{
  "schema_version": "jp-election-municipality-proportional-swing-graph.v1",
  "dataset_id": "jp-election-db.derived-shape.graph",
  "family": "graph",
  "dataset": "municipality-proportional-swing-2025-2026",
  "source_release_version": "2026-05-03-v050",
  "selector": {
    "prefecture_code": "32",
    "prefecture_name": "島根県",
    "prefecture_name_en": "Shimane",
    "party_id": "SDP",
    "party_label": "社民",
    "party_label_en": "Social Democratic Party",
    "scope": "prefecture",
    "ranking_id": "",
    "ranking_label": "",
    "ranking_label_en": ""
  },
  "comparison": {
    "comparison_key": "20250720_hc_pr__20260208_hr_block",
    "baseline_election_set_key": "20250720_hc",
    "baseline_election_date": "2025-07-20",
    "baseline_vote_system": "pr",
    "target_election_set_key": "20260208_hr",
    "target_election_date": "2026-02-08",
    "target_vote_system": "block"
  },
  "metric": {
    "primary_metric_id": "votes_change_rate_pct",
    "primary_metric_label": "票数増減率",
    "secondary_metric_id": "votes_delta",
    "secondary_metric_label": "票数差"
  },
  "summary": {
    "point_grain": "municipality",
    "point_count": 19,
    "municipality_count": 19,
    "min_votes_change_rate_pct": -39.506173,
    "max_votes_change_rate_pct": 80.0
  },
  "municipalities": [
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325279",
      "municipality_name": "知夫村",
      "municipality_name_en": "Chibu-mura",
      "baseline_votes": 5.0,
      "target_votes": 9.0,
      "votes_delta": 4.0,
      "votes_change_rate_pct": 80.0,
      "baseline_vote_share_pct_muni": 1.302083,
      "target_vote_share_pct_muni": 2.556818,
      "vote_share_delta_pct_pt": 1.254735
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325252",
      "municipality_name": "海士町",
      "municipality_name_en": "Ama-cho",
      "baseline_votes": 14.0,
      "target_votes": 22.0,
      "votes_delta": 8.0,
      "votes_change_rate_pct": 57.142857,
      "baseline_vote_share_pct_muni": 1.01083,
      "target_vote_share_pct_muni": 1.649175,
      "vote_share_delta_pct_pt": 0.638345
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325260",
      "municipality_name": "西ノ島町",
      "municipality_name_en": "Nishinoshima-cho",
      "baseline_votes": 18.0,
      "target_votes": 27.0,
      "votes_delta": 9.0,
      "votes_change_rate_pct": 50.0,
      "baseline_vote_share_pct_muni": 1.272085,
      "target_vote_share_pct_muni": 2.161729,
      "vote_share_delta_pct_pt": 0.889644
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "323861",
      "municipality_name": "飯南町",
      "municipality_name_en": "Iinan-cho",
      "baseline_votes": 40.0,
      "target_votes": 43.0,
      "votes_delta": 3.0,
      "votes_change_rate_pct": 7.5,
      "baseline_vote_share_pct_muni": 1.372213,
      "target_vote_share_pct_muni": 1.613508,
      "vote_share_delta_pct_pt": 0.241295
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325058",
      "municipality_name": "吉賀町",
      "municipality_name_en": "Yoshika-cho",
      "baseline_votes": 88.0,
      "target_votes": 77.0,
      "votes_delta": -11.0,
      "votes_change_rate_pct": -12.5,
      "baseline_vote_share_pct_muni": 2.833226,
      "target_vote_share_pct_muni": 2.541254,
      "vote_share_delta_pct_pt": -0.291972
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322040",
      "municipality_name": "益田市",
      "municipality_name_en": "Masuda-shi",
      "baseline_votes": 433.0,
      "target_votes": 377.0,
      "votes_delta": -56.0,
      "votes_change_rate_pct": -12.933025,
      "baseline_vote_share_pct_muni": 2.038702,
      "target_vote_share_pct_muni": 1.86182,
      "vote_share_delta_pct_pt": -0.176882
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325287",
      "municipality_name": "隠岐の島町",
      "municipality_name_en": "Okinoshima-cho",
      "baseline_votes": 72.0,
      "target_votes": 60.0,
      "votes_delta": -12.0,
      "votes_change_rate_pct": -16.666667,
      "baseline_vote_share_pct_muni": 1.154586,
      "target_vote_share_pct_muni": 1.040222,
      "vote_share_delta_pct_pt": -0.114364
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "324493",
      "municipality_name": "邑南町",
      "municipality_name_en": "Ohnan-cho",
      "baseline_votes": 89.0,
      "target_votes": 74.0,
      "votes_delta": -15.0,
      "votes_change_rate_pct": -16.853933,
      "baseline_vote_share_pct_muni": 1.60505,
      "target_vote_share_pct_muni": 1.387067,
      "vote_share_delta_pct_pt": -0.217983
