
   "end_date": "2026-07-27",
   "sample": "914 RV",
   "grade": "C+",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 39.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Jul 23\u201327, 2026",
   "end_date": "2026-07-27",
   "sample": "963 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 41.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Jul 24\u201326, 2026",
   "end_date": "2026-07-26",
   "sample": "1,003 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 38.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jul 20\u201326, 2026",
   "end_date": "2026-07-26",
   "sample": "24,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Jul 20\u201326, 2026",
   "end_date": "2026-07-26",
   "sample": "3,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 40.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CBS News",
   "sponsor": "YouGov",
   "dates": "Jul 22\u201324, 2026",
   "end_date": "2026-07-24",
   "sample": "1,474 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 40.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Jul 17\u201322, 2026",
   "end_date": "2026-07-22",
   "sample": "1,000 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 42.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Jul 15\u201321, 2026",
   "end_date": "2026-07-21",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "",
   "dates": "Jul 14\u201320, 2026",
   "end_date": "2026-07-20",
   "sample": "2,064 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 36.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jul 17\u201320, 2026",
   "end_date": "2026-07-20",
   "sample": "1,432 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Beacon Research (D)",
   "sponsor": "Shaw & Co. Research (R)",
   "dates": "Jul 17\u201320, 2026",
   "end_date": "2026-07-20",
   "sample": "1,003 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 46.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Jul 19\u201320, 2026",
   "end_date": "2026-07-20",
   "sample": "1,100 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 42.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jul 17\u201319, 2026",
   "end_date": "2026-07-19",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Jul 14\u201317, 2026",
   "end_date": "2026-07-17",
   "sample": "1,364 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AlphaROC",
   "sponsor": "",
   "dates": "Jul 13\u201314, 2026",
   "end_date": "2026-07-14",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 37.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Jul 6\u201314, 2026",
   "end_date": "2026-07-14",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 45.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jul 10\u201313, 2026",
   "end_date": "2026-07-13",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jul 10\u201313, 2026",
   "end_date": "2026-07-13",
   "sample": "1,447 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Jul 9\u201313, 2026",
   "end_date": "2026-07-13",
   "sample": "1,004 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Washington Post",
   "sponsor": "Ipsos",
   "dates": "Jul 8\u201313, 2026",
   "end_date": "2026-07-13",
   "sample": "1,483 LV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 45.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Jul 11\u201312, 2026",
   "end_date": "2026-07-12",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 49.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Jul 8\u201312, 2026",
   "end_date": "2026-07-12",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 45.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Pew Research Center",
   "sponsor": "",
   "dates": "Jul 6\u201312, 2026",
   "end_date": "2026-07-12",
   "sample": "2,779 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 37.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "HarrisX",
   "sponsor": "2WAY",
   "dates": "Jul 9\u201310, 2026",
   "end_date": "2026-07-10",
   "sample": "787 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 49.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jul 3\u20137, 2026",
   "end_date": "2026-07-07",
   "sample": "1,140 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Manhattan Institute",
   "sponsor": "",
   "dates": "Jul 1\u20136, 2026",
   "end_date": "2026-07-06",
   "sample": "1,121 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jun 29 \u2013 Jul 5, 2026",
   "end_date": "2026-07-05",
   "sample": "24,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Zogby Analytics",
   "sponsor": "",
   "dates": "Jul 1\u20134, 2026",
   "end_date": "2026-07-04",
   "sample": "1,003 LV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 36.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Talker Research",
   "sponsor": "",
   "dates": "Jun 25 \u2013 Jul 2, 2026",
   "end_date": "2026-07-02",
   "sample": "2,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 39.0
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   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jun 30 \u2013 Jul 1, 2026",
   "end_date": "2026-07-01",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Jun 24 \u2013 Jul 1, 2026",
   "end_date": "2026-07-01",
   "sample": "2,224 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "Jun 26\u201330, 2026",
   "end_date": "2026-06-30",
   "sample": "1,795 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jun 26\u201329, 2026",
   "end_date": "2026-06-29",
   "sample": "1,426 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AlphaROC",
   "sponsor": "",
   "dates": "Jun 27\u201328, 2026",
   "end_date": "2026-06-28",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 37.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Jun 26\u201328, 2026",
   "end_date": "2026-06-28",
   "sample": "2,604 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 39.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jun 22\u201328, 2026",
   "end_date": "2026-06-28",
   "sample": "24,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "ActiVote",
   "sponsor": "",
   "dates": "Jun 6\u201328, 2026",
   "end_date": "2026-06-28",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 47.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "Cato Institute",
   "dates": "Jun 25\u201326, 2026",
   "end_date": "2026-06-26",
   "sample": "1,797 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 39.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Jun 17\u201323, 2026",
   "end_date": "2026-06-23",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Jun 18\u201322, 2026",
   "end_date": "2026-06-22",
   "sample": "1,008 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 45.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Jun 18\u201322, 2026",
   "end_date": "2026-06-22",
   "sample": "1,165 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Jun 17\u201322, 2026",
   "end_date": "2026-06-22",
   "sample": "1,896 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Jun 18\u201322, 2026",
   "end_date": "2026-06-22",
   "sample": "978 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 36.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jun 19\u201322, 2026",
   "end_date": "2026-06-22",
   "sample": "RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jun 19\u201322, 2026",
   "end_date": "2026-06-22",
   "sample": "1,517 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Data",
   "sponsor": "",
   "dates": "May 15 \u2013 Jun 21, 2026",
   "end_date": "2026-06-21",
   "sample": "5,809 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 44.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jun 16\u201317, 2026",
   "end_date": "2026-06-17",
   "sample": "1,000 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Bullfinch Group",
   "sponsor": "",
   "dates": "Jun 12\u201316, 2026",
   "end_date": "2026-06-16",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 36.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jun 13\u201315, 2026",
   "end_date": "2026-06-15",
   "sample": "1,402 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Jun 11\u201314, 2026",
   "end_date": "2026-06-14",
   "sample": "1,012 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jun 8\u201314, 2026",
   "end_date": "2026-06-14",
   "sample": "24,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jun 5\u20138, 2026",
   "end_date": "2026-06-08",
   "sample": "1,393 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Jun 3\u20138, 2026",
   "end_date": "2026-06-08",
   "sample": "3,578 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 37.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Jun 7\u20138, 2026",
   "end_date": "2026-06-08",
   "sample": "1,200 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 40.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jun 1\u20137, 2026",
   "end_date": "2026-06-07",
   "sample": "24,849 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "May 29 \u2013 Jun 7, 2026",
   "end_date": "2026-06-07",
   "sample": "2,400 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "HarrisX",
   "sponsor": "Forbes",
   "dates": "May 20 \u2013 Jun 7, 2026",
   "end_date": "2026-06-07",
   "sample": "1,565 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 45.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Research Co.",
   "sponsor": "",
   "dates": "Jun 4\u20136, 2026",
   "end_date": "2026-06-06",
   "sample": "1,001 A",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 38.0,
