{
  "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": "ISH",
    "party_label": "維新",
    "party_label_en": "Japan Innovation Party (Ishin)",
    "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": 14.56,
    "max_votes_change_rate_pct": 83.333333
  },
  "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": 12.0,
      "target_votes": 22.0,
      "votes_delta": 10.0,
      "votes_change_rate_pct": 83.333333,
      "baseline_vote_share_pct_muni": 3.125,
      "target_vote_share_pct_muni": 6.25,
      "vote_share_delta_pct_pt": 3.125
    },
    {
      "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": 42.0,
      "target_votes": 70.0,
      "votes_delta": 28.0,
      "votes_change_rate_pct": 66.666667,
      "baseline_vote_share_pct_muni": 3.032491,
      "target_vote_share_pct_muni": 5.247376,
      "vote_share_delta_pct_pt": 2.214885
    },
    {
      "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": 39.0,
      "target_votes": 63.0,
      "votes_delta": 24.0,
      "votes_change_rate_pct": 61.538462,
      "baseline_vote_share_pct_muni": 2.145215,
      "target_vote_share_pct_muni": 3.682057,
      "vote_share_delta_pct_pt": 1.536842
    },
    {
      "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": 139.0,
      "target_votes": 222.0,
      "votes_delta": 83.0,
      "votes_change_rate_pct": 59.71223,
      "baseline_vote_share_pct_muni": 2.506763,
      "target_vote_share_pct_muni": 4.1612,
      "vote_share_delta_pct_pt": 1.654437
    },
    {
      "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": 59.0,
      "target_votes": 87.0,
      "votes_delta": 28.0,
      "votes_change_rate_pct": 47.457627,
      "baseline_vote_share_pct_muni": 2.161964,
      "target_vote_share_pct_muni": 3.758099,
      "vote_share_delta_pct_pt": 1.596135
    },
    {
      "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": 171.0,
      "target_votes": 248.0,
      "votes_delta": 77.0,
      "votes_change_rate_pct": 45.02924,
      "baseline_vote_share_pct_muni": 2.742142,
      "target_vote_share_pct_muni": 4.299584,
      "vote_share_delta_pct_pt": 1.557442
    },
    {
      "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": 50.0,
      "target_votes": 72.0,
      "votes_delta": 22.0,
      "votes_change_rate_pct": 44.0,
      "baseline_vote_share_pct_muni": 3.533569,
      "target_vote_share_pct_muni": 5.764612,
      "vote_share_delta_pct_pt": 2.231043
    },
    {
      "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": 99.0,
      "target_votes": 138.0,
      "votes_delta": 39.0,
      "votes_change_rate_pct": 39.393939,
      "baseline_vote_share_pct_muni": 3.187379,
      "target_vote_share_pct_muni": 4.554455,
      "vote_share_delta_pct_pt": 1.367076
    },
    {
      "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": 574.0,
      "target_votes": 784.0,
      "votes_delta": 210.0,
      "votes_change_rate_pct": 36.585366,
      "baseline_vote_share_pct_muni": 3.727273,
      "target_vote_share_pct_muni": 5.333333,
      "vote_share_delta_pct_pt": 1.60606
    },
    {
      "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": 154.0,
      "target_votes": 210.0,
      "votes_delta": 56.0,
      "votes_change_rate_pct": 36.363636,
      "baseline_vote_share_pct_muni": 2.646048,
      "target_vote_share_pct_muni": 3.608247,
      "vote_share_delta_pct_pt": 0.962199
    },
    {
      "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": 69.0,
      "target_votes": 94.0,
      "votes_delta": 25.0,
      "votes_change_rate_pct": 36.231884,
      "baseline_vote_share_pct_muni": 2.367067,
      "target_vote_share_pct_muni": 3.527205,
      "vote_share_delta_pct_pt": 1.160138
    },
    {
      "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": 3120.0,
      "target_votes": 4244.0,
      "votes_delta": 1124.0,
      "votes_change_rate_pct": 36.025641,
      "baseline_vote_share_pct_muni": 3.913109,
      "target_vote_share_pct_muni": 5.726004,
      "vote_share_delta_pct_pt": 1.812895
    },
    {
      "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": 135.0,
      "target_votes": 179.0,
      "votes_delta": 44.0,
      "votes_change_rate_pct": 32.592593,
      "baseline_vote_share_pct_muni": 3.476693,
      "target_vote_share_pct_muni": 4.74927,
      "vote_share_delta_pct_pt": 1.272577
    },
    {
      "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": 969.0,
      "target_votes": 1280.0,
      "votes_delta": 311.0,
      "votes_change_rate_pct": 32.094943,
      "baseline_vote_share_pct_muni": 3.973428,
      "target_vote_share_pct_muni": 5.531308,
      "vote_share_delta_pct_pt": 1.55788
    },
    {
      "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": 356.0,
      "target_votes": 465.0,
      "votes_delta": 109.0,
      "votes_change_rate_pct": 30.617978,
      "baseline_vote_share_pct_muni": 3.282013,
      "target_vote_share_pct_muni": 4.423516,
      "vote_share_delta_pct_pt": 1.141503
    },
    {
      "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": 592.0,
      "target_votes": 745.0,
      "votes_delta": 153.0,
      "votes_change_rate_pct": 25.844595,
      "baseline_vote_share_pct_muni": 3.121375,
      "target_vote_share_pct_muni": 4.073041,
      "vote_share_delta_pct_pt": 0.951666
    },
    {
      "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": 3630.0,
      "target_votes": 4523.0,
      "votes_delta": 893.0,
      "votes_change_rate_pct": 24.600551,
      "baseline_vote_share_pct_muni": 4.004633,
      "target_vote_share_pct_muni": 5.615076,
      "vote_share_delta_pct_pt": 1.610443
    },
    {
      "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": 889.0,
      "target_votes": 1077.0,
      "votes_delta": 188.0,
      "votes_change_rate_pct": 21.147357,
      "baseline_vote_share_pct_muni": 4.185696,
      "target_vote_share_pct_muni": 5.318781,
      "vote_share_delta_pct_pt": 1.133085
    },
    {
      "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": 625.0,
      "target_votes": 716.0,
      "votes_delta": 91.0,
      "votes_change_rate_pct": 14.56,
      "baseline_vote_share_pct_muni": 3.584127,
      "target_vote_share_pct_muni": 4.56051,
      "vote_share_delta_pct_pt": 0.976383
    }
  ]
}