{
  "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": "37",
    "prefecture_name": "香川県",
    "prefecture_name_en": "Kagawa",
    "party_id": "DPP",
    "party_label": "国民",
    "party_label_en": "Democratic Party for the People",
    "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": 17,
    "municipality_count": 17,
    "min_votes_change_rate_pct": -38.723485,
    "max_votes_change_rate_pct": -1.513496
  },
  "municipalities": [
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372072",
      "municipality_name": "東かがわ市",
      "municipality_name_en": "Higashikagawa-shi",
      "baseline_votes": 4630.076,
      "target_votes": 4560.0,
      "votes_delta": -70.076,
      "votes_change_rate_pct": -1.513496,
      "baseline_vote_share_pct_muni": 34.304482,
      "target_vote_share_pct_muni": 33.195021,
      "vote_share_delta_pct_pt": -1.109461
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372064",
      "municipality_name": "さぬき市",
      "municipality_name_en": "Sanuki-shi",
      "baseline_votes": 8742.273,
      "target_votes": 8529.0,
      "votes_delta": -213.273,
      "votes_change_rate_pct": -2.43956,
      "baseline_vote_share_pct_muni": 39.431117,
      "target_vote_share_pct_muni": 38.33603,
      "vote_share_delta_pct_pt": -1.095087
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "374067",
      "municipality_name": "まんのう町",
      "municipality_name_en": "Manno-cho",
      "baseline_votes": 1887.79,
      "target_votes": 1764.0,
      "votes_delta": -123.79,
      "votes_change_rate_pct": -6.557403,
      "baseline_vote_share_pct_muni": 24.529496,
      "target_vote_share_pct_muni": 22.938882,
      "vote_share_delta_pct_pt": -1.590614
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372080",
      "municipality_name": "三豊市",
      "municipality_name_en": "Mitoyo-shi",
      "baseline_votes": 6260.525,
      "target_votes": 5761.0,
      "votes_delta": -499.525,
      "votes_change_rate_pct": -7.978963,
      "baseline_vote_share_pct_muni": 22.329511,
      "target_vote_share_pct_muni": 20.734955,
      "vote_share_delta_pct_pt": -1.594556
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373419",
      "municipality_name": "三木町",
      "municipality_name_en": "Miki-cho",
      "baseline_votes": 4483.21,
      "target_votes": 4038.0,
      "votes_delta": -445.21,
      "votes_change_rate_pct": -9.930608,
      "baseline_vote_share_pct_muni": 34.451779,
      "target_vote_share_pct_muni": 31.397247,
      "vote_share_delta_pct_pt": -3.054532
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "374040",
      "municipality_name": "多度津町",
      "municipality_name_en": "Tadotsu-cho",
      "baseline_votes": 2347.973,
      "target_votes": 2108.0,
      "votes_delta": -239.973,
      "votes_change_rate_pct": -10.220433,
      "baseline_vote_share_pct_muni": 24.369206,
      "target_vote_share_pct_muni": 22.245673,
      "vote_share_delta_pct_pt": -2.123533
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372048",
      "municipality_name": "善通寺市",
      "municipality_name_en": "Zentsuji-shi",
      "baseline_votes": 2937.176,
      "target_votes": 2587.0,
      "votes_delta": -350.176,
      "votes_change_rate_pct": -11.9222,
      "baseline_vote_share_pct_muni": 21.30859,
      "target_vote_share_pct_muni": 19.158705,
      "vote_share_delta_pct_pt": -2.149885
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373877",
      "municipality_name": "綾川町",
      "municipality_name_en": "Ayagawa-cho",
      "baseline_votes": 3797.645,
      "target_votes": 3306.0,
      "votes_delta": -491.645,
      "votes_change_rate_pct": -12.946049,
      "baseline_vote_share_pct_muni": 32.88289,
      "target_vote_share_pct_muni": 28.133776,
      "vote_share_delta_pct_pt": -4.749114