    "Republicans": 33.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "May 28 \u2013 Jun 5, 2026",
   "end_date": "2026-06-05",
   "sample": "1,045 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Jun 1\u20134, 2026",
   "end_date": "2026-06-04",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 45.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Noble Predictive Insights",
   "sponsor": "The Center Square",
   "dates": "Jun 1\u20134, 2026",
   "end_date": "2026-06-04",
   "sample": "2,585 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jun 2\u20133, 2026",
   "end_date": "2026-06-03",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "May 29 \u2013 Jun 3, 2026",
   "end_date": "2026-06-03",
   "sample": "3,008 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 47.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jun 1\u20132, 2026",
   "end_date": "2026-06-02",
   "sample": "1,050 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Winston Group (R)",
   "sponsor": "",
   "dates": "May 30 \u2013 Jun 2, 2026",
   "end_date": "2026-06-02",
   "sample": "1,000 RV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 41.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Bullfinch Group",
   "sponsor": "",
   "dates": "May 29 \u2013 Jun 2, 2026",
   "end_date": "2026-06-02",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 36.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "May 29 \u2013 Jun 1, 2026",
   "end_date": "2026-06-01",
   "sample": "1,537 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 43.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "May 29 \u2013 Jun 1, 2026",
   "end_date": "2026-06-01",
   "sample": "1,452 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "May 29\u201331, 2026",
   "end_date": "2026-05-31",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "May 25\u201331, 2026",
   "end_date": "2026-05-31",
   "sample": "RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "I&I",
   "sponsor": "TIPP Insights (R)",
   "dates": "May 26\u201328, 2026",
   "end_date": "2026-05-28",
   "sample": "1,332 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "May 24\u201327, 2026",
   "end_date": "2026-05-27",
   "sample": "2,784 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 36.0
   },
   "margin": 13.0,
   "margin_label": "Democrats +13.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "May 22\u201326, 2026",
   "end_date": "2026-05-26",
   "sample": "1,393 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marquette University Law School",
   "sponsor": "",
   "dates": "May 20\u201326, 2026",
   "end_date": "2026-05-26",
   "sample": "576 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 48.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Pennsylvania State University",
   "sponsor": "YouGov",
   "dates": "May 19\u201326, 2026",
   "end_date": "2026-05-26",
   "sample": "862 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 37.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "May 24\u201325, 2026",
   "end_date": "2026-05-25",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "May 21\u201322, 2026",
   "end_date": "2026-05-22",
   "sample": "LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "May 13\u201320, 2026",
   "end_date": "2026-05-20",
   "sample": "2,161 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morris Predictive Insights",
   "sponsor": "Verasight",
   "dates": "May 18\u201320, 2026",
   "end_date": "2026-05-20",
   "sample": "2,000 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 41.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "May 18\u201319, 2026",
   "end_date": "2026-05-19",
   "sample": "1,413 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Rainey Center",
   "sponsor": "",
   "dates": "May 17\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,010 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Data",
   "sponsor": "",
   "dates": "May 15\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,149 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "May 15\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "984 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 39.0,
    "Republicans": 38.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "May 15\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,375 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "May 14\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,008 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "May 14\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,106 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 39.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "May 12\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Impact Research (D)",
   "sponsor": "National Research Inc. (R)",
   "dates": "May 7\u201318, 2026",
   "end_date": "2026-05-18",
   "sample": "1,500 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 40.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "May 11\u201317, 2026",
   "end_date": "2026-05-17",
   "sample": "28,525 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CBS News",
   "sponsor": "YouGov",
   "dates": "May 13\u201315, 2026",
   "end_date": "2026-05-15",
   "sample": "1,397 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "New York Times",
   "sponsor": "Siena College",
   "dates": "May 11\u201315, 2026",
   "end_date": "2026-05-15",
   "sample": "1,507 RV",
   "grade": "A+",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 39.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "May 9\u201311, 2026",
   "end_date": "2026-05-11",
   "sample": "1,406 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "May 8\u201311, 2026",
   "end_date": "2026-05-11",
   "sample": "993 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 35.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "May 4\u20137, 2026",
   "end_date": "2026-05-07",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 41.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AtlasIntel",
   "sponsor": "",
   "dates": "May 4\u20137, 2026",
   "end_date": "2026-05-07",
   "sample": "2,069 A",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 55.0,
    "Republicans": 40.0
   },
   "margin": 15.0,
   "margin_label": "Democrats +15.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "May 5\u20136, 2026",
   "end_date": "2026-05-06",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "May 4\u20136, 2026",
   "end_date": "2026-05-06",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "HarrisX",
   "sponsor": "Forbes",
   "dates": "Apr 29 \u2013 May 5, 2026",
   "end_date": "2026-05-05",
   "sample": "1,891 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "Financial Times",
   "dates": "May 1\u20135, 2026",
   "end_date": "2026-05-05",
   "sample": "3,167 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "May 1\u20134, 2026",
   "end_date": "2026-05-04",
   "sample": "1,406 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Apr 30 \u2013 May 4, 2026",
   "end_date": "2026-05-04",
   "sample": "RV",
   "grade": "C+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Apr 30 \u2013 May 3, 2026",
   "end_date": "2026-05-03",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marist University",
   "sponsor": "",
   "dates": "Apr 27\u201330, 2026",
   "end_date": "2026-04-30",
   "sample": "1,155 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 42.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Apr 25\u201328, 2026",
   "end_date": "2026-04-28",
   "sample": "2,874 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 37.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Washington Post",
   "sponsor": "ABC News/Ipsos",
   "dates": "Apr 24\u201328, 2026",
   "end_date": "2026-04-28",
   "sample": "2,059 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Apr 24\u201327, 2026",
   "end_date": "2026-04-27",
   "sample": "1,645 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Apr 24\u201327, 2026",
   "end_date": "2026-04-27",
   "sample": "1,014 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 37.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Apr 24\u201327, 2026",
   "end_date": "2026-04-27",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Public Opinion Strategies (R)",
   "sponsor": "",
   "dates": "Apr 21\u201327, 2026",
   "end_date": "2026-04-27",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Apr 24\u201326, 2026",
   "end_date": "2026-04-26",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 40.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Apr 23\u201326, 2026",
   "end_date": "2026-04-26",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 50.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Apr 15\u201324, 2026",
   "end_date": "2026-04-24",
   "sample": "1,000 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Apr 21\u201323, 2026",
   "end_date": "2026-04-23",
   "sample": "1,452 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Apr 20\u201323, 2026",
   "end_date": "2026-04-23",
   "sample": "1,516 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 40.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Beacon Research (D)",
   "sponsor": "Shaw & Co. Research (R)",
   "dates": "Apr 17\u201320, 2026",
   "end_date": "2026-04-20",
   "sample": "1,001 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 47.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Apr 17\u201320, 2026",
