{
  "name": "chart-generic-ballot",
  "title": "Chart data: Generic ballot 11 days out, against the final House vote",
  "description": "The data behind the chart “Generic ballot 11 days out, against the final House vote” (post 1), as of 2026-10-23. Silver Bulletin average (2026); 538 average (2018, 2022). 2022 polls understated Republicans: R+0.6 in the average, R+2.7 in the House vote.",
  "updated": "2026-10-23",
  "licence": "CC BY 4.0",
  "licenceUrl": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "Carmena’s Overton & Electoral Research",
  "attribution_required": true,
  "citation": "Carmena’s Overton & Electoral Research. “Chart data: Generic ballot 11 days out, against the final House vote” (CSV). Last updated 2026-10-23. https://carmenaresearch.com/data/public/chart-generic-ballot.csv. Licensed CC BY 4.0.",
  "csv": "https://carmenaresearch.com/data/public/chart-generic-ballot.csv",
  "page": "https://carmenaresearch.com/data/#chart-generic-ballot",
  "columns": [
    {
      "name": "year",
      "description": "Year"
    },
    {
      "name": "average11DaysOut",
      "description": "Average, 11 days out"
    },
    {
      "name": "finalHouseVote",
      "description": "Final House vote"
    }
  ],
  "caveats": [
    "2022 polls understated Republicans: R+0.6 in the average, R+2.7 in the House vote."
  ],
  "rows": [
    {
      "year": "2026",
      "average11DaysOut": 9,
      "finalHouseVote": null
    },
    {
      "year": "2018",
      "average11DaysOut": 8.2,
      "finalHouseVote": 8.6
    },
    {
      "year": "2022",
      "average11DaysOut": -0.6,
      "finalHouseVote": -2.7
    }
  ]
}