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322024",
      "municipality_name": "浜田市",
      "municipality_name_en": "Hamada-shi",
      "baseline_votes": 457.0,
      "target_votes": 379.0,
      "votes_delta": -78.0,
      "votes_change_rate_pct": -17.067834,
      "baseline_vote_share_pct_muni": 1.873949,
      "target_vote_share_pct_muni": 1.637786,
      "vote_share_delta_pct_pt": -0.236163
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "323438",
      "municipality_name": "奥出雲町",
      "municipality_name_en": "Okuizumo-cho",
      "baseline_votes": 76.0,
      "target_votes": 63.0,
      "votes_delta": -13.0,
      "votes_change_rate_pct": -17.105263,
      "baseline_vote_share_pct_muni": 1.305842,
      "target_vote_share_pct_muni": 1.082474,
      "vote_share_delta_pct_pt": -0.223368
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "324485",
      "municipality_name": "美郷町",
      "municipality_name_en": "Misato-cho",
      "baseline_votes": 39.0,
      "target_votes": 30.0,
      "votes_delta": -9.0,
      "votes_change_rate_pct": -23.076923,
      "baseline_vote_share_pct_muni": 1.429095,
      "target_vote_share_pct_muni": 1.295896,
      "vote_share_delta_pct_pt": -0.133199
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "324418",
      "municipality_name": "川本町",
      "municipality_name_en": "Kawamoto-machi",
      "baseline_votes": 26.0,
      "target_votes": 20.0,
      "votes_delta": -6.0,
      "votes_change_rate_pct": -23.076923,
      "baseline_vote_share_pct_muni": 1.430143,
      "target_vote_share_pct_muni": 1.168907,
      "vote_share_delta_pct_pt": -0.261236
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325015",
      "municipality_name": "津和野町",
      "municipality_name_en": "Tsuwano-cho",
      "baseline_votes": 75.0,
      "target_votes": 57.0,
      "votes_delta": -18.0,
      "votes_change_rate_pct": -24.0,
      "baseline_vote_share_pct_muni": 1.931496,
      "target_vote_share_pct_muni": 1.512337,
      "vote_share_delta_pct_pt": -0.419159
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322032",
      "municipality_name": "出雲市",
      "municipality_name_en": "Izumo-shi",
      "baseline_votes": 1094.474,
      "target_votes": 815.0,
      "votes_delta": -279.474,
      "votes_change_rate_pct": -25.535006,
      "baseline_vote_share_pct_muni": 1.372691,
      "target_vote_share_pct_muni": 1.099598,
      "vote_share_delta_pct_pt": -0.273093
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322091",
      "municipality_name": "雲南市",
      "municipality_name_en": "Unnan-shi",
      "baseline_votes": 337.0,
      "target_votes": 234.0,
      "votes_delta": -103.0,
      "votes_change_rate_pct": -30.563798,
      "baseline_vote_share_pct_muni": 1.776864,
      "target_vote_share_pct_muni": 1.279318,
      "vote_share_delta_pct_pt": -0.497546
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322075",
      "municipality_name": "江津市",
      "municipality_name_en": "Gotsu-shi",
      "baseline_votes": 219.0,
      "target_votes": 150.0,
      "votes_delta": -69.0,
      "votes_change_rate_pct": -31.506849,
      "baseline_vote_share_pct_muni": 2.018991,
      "target_vote_share_pct_muni": 1.426941,
      "vote_share_delta_pct_pt": -0.59205
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322067",
      "municipality_name": "安来市",
      "municipality_name_en": "Yasugi-shi",
      "baseline_votes": 282.0,
      "target_votes": 182.0,
      "votes_delta": -100.0,
      "votes_change_rate_pct": -35.460993,
      "baseline_vote_share_pct_muni": 1.617158,
      "target_vote_share_pct_muni": 1.159236,
      "vote_share_delta_pct_pt": -0.457922
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322059",
      "municipality_name": "大田市",
      "municipality_name_en": "Oda-shi",
      "baseline_votes": 433.0,
      "target_votes": 265.0,
      "votes_delta": -168.0,
      "votes_change_rate_pct": -38.799076,
      "baseline_vote_share_pct_muni": 2.811688,
      "target_vote_share_pct_muni": 1.802721,
      "vote_share_delta_pct_pt": -1.008967
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "322016",
      "municipality_name": "松江市",
      "municipality_name_en": "Matsue-shi",
      "baseline_votes": 1539.0,
      "target_votes": 931.0,
      "votes_delta": -608.0,
      "votes_change_rate_pct": -39.506173,
      "baseline_vote_share_pct_muni": 1.697832,
      "target_vote_share_pct_muni": 1.155789,
      "vote_share_delta_pct_pt": -0.542043
    }
  ]
}