   "end_date": "2026-04-20",
   "sample": "1,012 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Apr 17\u201320, 2026",
   "end_date": "2026-04-20",
   "sample": "1,549 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Apr 15\u201320, 2026",
   "end_date": "2026-04-20",
   "sample": "3,577 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 38.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "KFF",
   "sponsor": "",
   "dates": "Apr 14\u201319, 2026",
   "end_date": "2026-04-19",
   "sample": "1,107 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 34.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Apr 13\u201319, 2026",
   "end_date": "2026-04-19",
   "sample": "27,869 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "Apr 17\u201318, 2026",
   "end_date": "2026-04-18",
   "sample": "1,001 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 44.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marquette University Law School",
   "sponsor": "",
   "dates": "Apr 8\u201316, 2026",
   "end_date": "2026-04-16",
   "sample": "576 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 43.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "GBAO (D)",
   "sponsor": "Third Way (D)",
   "dates": "Apr 8\u201315, 2026",
   "end_date": "2026-04-15",
   "sample": "2,000 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 40.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Apr 8\u201315, 2026",
   "end_date": "2026-04-15",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Apr 10\u201314, 2026",
   "end_date": "2026-04-14",
   "sample": "1,386 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 43.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Survey 160",
   "sponsor": "",
   "dates": "Apr 8\u201313, 2026",
   "end_date": "2026-04-13",
   "sample": "1,539 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 37.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Apr 6\u201312, 2026",
   "end_date": "2026-04-12",
   "sample": "12,505 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Apr 6\u20139, 2026",
   "end_date": "2026-04-09",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Apr 3\u20139, 2026",
   "end_date": "2026-04-09",
   "sample": "2,880 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Apr 6\u20139, 2026",
   "end_date": "2026-04-09",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Tavern Research (D)",
   "sponsor": "",
   "dates": "Apr 6\u20139, 2026",
   "end_date": "2026-04-09",
   "sample": "502 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 43.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Apr 3\u20136, 2026",
   "end_date": "2026-04-06",
   "sample": "1,558 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 42.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Mar 30 \u2013 Apr 5, 2026",
   "end_date": "2026-04-05",
   "sample": "12,505 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Apr 3\u20134, 2026",
   "end_date": "2026-04-04",
   "sample": "2,203 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Apr 2\u20133, 2026",
   "end_date": "2026-04-03",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 43.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "UMass Lowell",
   "sponsor": "YouGov",
   "dates": "Mar 26\u201330, 2026",
   "end_date": "2026-03-30",
   "sample": "1,000 A",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 38.0,
    "Republicans": 35.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Mar 26\u201330, 2026",
   "end_date": "2026-03-30",
   "sample": "951 RV",
   "grade": "C+",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Mar 25\u201326, 2026",
   "end_date": "2026-03-26",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Mar 25\u201326, 2026",
   "end_date": "2026-03-26",
   "sample": "1,472 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Mar 22\u201324, 2026",
   "end_date": "2026-03-24",
   "sample": "3,003 RV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 37.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Mar 20\u201323, 2026",
   "end_date": "2026-03-23",
   "sample": "1,501 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Mar 19\u201323, 2026",
   "end_date": "2026-03-23",
   "sample": "1,191 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 40.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Mar 16\u201323, 2026",
   "end_date": "2026-03-23",
   "sample": "2,222 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yale Youth Poll",
   "sponsor": "",
   "dates": "Mar 9\u201323, 2026",
   "end_date": "2026-03-23",
   "sample": "3,429 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Mar 16\u201322, 2026",
   "end_date": "2026-03-22",
   "sample": "26,406 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Mar 20\u201322, 2026",
   "end_date": "2026-03-22",
   "sample": "985 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 38.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Mar 17\u201322, 2026",
   "end_date": "2026-03-22",
   "sample": "15,029 A",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Impact Research (D)",
   "sponsor": "BSP Research (D)",
   "dates": "Mar 10\u201320, 2026",
   "end_date": "2026-03-20",
   "sample": "1,000 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Mar 17\u201319, 2026",
   "end_date": "2026-03-19",
   "sample": "1,206 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 37.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "Mar 17\u201318, 2026",
   "end_date": "2026-03-18",
   "sample": "1,000 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 46.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Mar 17\u201318, 2026",
   "end_date": "2026-03-18",
   "sample": "1,064 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Mar 16\u201318, 2026",
   "end_date": "2026-03-18",
   "sample": "1,370 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 43.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Mar 16\u201317, 2026",
   "end_date": "2026-03-17",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Winston Group (R)",
   "sponsor": "",
   "dates": "Mar 15\u201317, 2026",
   "end_date": "2026-03-17",
   "sample": "1,000 RV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 40.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Mar 12\u201317, 2026",
   "end_date": "2026-03-17",
   "sample": "1,519 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 40.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Mar 13\u201316, 2026",
   "end_date": "2026-03-16",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 40.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Mar 13\u201316, 2026",
   "end_date": "2026-03-16",
   "sample": "1,427 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 41.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Mar 12\u201316, 2026",
   "end_date": "2026-03-16",
   "sample": "1,147 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Mar 12\u201316, 2026",
   "end_date": "2026-03-16",
   "sample": "1,033 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Survey 160",
   "sponsor": "",
   "dates": "Mar 9\u201315, 2026",
   "end_date": "2026-03-15",
   "sample": "1,546 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 38.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Mar 9\u201315, 2026",
   "end_date": "2026-03-15",
   "sample": "2,663 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "",
   "dates": "Mar 6\u201310, 2026",
   "end_date": "2026-03-10",
   "sample": "1,534 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Mar 4\u20139, 2026",
   "end_date": "2026-03-09",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Mar 6\u20139, 2026",
   "end_date": "2026-03-09",
   "sample": "1,403 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Mar 2\u20138, 2026",
   "end_date": "2026-03-08",
   "sample": "25,948 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Feb 26 \u2013 Mar 7, 2026",
   "end_date": "2026-03-07",
   "sample": "1,004 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Mar 2\u20135, 2026",
   "end_date": "2026-03-05",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 43.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Mar 3\u20134, 2026",
   "end_date": "2026-03-04",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 45.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marist University",
   "sponsor": "",
   "dates": "Mar 2\u20134, 2026",
   "end_date": "2026-03-04",
   "sample": "1,392 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 53.0,
    "Republicans": 44.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Mar 2\u20133, 2026",
   "end_date": "2026-03-03",
   "sample": "1,624 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Feb 27 \u2013 Mar 3, 2026",
   "end_date": "2026-03-03",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Feb 27 \u2013 Mar 2, 2026",
   "end_date": "2026-03-02",
   "sample": "1,363 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Feb 23 \u2013 Mar 1, 2026",
   "end_date": "2026-03-01",
   "sample": "RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Public Sentiment Institute",
   "sponsor": "",
   "dates": "Feb 28, 2026",
   "end_date": "2026-02-28",
   "sample": "249 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CBS News",
   "sponsor": "YouGov",
   "dates": "Feb 25\u201327, 2026",
   "end_date": "2026-02-27",
   "sample": "1,523 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "I&I",
