{
  "alt": "Line chart of the weighted correlation between the abortion answer and a Democratic presidential vote in each ANES presidential-election year from 1980 to 2024, with a confidence band. The line is {fact:corr_1980} in 1980 and {fact:corr_1984} in 1984, changes little from 1984 to 1988, and rises in each later election to {fact:corr_2024} in 2024. A shaded band marks the mode change from 2016 to 2020.",
  "caption": "The line is about zero in 1980, is higher by 1984 and rises in each election after 1988. The band is a 95% confidence interval. The chart shows how closely the abortion answer and the vote move together and does not show that one produces the other.",
  "data": [
    {
      "conf_high": 0.018861,
      "conf_low": -0.110136,
      "estimate": -0.0458284,
      "n": 920,
      "year": 1980
    },
    {
      "conf_high": 0.163258,
      "conf_low": 0.0575039,
      "estimate": 0.110694,
      "n": 1341,
      "year": 1984
    },
    {
      "conf_high": 0.168345,
      "conf_low": 0.0557435,
      "estimate": 0.112405,
      "n": 1182,
      "year": 1988
    },
    {
      "conf_high": 0.215425,
      "conf_low": 0.120453,
      "estimate": 0.168329,
      "n": 1615,
      "year": 1992
    },
    {
      "conf_high": 0.286056,
      "conf_low": 0.162506,
      "estimate": 0.225186,
      "n": 1096,
      "year": 1996
    },
    {
      "conf_high": 0.30048,
      "conf_low": 0.177227,
      "estimate": 0.23982,
      "n": 1092,
      "year": 2000
    },
    {
      "conf_high": 0.325259,
      "conf_low": 0.183408,
      "estimate": 0.255709,
      "n": 796,
      "year": 2004
    },
    {
      "conf_high": 0.399835,
      "conf_low": 0.240864,
      "estimate": 0.322623,
      "n": 754,
      "year": 2008
    },
    {
      "conf_high": 0.402331,
      "conf_low": 0.33133,
      "estimate": 0.367366,
      "n": 4168,
      "year": 2012
    },
    {
      "conf_high": 0.460049,
      "conf_low": 0.383555,
      "estimate": 0.422554,
      "n": 2577,
      "year": 2016
    },
    {
      "conf_high": 0.536428,
      "conf_low": 0.485779,
      "estimate": 0.511548,
      "n": 5977,
      "year": 2020
    },
    {
      "conf_high": 0.62281,
      "conf_low": 0.56113,
      "estimate": 0.592839,
      "n": 3630,
      "year": 2024
    }
  ],
  "id": "vote_correlation",
  "notes": [
    "Respondents who reported a vote for a candidate other than the two major-party candidates are left out. Shaded band: the ANES mode change from 2016 to 2020."
  ],
  "source": "ANES Cumulative Data File, 1980-2024; weighted (VCF0009z, which equals 1 for every respondent from 1980 to 1990)",
  "spec": {
    "annotations": [
      {
        "label": "No relationship",
        "type": "y-rule",
        "y": 0
      },
      {
        "label": "ANES mode change",
        "type": "band",
        "x1": 2016,
        "x2": 2020
      }
    ],
    "hi": "conf_high",
    "lo": "conf_low",
    "n": "n",
    "x": "year",
    "xDomain": [
      1978,
      2026
    ],
    "xLabel": "Election year",
    "y": "estimate",
    "yDomain": [
      -0.2,
      0.8
    ],
    "yFormat": {
      "digits": 1
    },
    "yLabel": "Correlation with a Democratic vote"
  },
  "subtitle": "Correlation between the four-category abortion answer (higher = more permissive) and a Democratic rather than Republican presidential vote, ANES presidential-election years, 95% intervals",
  "table": {
    "columns": [
      {
        "key": "year",
        "label": "Year"
      },
      {
        "format": {
          "digits": 2
        },
        "key": "estimate",
        "label": "Correlation"
      },
      {
        "format": {
          "digits": 2
        },
        "key": "conf_low",
        "label": "Lower"
      },
      {
        "format": {
          "digits": 2
        },
        "key": "conf_high",
        "label": "Upper"
      },
      {
        "format": {
          "thousands": true
        },
        "key": "n",
        "label": "Respondents"
      }
    ]
  },
  "title": "The correlation of abortion views with the vote rose to {fact:corr_2024}",
  "type": "line",
  "width": "wide"
}