{
  "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": "LDP",
    "party_label": "自民",
    "party_label_en": "Liberal 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": 17,
    "municipality_count": 17,
    "min_votes_change_rate_pct": 28.549507,
    "max_votes_change_rate_pct": 111.478784
  },
  "municipalities": [
    {
      "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": 1530.65,
      "target_votes": 3237.0,
      "votes_delta": 1706.35,
      "votes_change_rate_pct": 111.478784,
      "baseline_vote_share_pct_muni": 18.495046,
      "target_vote_share_pct_muni": 39.132012,
      "vote_share_delta_pct_pt": 20.636966
    },
    {
      "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": 5582.471,
      "target_votes": 9998.0,
      "votes_delta": 4415.529,
      "votes_change_rate_pct": 79.096318,
      "baseline_vote_share_pct_muni": 25.163268,
      "target_vote_share_pct_muni": 43.333911,
      "vote_share_delta_pct_pt": 18.170643
    },
    {
      "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": 2926.0,
      "target_votes": 4907.0,
      "votes_delta": 1981.0,
      "votes_change_rate_pct": 67.703349,
      "baseline_vote_share_pct_muni": 25.335527,
      "target_vote_share_pct_muni": 41.758148,
      "vote_share_delta_pct_pt": 16.422621
    },
    {
      "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": 2845.999,
      "target_votes": 4742.0,
      "votes_delta": 1896.001,
      "votes_change_rate_pct": 66.619876,
      "baseline_vote_share_pct_muni": 21.87043,
      "target_vote_share_pct_muni": 36.871161,
      "vote_share_delta_pct_pt": 15.000731
    },
    {
      "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": 6463.937,
      "target_votes": 10579.0,
      "votes_delta": 4115.063,
      "votes_change_rate_pct": 63.661867,
      "baseline_vote_share_pct_muni": 25.745557,
      "target_vote_share_pct_muni": 41.465135,
      "vote_share_delta_pct_pt": 15.719578
    },
    {
      "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": 4960.848,
      "target_votes": 7799.0,
      "votes_delta": 2838.152,
      "votes_change_rate_pct": 57.211025,
      "baseline_vote_share_pct_muni": 22.375391,
      "target_vote_share_pct_muni": 35.054836,
      "vote_share_delta_pct_pt": 12.679445
    },
    {
      "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": 3238.281,
      "target_votes": 5086.0,
      "votes_delta": 1847.719,
      "votes_change_rate_pct": 57.058637,
      "baseline_vote_share_pct_muni": 23.992598,
      "target_vote_share_pct_muni": 37.024096,
      "vote_share_delta_pct_pt": 13.031498
    },
    {
      "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": 3969.6,
      "target_votes": 6071.0,
      "votes_delta": 2101.4,
      "votes_change_rate_pct": 52.937324,
      "baseline_vote_share_pct_muni": 28.798607,
      "target_vote_share_pct_muni": 44.960379,
      "vote_share_delta_pct_pt": 16.161772
    },
    {
      "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": 363.0,
      "target_votes": 551.0,
      "votes_delta": 188.0,
      "votes_change_rate_pct": 51.790634,
      "baseline_vote_share_pct_muni": 23.913043,
      "target_vote_share_pct_muni": 37.688098,
      "vote_share_delta_pct_pt": 13.775055
    },
    {
      "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": 2204.582,
      "target_votes": 3342.0,
      "votes_delta": 1137.418,
      "votes_change_rate_pct": 51.593363,
      "baseline_vote_share_pct_muni": 28.645816,
      "target_vote_share_pct_muni": 43.459038,
      "vote_share_delta_pct_pt": 14.813222
    },
    {
      "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": 2429.0,
      "target_votes": 3641.0,
      "votes_delta": 1212.0,
      "votes_change_rate_pct": 49.897077,
      "baseline_vote_share_pct_muni": 25.210171,
      "target_vote_share_pct_muni": 38.423385,
      "vote_share_delta_pct_pt": 13.213214
    },
    {
      "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": 7728.274,
      "target_votes": 11557.0,
      "votes_delta": 3828.726,
      "votes_change_rate_pct": 49.541799,
      "baseline_vote_share_pct_muni": 27.564554,
      "target_vote_share_pct_muni": 41.595883,
      "vote_share_delta_pct_pt": 14.031329
    },
    {
      "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": 40423.441,
      "target_votes": 59749.0,
      "votes_delta": 19325.559,
      "votes_change_rate_pct": 47.807803,
      "baseline_vote_share_pct_muni": 20.826412,
      "target_vote_share_pct_muni": 38.243276,
      "vote_share_delta_pct_pt": 17.416864
    },
    {
      "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": 1114.241,
      "target_votes": 1610.0,
      "votes_delta": 495.759,
      "votes_change_rate_pct": 44.492978,
      "baseline_vote_share_pct_muni": 29.191538,
      "target_vote_share_pct_muni": 42.491423,
      "vote_share_delta_pct_pt": 13.299885
    },
    {
      "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": 2104.125,
      "target_votes": 3037.0,
      "votes_delta": 932.875,
      "votes_change_rate_pct": 44.335531,
      "baseline_vote_share_pct_muni": 31.631464,
      "target_vote_share_pct_muni": 44.142442,
      "vote_share_delta_pct_pt": 12.510978
    },
    {
      "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": 2118.39,
      "target_votes": 3017.0,
      "votes_delta": 898.61,
      "votes_change_rate_pct": 42.419479,
      "baseline_vote_share_pct_muni": 33.146456,
      "target_vote_share_pct_muni": 45.252737,
      "vote_share_delta_pct_pt": 12.106281
    },
    {
      "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": 10819.178,
      "target_votes": 13908.0,
      "votes_delta": 3088.822,
      "votes_change_rate_pct": 28.549507,
      "baseline_vote_share_pct_muni": 22.32047,
      "target_vote_share_pct_muni": 39.177465,
      "vote_share_delta_pct_pt": 16.856995
    }
  ]
}