   "sponsor": "TIPP Insights (R)",
   "dates": "Feb 24\u201327, 2026",
   "end_date": "2026-02-27",
   "sample": "1,264 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Feb 25\u201326, 2026",
   "end_date": "2026-02-26",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 50.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Feb 24\u201326, 2026",
   "end_date": "2026-02-26",
   "sample": "1,048 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Feb 18\u201323, 2026",
   "end_date": "2026-02-23",
   "sample": "3,686 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 38.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Pennsylvania State University",
   "sponsor": "YouGov",
   "dates": "Feb 18\u201323, 2026",
   "end_date": "2026-02-23",
   "sample": "824 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 37.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Feb 20\u201323, 2026",
   "end_date": "2026-02-23",
   "sample": "1,402 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Feb 19\u201323, 2026",
   "end_date": "2026-02-23",
   "sample": "1,002 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 46.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "GrayHouse (R)",
   "sponsor": "",
   "dates": "Feb 20\u201323, 2026",
   "end_date": "2026-02-23",
   "sample": "1,394 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 40.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Feb 21\u201322, 2026",
   "end_date": "2026-02-22",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 42.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Feb 20\u201322, 2026",
   "end_date": "2026-02-22",
   "sample": "2,202 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Global Strategy Group (D)",
   "sponsor": "",
   "dates": "Feb 17\u201322, 2026",
   "end_date": "2026-02-22",
   "sample": "1,051 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 40.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Feb 18\u201320, 2026",
   "end_date": "2026-02-20",
   "sample": "1,401 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 42.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Talker Research",
   "sponsor": "",
   "dates": "Feb 13\u201319, 2026",
   "end_date": "2026-02-19",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 36.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Feb 16\u201318, 2026",
   "end_date": "2026-02-18",
   "sample": "1,805 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 39.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "BGSU",
   "sponsor": "YouGov",
   "dates": "Feb 13\u201318, 2026",
   "end_date": "2026-02-18",
   "sample": "1,200 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 41.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Washington Post",
   "sponsor": "ABC News/Ipsos",
   "dates": "Feb 12\u201317, 2026",
   "end_date": "2026-02-17",
   "sample": "2,087 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 45.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Feb 13\u201316, 2026",
   "end_date": "2026-02-16",
   "sample": "1,509 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 40.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Feb 13\u201316, 2026",
   "end_date": "2026-02-16",
   "sample": "846 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 37.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Feb 13\u201316, 2026",
   "end_date": "2026-02-16",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Feb 12\u201313, 2026",
   "end_date": "2026-02-13",
   "sample": "1,515 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 39.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Feb 9\u201312, 2026",
   "end_date": "2026-02-12",
   "sample": "1,149 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Feb 9\u201312, 2026",
   "end_date": "2026-02-12",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 44.0
   },
   "margin": -3.0,
   "margin_label": "Republicans +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Focaldata",
   "sponsor": "",
   "dates": "Feb 10, 2026",
   "end_date": "2026-02-10",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 44.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Feb 4\u201310, 2026",
   "end_date": "2026-02-10",
   "sample": "3,003 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Feb 6\u20139, 2026",
   "end_date": "2026-02-09",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Feb 6\u20139, 2026",
   "end_date": "2026-02-09",
   "sample": "1,549 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 38.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Feb 2\u20138, 2026",
   "end_date": "2026-02-08",
   "sample": "29,303 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "John Zogby Strategies",
   "sponsor": "",
   "dates": "Feb 4\u20135, 2026",
   "end_date": "2026-02-05",
   "sample": "1,000 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Feb 3\u20134, 2026",
   "end_date": "2026-02-04",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 44.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jan 30 \u2013 Feb 2, 2026",
   "end_date": "2026-02-02",
   "sample": "1,501 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jan 30 \u2013 Feb 1, 2026",
   "end_date": "2026-02-01",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Public Policy Polling (D)",
   "sponsor": "",
   "dates": "Jan 29\u201330, 2026",
   "end_date": "2026-01-30",
   "sample": "652 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 41.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports",
   "sponsor": "",
   "dates": "Jan 26\u201329, 2026",
   "end_date": "2026-01-29",
   "sample": "LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://www.rasmussenreports.com/public_content/politics/mood_of_america/generic_congressional_ballot",
   "notes": "January 2026 survey; exact dates approximate."
  },
  {
   "pollster": "Harvard",
   "sponsor": "Harris Poll/HarrisX",
   "dates": "Jan 28\u201329, 2026",
   "end_date": "2026-01-29",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 44.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "I&I",
   "sponsor": "TIPP Insights (R)",
   "dates": "Jan 27\u201328, 2026",
   "end_date": "2026-01-28",
   "sample": "1,126 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jan 27\u201328, 2026",
   "end_date": "2026-01-28",
   "sample": "1,004 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 44.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marquette University Law School",
   "sponsor": "",
   "dates": "Jan 21\u201328, 2026",
   "end_date": "2026-01-28",
   "sample": "577 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 45.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Jan 21\u201327, 2026",
   "end_date": "2026-01-27",
   "sample": "1,000 RV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Jan 26\u201327, 2026",
   "end_date": "2026-01-27",
   "sample": "1,515 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Beacon Research (D)",
   "sponsor": "Shaw & Co. Research (R)",
   "dates": "Jan 23\u201326, 2026",
   "end_date": "2026-01-26",
   "sample": "1,005 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 46.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jan 23\u201326, 2026",
   "end_date": "2026-01-26",
   "sample": "1,519 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 38.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Jan 22\u201326, 2026",
   "end_date": "2026-01-26",
   "sample": "1,029 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Jan 23\u201325, 2026",
   "end_date": "2026-01-25",
   "sample": "906 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 37.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jan 23\u201325, 2026",
   "end_date": "2026-01-25",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Jan 22\u201324, 2026",
   "end_date": "2026-01-24",
   "sample": "2,909 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jan 20\u201322, 2026",
   "end_date": "2026-01-22",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Jan 15\u201322, 2026",
   "end_date": "2026-01-22",
   "sample": "1,147 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 42.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Jan 14\u201320, 2026",
   "end_date": "2026-01-20",
   "sample": "1,352 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "KFF",
   "sponsor": "",
   "dates": "Jan 13\u201320, 2026",
   "end_date": "2026-01-20",
   "sample": "1,141 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Jan 17\u201319, 2026",
   "end_date": "2026-01-19",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jan 16\u201319, 2026",
   "end_date": "2026-01-19",
   "sample": "1,717 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 39.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jan 16\u201318, 2026",
   "end_date": "2026-01-18",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "New York Times",
   "sponsor": "Siena College",
   "dates": "Jan 12\u201317, 2026",
   "end_date": "2026-01-17",
   "sample": "1,625 RV",
   "grade": "A+",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 43.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Jan 7\u201314, 2026",
   "end_date": "2026-01-14",
   "sample": "2,273 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Public Policy Polling (D)",
   "sponsor": "",
   "dates": "Jan 13\u201314, 2026",
   "end_date": "2026-01-14",