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372030",
      "municipality_name": "坂出市",
      "municipality_name_en": "Sakaide-shi",
      "baseline_votes": 7003.747,
      "target_votes": 6088.0,
      "votes_delta": -915.747,
      "votes_change_rate_pct": -13.075101,
      "baseline_vote_share_pct_muni": 31.569741,
      "target_vote_share_pct_muni": 26.386963,
      "vote_share_delta_pct_pt": -5.182778
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372056",
      "municipality_name": "観音寺市",
      "municipality_name_en": "Kanonji-shi",
      "baseline_votes": 5537.105,
      "target_votes": 4787.0,
      "votes_delta": -750.105,
      "votes_change_rate_pct": -13.546881,
      "baseline_vote_share_pct_muni": 22.054029,
      "target_vote_share_pct_muni": 18.762984,
      "vote_share_delta_pct_pt": -3.291045
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "374032",
      "municipality_name": "琴平町",
      "municipality_name_en": "Kotohira-cho",
      "baseline_votes": 901.119,
      "target_votes": 773.0,
      "votes_delta": -128.119,
      "votes_change_rate_pct": -14.217767,
      "baseline_vote_share_pct_muni": 23.608043,
      "target_vote_share_pct_muni": 20.401161,
      "vote_share_delta_pct_pt": -3.206882
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373869",
      "municipality_name": "宇多津町",
      "municipality_name_en": "Utazu-cho",
      "baseline_votes": 2644.566,
      "target_votes": 2212.0,
      "votes_delta": -432.566,
      "votes_change_rate_pct": -16.356786,
      "baseline_vote_share_pct_muni": 31.95464,
      "target_vote_share_pct_muni": 26.740812,
      "vote_share_delta_pct_pt": -5.213828
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373648",
      "municipality_name": "直島町",
      "municipality_name_en": "Naoshima-cho",
      "baseline_votes": 235.03,
      "target_votes": 187.0,
      "votes_delta": -48.03,
      "votes_change_rate_pct": -20.435689,
      "baseline_vote_share_pct_muni": 15.482872,
      "target_vote_share_pct_muni": 12.790698,
      "vote_share_delta_pct_pt": -2.692174
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373249",
      "municipality_name": "小豆島町",
      "municipality_name_en": "Shodoshima-cho",
      "baseline_votes": 946.779,
      "target_votes": 684.0,
      "votes_delta": -262.779,
      "votes_change_rate_pct": -27.755052,
      "baseline_vote_share_pct_muni": 14.232998,
      "target_vote_share_pct_muni": 9.94186,
      "vote_share_delta_pct_pt": -4.291138
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373222",
      "municipality_name": "土庄町",
      "municipality_name_en": "Tonosho-cho",
      "baseline_votes": 868.4,
      "target_votes": 609.0,
      "votes_delta": -259.4,
      "votes_change_rate_pct": -29.871027,
      "baseline_vote_share_pct_muni": 13.587858,
      "target_vote_share_pct_muni": 9.134543,
      "vote_share_delta_pct_pt": -4.453315
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372013",
      "municipality_name": "高松市",
      "municipality_name_en": "Takamatsu-shi",
      "baseline_votes": 51986.002,
      "target_votes": 32273.0,
      "votes_delta": -19713.002,
      "votes_change_rate_pct": -37.919827,
      "baseline_vote_share_pct_muni": 26.783516,
      "target_vote_share_pct_muni": 20.656835,
      "vote_share_delta_pct_pt": -6.126681
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372021",
      "municipality_name": "丸亀市",
      "municipality_name_en": "Marugame-shi",
      "baseline_votes": 12988.663,
      "target_votes": 7959.0,
      "votes_delta": -5029.663,
      "votes_change_rate_pct": -38.723485,
      "baseline_vote_share_pct_muni": 26.796218,
      "target_vote_share_pct_muni": 22.419718,
      "vote_share_delta_pct_pt": -4.3765
    }
  ]
}