{
  "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": "JHP",
    "party_label": "保守",
    "party_label_en": "Japan Conservative 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": -48.579545,
    "max_votes_change_rate_pct": -25.0
  },
  "municipalities": [
    {
      "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": 172.0,
      "target_votes": 129.0,
      "votes_delta": -43.0,
      "votes_change_rate_pct": -25.0,
      "baseline_vote_share_pct_muni": 2.691285,
      "target_vote_share_pct_muni": 1.934903,
      "vote_share_delta_pct_pt": -0.756382
    },
    {
      "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": 363.0,
      "target_votes": 258.0,
      "votes_delta": -105.0,
      "votes_change_rate_pct": -28.92562,
      "baseline_vote_share_pct_muni": 3.143129,
      "target_vote_share_pct_muni": 2.195558,
      "vote_share_delta_pct_pt": -0.947571
    },
    {
      "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": 364.0,
      "target_votes": 258.0,
      "votes_delta": -106.0,
      "votes_change_rate_pct": -29.120879,
      "baseline_vote_share_pct_muni": 3.777893,
      "target_vote_share_pct_muni": 2.722668,
      "vote_share_delta_pct_pt": -1.055225
    },
    {
      "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": 195.0,
      "target_votes": 138.0,
      "votes_delta": -57.0,
      "votes_change_rate_pct": -29.230769,
      "baseline_vote_share_pct_muni": 2.931449,
      "target_vote_share_pct_muni": 2.005814,
      "vote_share_delta_pct_pt": -0.925635
    },
    {
      "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": 1103.0,
      "target_votes": 754.0,
      "votes_delta": -349.0,
      "votes_change_rate_pct": -31.640979,
      "baseline_vote_share_pct_muni": 3.934087,
      "target_vote_share_pct_muni": 2.713792,
      "vote_share_delta_pct_pt": -1.220295
    },
    {
      "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": 799.0,
      "target_votes": 540.0,
      "votes_delta": -259.0,
      "votes_change_rate_pct": -32.415519,
      "baseline_vote_share_pct_muni": 3.601533,
      "target_vote_share_pct_muni": 2.340499,
      "vote_share_delta_pct_pt": -1.261034
    },
    {
      "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": 566.0,
      "target_votes": 377.0,
      "votes_delta": -189.0,
      "votes_change_rate_pct": -33.392226,
      "baseline_vote_share_pct_muni": 4.10621,
      "target_vote_share_pct_muni": 2.791972,
      "vote_share_delta_pct_pt": -1.314238
    },
    {
      "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": 668.0,
      "target_votes": 433.0,
      "votes_delta": -235.0,
      "votes_change_rate_pct": -35.179641,
      "baseline_vote_share_pct_muni": 3.012945,
      "target_vote_share_pct_muni": 1.946242,
      "vote_share_delta_pct_pt": -1.066703
    },
    {
      "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": 331.0,
      "target_votes": 213.0,
      "votes_delta": -118.0,
      "votes_change_rate_pct": -35.649547,
      "baseline_vote_share_pct_muni": 2.452397,
      "target_vote_share_pct_muni": 1.550557,
      "vote_share_delta_pct_pt": -0.90184
    },
    {
      "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": 148.0,
      "target_votes": 95.0,
      "votes_delta": -53.0,
      "votes_change_rate_pct": -35.810811,
      "baseline_vote_share_pct_muni": 3.877391,
      "target_vote_share_pct_muni": 2.507258,
      "vote_share_delta_pct_pt": -1.370133
    },
    {
      "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": 406.0,
      "target_votes": 244.0,
      "votes_delta": -162.0,
      "votes_change_rate_pct": -39.901478,
      "baseline_vote_share_pct_muni": 4.905752,
      "target_vote_share_pct_muni": 2.94971,
      "vote_share_delta_pct_pt": -1.956042
    },
    {
      "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": 57.0,
      "target_votes": 34.0,
      "votes_delta": -23.0,
      "votes_change_rate_pct": -40.350877,
      "baseline_vote_share_pct_muni": 3.754941,
      "target_vote_share_pct_muni": 2.325581,
      "vote_share_delta_pct_pt": -1.42936
    },
    {
      "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": 265.0,
      "target_votes": 157.0,
      "votes_delta": -108.0,
      "votes_change_rate_pct": -40.754717,
      "baseline_vote_share_pct_muni": 3.443347,
      "target_vote_share_pct_muni": 2.041612,
      "vote_share_delta_pct_pt": -1.401735
    },
    {
      "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": 1133.0,
      "target_votes": 671.0,
      "votes_delta": -462.0,
      "votes_change_rate_pct": -40.776699,
      "baseline_vote_share_pct_muni": 4.512686,
      "target_vote_share_pct_muni": 2.630032,
      "vote_share_delta_pct_pt": -1.882654
    },
    {
      "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": 463.0,
      "target_votes": 273.0,
      "votes_delta": -190.0,
      "votes_change_rate_pct": -41.036717,
      "baseline_vote_share_pct_muni": 3.55798,
      "target_vote_share_pct_muni": 2.122697,
      "vote_share_delta_pct_pt": -1.435283
    },
    {
      "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": 2214.0,
      "target_votes": 1144.0,
      "votes_delta": -1070.0,
      "votes_change_rate_pct": -48.328817,
      "baseline_vote_share_pct_muni": 4.567585,
      "target_vote_share_pct_muni": 3.222535,
      "vote_share_delta_pct_pt": -1.34505
    },
    {
      "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": 8800.0,
      "target_votes": 4525.0,
      "votes_delta": -4275.0,
      "votes_change_rate_pct": -48.579545,
      "baseline_vote_share_pct_muni": 4.533816,
      "target_vote_share_pct_muni": 2.896297,
      "vote_share_delta_pct_pt": -1.637519
    }
  ]
}