   "sample": "597 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 42.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Impact Research (D)",
   "sponsor": "National Research Inc. (R)",
   "dates": "Jan 8\u201313, 2026",
   "end_date": "2026-01-13",
   "sample": "1,500 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Jan 12\u201313, 2026",
   "end_date": "2026-01-13",
   "sample": "941 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 38.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Jan 9\u201312, 2026",
   "end_date": "2026-01-12",
   "sample": "968 RV",
   "grade": "C+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 41.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jan 9\u201312, 2026",
   "end_date": "2026-01-12",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jan 9\u201312, 2026",
   "end_date": "2026-01-12",
   "sample": "1,433 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Jan 8\u201312, 2026",
   "end_date": "2026-01-12",
   "sample": "1,148 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Winston Group (R)",
   "sponsor": "",
   "dates": "Jan 8\u201312, 2026",
   "end_date": "2026-01-12",
   "sample": "1,000 RV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Jan 5\u20138, 2026",
   "end_date": "2026-01-08",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jan 7\u20138, 2026",
   "end_date": "2026-01-08",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Jan 2\u20135, 2026",
   "end_date": "2026-01-05",
   "sample": "1,386 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 39.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Dec 29, 2025 \u2013 Jan 4, 2026",
   "end_date": "2026-01-04",
   "sample": "22,709 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 42.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Bullfinch Group",
   "sponsor": "",
   "dates": "Dec 30, 2025 \u2013 Jan 1, 2026",
   "end_date": "2026-01-01",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 33.0
   },
   "margin": 11.0,
   "margin_label": "Democrats +11.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Dec 26\u201329, 2025",
   "end_date": "2025-12-29",
   "sample": "1,417 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 38.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Dec 26\u201328, 2025",
   "end_date": "2025-12-28",
   "sample": "3,412 LV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Dec 20\u201322, 2025",
   "end_date": "2025-12-22",
   "sample": "1,424 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 40.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Dec 15\u201321, 2025",
   "end_date": "2025-12-21",
   "sample": "20,240 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Dec 12\u201319, 2025",
   "end_date": "2025-12-19",
   "sample": "1,000 RV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 45.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AtlasIntel",
   "sponsor": "",
   "dates": "Dec 15\u201319, 2025",
   "end_date": "2025-12-19",
   "sample": "2,315 A",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 54.0,
    "Republicans": 38.0
   },
   "margin": 16.0,
   "margin_label": "Democrats +16.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Dec 15\u201317, 2025",
   "end_date": "2025-12-17",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 41.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Fabrizio Ward (R)",
   "sponsor": "",
   "dates": "Dec 15\u201317, 2025",
   "end_date": "2025-12-17",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 38.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Dec 14\u201315, 2025",
   "end_date": "2025-12-15",
   "sample": "1,000 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 42.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Dec 12\u201315, 2025",
   "end_date": "2025-12-15",
   "sample": "775 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 36.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Dec 12\u201315, 2025",
   "end_date": "2025-12-15",
   "sample": "1,451 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 39.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Dec 12\u201315, 2025",
   "end_date": "2025-12-15",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 44.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Dec 11\u201315, 2025",
   "end_date": "2025-12-15",
   "sample": "1,011 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Dec 11\u201315, 2025",
   "end_date": "2025-12-15",
   "sample": "1,035 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Dec 10\u201312, 2025",
   "end_date": "2025-12-12",
   "sample": "3,004 RV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Dec 5\u201311, 2025",
   "end_date": "2025-12-11",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 48.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Dec 4\u201311, 2025",
   "end_date": "2025-12-11",
   "sample": "1,000 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "GrayHouse (R)",
   "sponsor": "",
   "dates": "Dec 6\u20138, 2025",
   "end_date": "2025-12-08",
   "sample": "2,058 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Dec 5\u20138, 2025",
   "end_date": "2025-12-08",
   "sample": "1,379 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 37.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Dec 4\u20138, 2025",
   "end_date": "2025-12-08",
   "sample": "800 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 46.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Dec 3\u20138, 2025",
   "end_date": "2025-12-08",
   "sample": "3,521 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 39.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Dec 5\u20137, 2025",
   "end_date": "2025-12-07",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Dec 5\u20137, 2025",
   "end_date": "2025-12-07",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 44.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Dec 4\u20135, 2025",
   "end_date": "2025-12-05",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Dec 1\u20134, 2025",
   "end_date": "2025-12-04",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 48.0
   },
   "margin": -4.0,
   "margin_label": "Republicans +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Nov 28 \u2013 Dec 1, 2025",
   "end_date": "2025-12-01",
   "sample": "2,008 RV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 39.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Nov 28 \u2013 Dec 1, 2025",
   "end_date": "2025-12-01",
   "sample": "1,452 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 39.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Nov 26\u201330, 2025",
   "end_date": "2025-11-30",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "GBAO (D)",
   "sponsor": "Third Way (D)",
   "dates": "Nov 19\u201326, 2025",
   "end_date": "2025-11-26",
   "sample": "2,000 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 42.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Bullfinch Group",
   "sponsor": "",
   "dates": "Nov 21\u201325, 2025",
   "end_date": "2025-11-25",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 35.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Nov 17\u201324, 2025",
   "end_date": "2025-11-24",
   "sample": "1,000 RV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 44.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Nov 21\u201324, 2025",
   "end_date": "2025-11-24",
   "sample": "1,511 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 39.0,
    "Republicans": 32.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Nov 21\u201323, 2025",
   "end_date": "2025-11-23",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Nov 18\u201323, 2025",
   "end_date": "2025-11-23",
   "sample": "2,410 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "J.L. Partners (R)",
   "sponsor": "",
   "dates": "Nov 19\u201320, 2025",
   "end_date": "2025-11-20",
   "sample": "797 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 46.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Nov 15\u201317, 2025",
   "end_date": "2025-11-17",
   "sample": "1,380 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 40.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Nov 13\u201317, 2025",
   "end_date": "2025-11-17",
   "sample": "1,051 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 45.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Nov 10\u201317, 2025",
   "end_date": "2025-11-17",
   "sample": "LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 54.0,
    "Republicans": 46.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Nov 14\u201316, 2025",
   "end_date": "2025-11-16",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "High Point University",
   "sponsor": "",
   "dates": "Nov 10\u201314, 2025",
   "end_date": "2025-11-14",
   "sample": "1,004 A",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 36.0
   },
   "margin": 10.0,
   "margin_label": "Democrats +10.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marist University",
   "sponsor": "",
   "dates": "Nov 10\u201313, 2025",
   "end_date": "2025-11-13",
   "sample": "1,291 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 55.0,
    "Republicans": 41.0
   },
   "margin": 14.0,
   "margin_label": "Democrats +14.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Marquette University Law School",
   "sponsor": "",
   "dates": "Nov 5\u201312, 2025",
   "end_date": "2025-11-12",
   "sample": "903 RV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 44.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Nov 11\u201312, 2025",
