{
  "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": "REI",
    "party_label": "れいわ",
    "party_label_en": "Reiwa Shinsengumi",
    "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": -62.402555,
    "max_votes_change_rate_pct": -42.424242
  },
  "municipalities": [
    {
      "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": 66.0,
      "target_votes": 38.0,
      "votes_delta": -28.0,
      "votes_change_rate_pct": -42.424242,
      "baseline_vote_share_pct_muni": 4.347826,
      "target_vote_share_pct_muni": 2.599179,
      "vote_share_delta_pct_pt": -1.748647
    },
    {
      "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": 272.0,
      "target_votes": 155.0,
      "votes_delta": -117.0,
      "votes_change_rate_pct": -43.014706,
      "baseline_vote_share_pct_muni": 4.255985,
      "target_vote_share_pct_muni": 2.324884,
      "vote_share_delta_pct_pt": -1.931101
    },
    {
      "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": 846.86,
      "target_votes": 463.0,
      "votes_delta": -383.86,
      "votes_change_rate_pct": -45.327445,
      "baseline_vote_share_pct_muni": 3.817264,
      "target_vote_share_pct_muni": 2.006761,
      "vote_share_delta_pct_pt": -1.810503
    },
    {
      "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": 460.125,
      "target_votes": 246.0,
      "votes_delta": -214.125,
      "votes_change_rate_pct": -46.536267,
      "baseline_vote_share_pct_muni": 3.984111,
      "target_vote_share_pct_muni": 2.093439,
      "vote_share_delta_pct_pt": -1.890672
    },
    {
      "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": 206.0,
      "target_votes": 110.0,
      "votes_delta": -96.0,
      "votes_change_rate_pct": -46.601942,
      "baseline_vote_share_pct_muni": 5.396909,
      "target_vote_share_pct_muni": 2.903141,
      "vote_share_delta_pct_pt": -2.493768
    },
    {
      "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": 464.0,
      "target_votes": 242.0,
      "votes_delta": -222.0,
      "votes_change_rate_pct": -47.844828,
      "baseline_vote_share_pct_muni": 4.815776,
      "target_vote_share_pct_muni": 2.55382,
      "vote_share_delta_pct_pt": -2.261956
    },
    {
      "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": 351.0,
      "target_votes": 179.0,
      "votes_delta": -172.0,
      "votes_change_rate_pct": -49.002849,
      "baseline_vote_share_pct_muni": 5.276609,
      "target_vote_share_pct_muni": 2.601744,
      "vote_share_delta_pct_pt": -2.674865
    },
    {
      "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": 502.0,
      "target_votes": 253.0,
      "votes_delta": -249.0,
      "votes_change_rate_pct": -49.601594,
      "baseline_vote_share_pct_muni": 3.719345,
      "target_vote_share_pct_muni": 1.841741,
      "vote_share_delta_pct_pt": -1.877604
    },
    {
      "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": 806.743,
      "target_votes": 396.0,
      "votes_delta": -410.743,
      "votes_change_rate_pct": -50.913736,
      "baseline_vote_share_pct_muni": 3.638731,
      "target_vote_share_pct_muni": 1.779935,
      "vote_share_delta_pct_pt": -1.858796
    },
    {
      "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": 460.0,
      "target_votes": 224.0,
      "votes_delta": -236.0,
      "votes_change_rate_pct": -51.304348,
      "baseline_vote_share_pct_muni": 5.558241,
      "target_vote_share_pct_muni": 2.70793,
      "vote_share_delta_pct_pt": -2.850311
    },
    {
      "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": 1344.0,
      "target_votes": 651.0,
      "votes_delta": -693.0,
      "votes_change_rate_pct": -51.5625,
      "baseline_vote_share_pct_muni": 5.353089,
      "target_vote_share_pct_muni": 2.55164,
      "vote_share_delta_pct_pt": -2.801449
    },
    {
      "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": 1371.0,
      "target_votes": 662.0,
      "votes_delta": -709.0,
      "votes_change_rate_pct": -51.714077,
      "baseline_vote_share_pct_muni": 4.889967,
      "target_vote_share_pct_muni": 2.382666,
      "vote_share_delta_pct_pt": -2.507301
    },
    {
      "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": 367.0,
      "target_votes": 165.0,
      "votes_delta": -202.0,
      "votes_change_rate_pct": -55.040872,
      "baseline_vote_share_pct_muni": 4.768711,
      "target_vote_share_pct_muni": 2.145644,
      "vote_share_delta_pct_pt": -2.623067
    },
    {
      "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": 702.0,
      "target_votes": 314.0,
      "votes_delta": -388.0,
      "votes_change_rate_pct": -55.270655,
      "baseline_vote_share_pct_muni": 5.092861,
      "target_vote_share_pct_muni": 2.325409,
      "vote_share_delta_pct_pt": -2.767452
    },
    {
      "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": 611.631,
      "target_votes": 258.0,
      "votes_delta": -353.631,
      "votes_change_rate_pct": -57.817704,
      "baseline_vote_share_pct_muni": 4.700154,
      "target_vote_share_pct_muni": 2.006065,
      "vote_share_delta_pct_pt": -2.694089
    },
    {
      "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": 8920.971,
      "target_votes": 3392.0,
      "votes_delta": -5528.971,
      "votes_change_rate_pct": -61.977233,
      "baseline_vote_share_pct_muni": 4.596141,
      "target_vote_share_pct_muni": 2.171102,
      "vote_share_delta_pct_pt": -2.425039
    },
    {
      "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": 2683.693,
      "target_votes": 1009.0,
      "votes_delta": -1674.693,
      "votes_change_rate_pct": -62.402555,
      "baseline_vote_share_pct_muni": 5.536584,
      "target_vote_share_pct_muni": 2.842254,
      "vote_share_delta_pct_pt": -2.69433
    }
  ]
}