{
  "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": "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": 17,
    "municipality_count": 17,
    "min_votes_change_rate_pct": -51.44488,
    "max_votes_change_rate_pct": -9.90099
  },
  "municipalities": [
    {
      "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": 101.0,
      "target_votes": 91.0,
      "votes_delta": -10.0,
      "votes_change_rate_pct": -9.90099,
      "baseline_vote_share_pct_muni": 1.31237,
      "target_vote_share_pct_muni": 1.183355,
      "vote_share_delta_pct_pt": -0.129015
    },
    {
      "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": 27.0,
      "target_votes": 23.0,
      "votes_delta": -4.0,
      "votes_change_rate_pct": -14.814815,
      "baseline_vote_share_pct_muni": 1.778656,
      "target_vote_share_pct_muni": 1.573187,
      "vote_share_delta_pct_pt": -0.205469
    },
    {
      "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": 123.0,
      "target_votes": 104.0,
      "votes_delta": -19.0,
      "votes_change_rate_pct": -15.447154,
      "baseline_vote_share_pct_muni": 1.849068,
      "target_vote_share_pct_muni": 1.511628,
      "vote_share_delta_pct_pt": -0.33744
    },
    {
      "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": 123.0,
      "target_votes": 103.0,
      "votes_delta": -20.0,
      "votes_change_rate_pct": -16.260163,
      "baseline_vote_share_pct_muni": 1.924581,
      "target_vote_share_pct_muni": 1.544923,
      "vote_share_delta_pct_pt": -0.379658
    },
    {
      "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": 225.0,
      "target_votes": 180.0,
      "votes_delta": -45.0,
      "votes_change_rate_pct": -20.0,
      "baseline_vote_share_pct_muni": 2.335236,
      "target_vote_share_pct_muni": 1.899536,
      "vote_share_delta_pct_pt": -0.4357
    },
    {
      "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": 65.0,
      "target_votes": 51.0,
      "votes_delta": -14.0,
      "votes_change_rate_pct": -21.538462,
      "baseline_vote_share_pct_muni": 1.702908,
      "target_vote_share_pct_muni": 1.346002,
      "vote_share_delta_pct_pt": -0.356906
    },
    {
      "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": 718.892,
      "target_votes": 541.0,
      "votes_delta": -177.892,
      "votes_change_rate_pct": -24.745302,
      "baseline_vote_share_pct_muni": 2.564083,
      "target_vote_share_pct_muni": 1.947164,
      "vote_share_delta_pct_pt": -0.616919
    },
    {
      "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": 153.0,
      "target_votes": 115.0,
      "votes_delta": -38.0,
      "votes_change_rate_pct": -24.836601,
      "baseline_vote_share_pct_muni": 1.133585,
      "target_vote_share_pct_muni": 0.837155,
      "vote_share_delta_pct_pt": -0.29643
    },
    {
      "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": 301.0,
      "target_votes": 224.0,
      "votes_delta": -77.0,
      "votes_change_rate_pct": -25.581395,
      "baseline_vote_share_pct_muni": 1.356773,
      "target_vote_share_pct_muni": 0.970874,
      "vote_share_delta_pct_pt": -0.385899
    },
    {
      "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": 258.976,
      "target_votes": 192.0,
      "votes_delta": -66.976,
      "votes_change_rate_pct": -25.861856,
      "baseline_vote_share_pct_muni": 1.878816,
      "target_vote_share_pct_muni": 1.421906,
      "vote_share_delta_pct_pt": -0.45691
    },
    {
      "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": 215.0,
      "target_votes": 157.0,
      "votes_delta": -58.0,
      "votes_change_rate_pct": -26.976744,
      "baseline_vote_share_pct_muni": 1.861633,
      "target_vote_share_pct_muni": 1.336057,
      "vote_share_delta_pct_pt": -0.525576
    },
    {
      "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": 306.0,
      "target_votes": 221.0,
      "votes_delta": -85.0,
      "votes_change_rate_pct": -27.777778,
      "baseline_vote_share_pct_muni": 1.380181,
      "target_vote_share_pct_muni": 0.993348,
      "vote_share_delta_pct_pt": -0.386833
    },
    {
      "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": 399.0,
      "target_votes": 278.0,
      "votes_delta": -121.0,
      "votes_change_rate_pct": -30.325815,
      "baseline_vote_share_pct_muni": 1.589198,
      "target_vote_share_pct_muni": 1.089641,
      "vote_share_delta_pct_pt": -0.499557
    },
    {
      "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": 189.0,
      "target_votes": 117.0,
      "votes_delta": -72.0,
      "votes_change_rate_pct": -38.095238,
      "baseline_vote_share_pct_muni": 1.452394,
      "target_vote_share_pct_muni": 0.909727,
      "vote_share_delta_pct_pt": -0.542667
    },
    {
      "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": 101.0,
      "target_votes": 61.0,
      "votes_delta": -40.0,
      "votes_change_rate_pct": -39.60396,
      "baseline_vote_share_pct_muni": 1.220396,
      "target_vote_share_pct_muni": 0.737427,
      "vote_share_delta_pct_pt": -0.482969
    },
    {
      "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": 802.0,
      "target_votes": 447.0,
      "votes_delta": -355.0,
      "votes_change_rate_pct": -44.264339,
      "baseline_vote_share_pct_muni": 1.654563,
      "target_vote_share_pct_muni": 1.259155,
      "vote_share_delta_pct_pt": -0.395408
    },
    {
      "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": 2803.0,
      "target_votes": 1361.0,
      "votes_delta": -1442.0,
      "votes_change_rate_pct": -51.44488,
      "baseline_vote_share_pct_muni": 1.444123,
      "target_vote_share_pct_muni": 0.871129,
      "vote_share_delta_pct_pt": -0.572994
    }
  ]
}