   "end_date": "2025-11-12",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 39.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Nov 7\u201312, 2025",
   "end_date": "2025-11-12",
   "sample": "938 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 40.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Nov 7\u201310, 2025",
   "end_date": "2025-11-10",
   "sample": "1,499 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 39.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Nov 7\u20139, 2025",
   "end_date": "2025-11-09",
   "sample": "2,201 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 43.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Nov 5\u20136, 2025",
   "end_date": "2025-11-06",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Nov 3\u20134, 2025",
   "end_date": "2025-11-04",
   "sample": "1,000 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 31 \u2013 Nov 3, 2025",
   "end_date": "2025-11-03",
   "sample": "1,470 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Oct 27\u201330, 2025",
   "end_date": "2025-10-30",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 46.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "CNN",
   "sponsor": "SSRS",
   "dates": "Oct 27\u201330, 2025",
   "end_date": "2025-10-30",
   "sample": "945 RV",
   "grade": "C+",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "NewsNation",
   "sponsor": "DDHQ",
   "dates": "Oct 27\u201329, 2025",
   "end_date": "2025-10-29",
   "sample": "1,159 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 47.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Oct 24\u201329, 2025",
   "end_date": "2025-10-29",
   "sample": "1,352 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 41.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Oct 26\u201328, 2025",
   "end_date": "2025-10-28",
   "sample": "2,984 RV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 41.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Washington Post",
   "sponsor": "ABC News/Ipsos",
   "dates": "Oct 24\u201328, 2025",
   "end_date": "2025-10-28",
   "sample": "2,203 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Oct 24\u201328, 2025",
   "end_date": "2025-10-28",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 42.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Oct 21\u201327, 2025",
   "end_date": "2025-10-27",
   "sample": "1,000 RV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 46.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 24\u201327, 2025",
   "end_date": "2025-10-27",
   "sample": "1,472 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 40.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Oct 23\u201327, 2025",
   "end_date": "2025-10-27",
   "sample": "1,197 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Oct 16\u201323, 2025",
   "end_date": "2025-10-23",
   "sample": "1,047 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 17\u201320, 2025",
   "end_date": "2025-10-20",
   "sample": "1,447 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quinnipiac University",
   "sponsor": "",
   "dates": "Oct 17\u201320, 2025",
   "end_date": "2025-10-20",
   "sample": "1,327 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 41.0
   },
   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "UMass Lowell",
   "sponsor": "YouGov",
   "dates": "Oct 16\u201320, 2025",
   "end_date": "2025-10-20",
   "sample": "1,000 A",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 38.0,
    "Republicans": 35.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Oct 16\u201320, 2025",
   "end_date": "2025-10-20",
   "sample": "1,010 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 46.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Oct 17\u201319, 2025",
   "end_date": "2025-10-19",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Oct 10\u201316, 2025",
   "end_date": "2025-10-16",
   "sample": "1,530 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 49.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Oct 13\u201314, 2025",
   "end_date": "2025-10-14",
   "sample": "1,000 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 43.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 10\u201313, 2025",
   "end_date": "2025-10-13",
   "sample": "1,466 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 40.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Oct 8\u201312, 2025",
   "end_date": "2025-10-12",
   "sample": "1,000 A",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 47.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "YouGov Blue (D)",
   "sponsor": "",
   "dates": "Oct 7\u201310, 2025",
   "end_date": "2025-10-10",
   "sample": "517 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Oct 7\u20138, 2025",
   "end_date": "2025-10-08",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Oct 6\u20138, 2025",
   "end_date": "2025-10-08",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 43.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Noble Predictive Insights",
   "sponsor": "The Center Square",
   "dates": "Oct 2\u20136, 2025",
   "end_date": "2025-10-06",
   "sample": "2,565 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 43.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Oct 4\u20136, 2025",
   "end_date": "2025-10-06",
   "sample": "1,486 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 39.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Oct 3\u20135, 2025",
   "end_date": "2025-10-05",
   "sample": "2,200 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 26\u201329, 2025",
   "end_date": "2025-09-29",
   "sample": "1,517 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Sep 25\u201329, 2025",
   "end_date": "2025-09-29",
   "sample": "1,126 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "New York Times",
   "sponsor": "Siena College",
   "dates": "Sep 22\u201327, 2025",
   "end_date": "2025-09-27",
   "sample": "1,313 RV",
   "grade": "A+",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 45.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Sep 22\u201324, 2025",
   "end_date": "2025-09-24",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 46.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 19\u201322, 2025",
   "end_date": "2025-09-22",
   "sample": "1,392 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Sep 18\u201322, 2025",
   "end_date": "2025-09-22",
   "sample": "1,071 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Sep 17\u201322, 2025",
   "end_date": "2025-09-22",
   "sample": "1,000 RV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 41.0,
    "Republicans": 47.0
   },
   "margin": -6.0,
   "margin_label": "Republicans +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Sep 15\u201319, 2025",
   "end_date": "2025-09-19",
   "sample": "1,268 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "AtlasIntel",
   "sponsor": "",
   "dates": "Sep 12\u201316, 2025",
   "end_date": "2025-09-16",
   "sample": "1,066 A",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 52.0,
    "Republicans": 44.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Normington Petts (D)",
   "sponsor": "Third Way (D)",
   "dates": "Sep 11\u201316, 2025",
   "end_date": "2025-09-16",
   "sample": "800",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 49.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 12\u201315, 2025",
   "end_date": "2025-09-15",
   "sample": "1,418 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 41.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "National Association of Independent Pollsters",
   "sponsor": "",
   "dates": "Sep 6\u201313, 2025",
   "end_date": "2025-09-13",
   "sample": "2,071 LV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "i360",
   "sponsor": "",
   "dates": "Sep 10\u201312, 2025",
   "end_date": "2025-09-12",
   "sample": "577 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 35.0,
    "Republicans": 32.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Sep 4\u201311, 2025",
   "end_date": "2025-09-11",
   "sample": "1,001 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 44.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Public Religion Research Institute",
   "sponsor": "",
   "dates": "Aug 15 \u2013 Sep 8, 2025",
   "end_date": "2025-09-08",
   "sample": "5,543 A",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 33.0,
    "Republicans": 30.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Sep 5\u20138, 2025",
   "end_date": "2025-09-08",
   "sample": "1,482 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Sep 2\u20133, 2025",
   "end_date": "2025-09-03",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Aug 29 \u2013 Sep 2, 2025",
   "end_date": "2025-09-02",
   "sample": "1,136 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 40.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 29 \u2013 Sep 2, 2025",
   "end_date": "2025-09-02",
   "sample": "1,548 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 39.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Survey 160",
   "sponsor": "",
   "dates": "Aug 26 \u2013 Sep 1, 2025",
   "end_date": "2025-09-01",
   "sample": "RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 39.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Aug 29\u201331, 2025",
   "end_date": "2025-08-31",
   "sample": "2,202 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Aug 25\u201326, 2025",
   "end_date": "2025-08-26",
   "sample": "1,000 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 43.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Aug 21\u201326, 2025",
   "end_date": "2025-08-26",
   "sample": "1,000 RV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 47.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 22\u201325, 2025",
   "end_date": "2025-08-25",
   "sample": "1,374 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 41.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Reuters",
   "sponsor": "Ipsos",
   "dates": "Aug 22\u201324, 2025",
   "end_date": "2025-08-24",
   "sample": "1,022 A",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 38.0,
    "Republicans": 34.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Aug 18\u201321, 2025",
   "end_date": "2025-08-21",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 44.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Aug 18\u201321, 2025",
   "end_date": "2025-08-21",
   "sample": "1,500 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 41.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Argument",
   "sponsor": "Verasight",
   "dates": "Aug 18\u201321, 2025",
   "end_date": "2025-08-21",
   "sample": "1,562 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 49.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "SoCal Strategies (R)",
   "sponsor": "",
   "dates": "Aug 19, 2025",
   "end_date": "2025-08-19",
   "sample": "700 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 37.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Aug 14\u201318, 2025",
   "end_date": "2025-08-18",
   "sample": "1,057 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 15\u201318, 2025",
   "end_date": "2025-08-18",
   "sample": "1,404 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 39.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Aug 11\u201313, 2025",
   "end_date": "2025-08-13",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 9\u201311, 2025",
   "end_date": "2025-08-11",
   "sample": "1,473 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 40.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "The Economist",
   "sponsor": "YouGov",
   "dates": "Aug 1\u20134, 2025",
   "end_date": "2025-08-04",
   "sample": "1,528 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 38.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Jul 29 \u2013 Aug 3, 2025",
   "end_date": "2025-08-03",
   "sample": "1,000 A",
   "grade": "B+",
   "weight": 0.0,
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   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "GrayHouse (R)",
   "sponsor": "",
   "dates": "Jul 27\u201329, 2025",
   "end_date": "2025-07-29",
   "sample": "2,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
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    "Democrats": 47.0,
    "Republicans": 44.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Yahoo News",
   "sponsor": "YouGov",
   "dates": "Jul 24\u201328, 2025",
   "end_date": "2025-07-28",
   "sample": "1,167 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 39.0
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   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Jul 21\u201324, 2025",
   "end_date": "2025-07-24",
   "sample": "1,633 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 44.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Jul 21\u201322, 2025",
   "end_date": "2025-07-22",
   "sample": "1,400 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 42.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Fabrizio (R)",
   "sponsor": "Impact Research (D)",
   "dates": "Jul 16\u201320, 2025",
   "end_date": "2025-07-20",
   "sample": "1,500 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 43.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "AtlasIntel",
   "sponsor": "",
   "dates": "Jul 13\u201318, 2025",
   "end_date": "2025-07-18",
   "sample": "1,935 A",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 43.0
   },
   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Rasmussen Reports (R)",
   "sponsor": "",
   "dates": "Jul 13\u201317, 2025",
   "end_date": "2025-07-17",
   "sample": "2,288 LV",
   "grade": "B",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 42.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Jul 14\u201316, 2025",
   "end_date": "2025-07-16",
   "sample": "2,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 49.0
   },
   "margin": -4.0,
   "margin_label": "Republicans +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "Jul 12\u201314, 2025",
   "end_date": "2025-07-14",
   "sample": "3,022 RV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 41.0
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   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Jul 10\u201314, 2025",
   "end_date": "2025-07-14",
   "sample": "1,084 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 41.0
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   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Jul 9\u201314, 2025",
   "end_date": "2025-07-14",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 47.0
   },
   "margin": -5.0,
   "margin_label": "Republicans +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "A2 Insights",
   "sponsor": "",
   "dates": "Jul 7\u201310, 2025",
   "end_date": "2025-07-10",
   "sample": "862 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 44.0
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   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Jul 1\u20133, 2025",
   "end_date": "2025-07-03",
   "sample": "1,500 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 43.0
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   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jul 1\u20132, 2025",
   "end_date": "2025-07-02",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
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   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "American Pulse Research & Polling (R)",
   "sponsor": "",
   "dates": "Jun 23\u201325, 2025",
   "end_date": "2025-06-25",
   "sample": "633 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 42.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Jun 24\u201325, 2025",
   "end_date": "2025-06-25",
   "sample": "1,000 LV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 40.0
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   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jun 19\u201321, 2025",
   "end_date": "2025-06-21",
   "sample": "800 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 46.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Jun 18\u201319, 2025",
   "end_date": "2025-06-19",
   "sample": "1,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 52.0
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   "margin": -8.0,
   "margin_label": "Republicans +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Jun 12\u201316, 2025",
   "end_date": "2025-06-16",
   "sample": "982 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 48.0
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   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "co",
   "sponsor": "efficient (R)",
   "dates": "Jun 12\u201316, 2025",
   "end_date": "2025-06-16",
   "sample": "1,035 LV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 46.0
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   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Jun 5\u201314, 2025",
   "end_date": "2025-06-14",
   "sample": "1,000",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
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   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "Jun 6\u201312, 2025",
   "end_date": "2025-06-12",
   "sample": "1,500 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 37.0
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   "margin": 8.0,
   "margin_label": "Democrats +8.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jun 9\u201311, 2025",
   "end_date": "2025-06-11",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 43.0
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   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jun 1\u20134, 2025",
   "end_date": "2025-06-04",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 45.0
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   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
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  {
   "pollster": "AtlasIntel",
   "sponsor": "",
   "dates": "May 21\u201327, 2025",
   "end_date": "2025-05-27",
   "sample": "3,469 A",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 51.0,
    "Republicans": 42.0
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   "margin": 9.0,
   "margin_label": "Democrats +9.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "May 21\u201326, 2025",
   "end_date": "2025-05-26",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 47.0
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   "margin": -4.0,
   "margin_label": "Republicans +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "May 20\u201321, 2025",
   "end_date": "2025-05-21",
   "sample": "1,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 45.0
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   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Fabrizio Ward (R)",
   "sponsor": "",
   "dates": "May 15\u201319, 2025",
   "end_date": "2025-05-19",
   "sample": "800 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 42.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "May 8\u201312, 2025",
   "end_date": "2025-05-12",
   "sample": "1,000 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 48.0
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   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
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  {
   "pollster": "co",
   "sponsor": "efficient (R)",
   "dates": "May 7\u20139, 2025",
   "end_date": "2025-05-09",
   "sample": "1,462 LV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "May 5\u20137, 2025",
   "end_date": "2025-05-07",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 45.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Strength In Numbers",
   "sponsor": "Verasight",
   "dates": "May 1\u20136, 2025",
   "end_date": "2025-05-06",
   "sample": "1,000 A",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 41.0
   },
   "margin": 6.0,
   "margin_label": "Democrats +6.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Big Data Poll (R)",
   "sponsor": "",
   "dates": "May 3\u20135, 2025",
   "end_date": "2025-05-05",
   "sample": "3,128 RV",
   "grade": "F",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 42.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "NewsNation",
   "sponsor": "DDHQ",
   "dates": "Apr 23\u201327, 2025",
   "end_date": "2025-04-27",
   "sample": "1,448 RV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 40.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "New York Times",
   "sponsor": "Siena College",
   "dates": "Apr 21\u201324, 2025",
   "end_date": "2025-04-24",
   "sample": "913 RV",
   "grade": "A+",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 44.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Beacon Research (D)",
   "sponsor": "Shaw & Co. Research (R)",
   "dates": "Apr 18\u201321, 2025",
   "end_date": "2025-04-21",
   "sample": "1,104 RV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 42.0
   },
   "margin": 7.0,
   "margin_label": "Democrats +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Apr 15\u201319, 2025",
   "end_date": "2025-04-19",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 49.0,
    "Republicans": 45.0
   },
   "margin": 4.0,
   "margin_label": "Democrats +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Noble Predictive Insights",
   "sponsor": "The Center Square",
   "dates": "Apr 15\u201318, 2025",
   "end_date": "2025-04-18",
   "sample": "2,500 LV",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Apr 16, 2025",
   "end_date": "2025-04-16",
   "sample": "1,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 50.0,
    "Republicans": 45.0
   },
   "margin": 5.0,
   "margin_label": "Democrats +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Apr 9\u201313, 2025",
   "end_date": "2025-04-13",
   "sample": "RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 42.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RealClear Opinion Research",
   "sponsor": "",
   "dates": "Apr 10\u201312, 2025",
   "end_date": "2025-04-12",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 40.0,
    "Republicans": 39.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Apr 1\u20133, 2025",
   "end_date": "2025-04-03",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 47.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Yale Youth Poll",
   "sponsor": "",
   "dates": "Apr 1\u20133, 2025",
   "end_date": "2025-04-03",
   "sample": "4,100 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 42.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Mar 25\u201327, 2025",
   "end_date": "2025-03-27",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 46.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Mar 10\u201313, 2025",
   "end_date": "2025-03-13",
   "sample": "1,007 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 47.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Hart Research Associates (D)",
   "sponsor": "Public Opinion Strategies (R)",
   "dates": "Mar 7\u201311, 2025",
   "end_date": "2025-03-11",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 48.0,
    "Republicans": 47.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Mar 3\u20139, 2025",
   "end_date": "2025-03-09",
   "sample": "1,036",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 44.0
   },
   "margin": 2.0,
   "margin_label": "Democrats +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Mar 3\u20135, 2025",
   "end_date": "2025-03-05",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 47.0,
    "Republicans": 46.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Emerson College",
   "sponsor": "",
   "dates": "Mar 2\u20133, 2025",
   "end_date": "2025-03-03",
   "sample": "1,000 RV",
   "grade": "A-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 41.0
   },
   "margin": 3.0,
   "margin_label": "Democrats +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Public Opinion Strategies (R)",
   "sponsor": "",
   "dates": "Feb 25 \u2013 Mar 2, 2025",
   "end_date": "2025-03-02",
   "sample": "1,000 RV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 46.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Feb 20\u201321, 2025",
   "end_date": "2025-02-21",
   "sample": "1,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 48.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "co",
   "sponsor": "efficient (R)",
   "dates": "Feb 15\u201317, 2025",
   "end_date": "2025-02-17",
   "sample": "2,063 LV",
   "grade": "B+",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 46.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Echelon Insights",
   "sponsor": "",
   "dates": "Feb 10\u201313, 2025",
   "end_date": "2025-02-13",
   "sample": "1,010 LV",
   "grade": "A/B",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 47.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Feb 10\u201312, 2025",
   "end_date": "2025-02-12",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 48.0
   },
   "margin": -4.0,
   "margin_label": "Republicans +4.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Feb 3\u20139, 2025",
   "end_date": "2025-02-09",
   "sample": "19,675 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 45.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Clarity Campaign Labs (D)",
   "sponsor": "",
   "dates": "Jan 31 \u2013 Feb 6, 2025",
   "end_date": "2025-02-06",
   "sample": "1,102",
   "grade": "B/C",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 44.0
   },
   "margin": 1.0,
   "margin_label": "Democrats +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Feb 4\u20135, 2025",
   "end_date": "2025-02-05",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 46.0,
    "Republicans": 47.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jan 27 \u2013 Feb 2, 2025",
   "end_date": "2025-02-02",
   "sample": "19,675 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 44.0
   },
   "margin": -1.0,
   "margin_label": "Republicans +1.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Fabrizio Ward (R)",
   "sponsor": "Impact Research (D)",
   "dates": "Jan 27 \u2013 Feb 1, 2025",
   "end_date": "2025-02-01",
   "sample": "3,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 43.0,
    "Republicans": 43.0
   },
   "margin": 0.0,
   "margin_label": "Tie",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Morning Consult",
   "sponsor": "",
   "dates": "Jan 20\u201326, 2025",
   "end_date": "2025-01-26",
   "sample": "19,675 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 45.0
   },
   "margin": -3.0,
   "margin_label": "Republicans +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Quantus Insights (R)",
   "sponsor": "",
   "dates": "Jan 22\u201323, 2025",
   "end_date": "2025-01-23",
   "sample": "1,000 RV",
   "grade": "\u2014",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 48.0
   },
   "margin": -3.0,
   "margin_label": "Republicans +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "RMG Research",
   "sponsor": "",
   "dates": "Jan 15\u201316, 2025",
   "end_date": "2025-01-16",
   "sample": "1,000 RV",
   "grade": "B-",
   "weight": 0.0,
   "vals": {
    "Democrats": 44.0,
    "Republicans": 51.0
   },
   "margin": -7.0,
   "margin_label": "Republicans +7.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Jan 9\u201312, 2025",
   "end_date": "2025-01-12",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 47.0
   },
   "margin": -2.0,
   "margin_label": "Republicans +2.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "McLaughlin & Associates (R)",
   "sponsor": "",
   "dates": "Dec 11\u201316, 2024",
   "end_date": "2024-12-16",
   "sample": "1,000 LV",
   "grade": "C/D",
   "weight": 0.0,
   "vals": {
    "Democrats": 42.0,
    "Republicans": 47.0
   },
   "margin": -5.0,
   "margin_label": "Republicans +5.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  },
  {
   "pollster": "Cygnal (R)",
   "sponsor": "",
   "dates": "Dec 9\u201311, 2024",
   "end_date": "2024-12-11",
   "sample": "1,500 LV",
   "grade": "A",
   "weight": 0.0,
   "vals": {
    "Democrats": 45.0,
    "Republicans": 48.0
   },
   "margin": -3.0,
   "margin_label": "Republicans +3.0",
   "source_url": "https://en.wikipedia.org/wiki/2026_United_States_elections",
   "notes": ""
  }
 ]
}