{
  "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": "13",
    "prefecture_name": "東京都",
    "prefecture_name_en": "Tokyo",
    "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": 62,
    "municipality_count": 62,
    "min_votes_change_rate_pct": -100.0,
    "max_votes_change_rate_pct": 9.52381
  },
  "municipalities": [
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133078",
      "municipality_name": "檜原村",
      "municipality_name_en": "Hinohara-mura",
      "baseline_votes": 21.0,
      "target_votes": 23.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 9.52381,
      "baseline_vote_share_pct_muni": 1.984877,
      "target_vote_share_pct_muni": 2.217936,
      "vote_share_delta_pct_pt": 0.233059
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133647",
      "municipality_name": "神津島村",
      "municipality_name_en": "Kouzushima-mura",
      "baseline_votes": 8.0,
      "target_votes": 8.0,
      "votes_delta": 0.0,
      "votes_change_rate_pct": 0.0,
      "baseline_vote_share_pct_muni": 0.912201,
      "target_vote_share_pct_muni": 0.862069,
      "vote_share_delta_pct_pt": -0.050132
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133825",
      "municipality_name": "御蔵島村",
      "municipality_name_en": "Mikurajima-mura",
      "baseline_votes": 5.0,
      "target_votes": 5.0,
      "votes_delta": 0.0,
      "votes_change_rate_pct": 0.0,
      "baseline_vote_share_pct_muni": 2.857143,
      "target_vote_share_pct_muni": 2.857143,
      "vote_share_delta_pct_pt": 0.0
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133817",
      "municipality_name": "三宅村",
      "municipality_name_en": "Miyake-mura",
      "baseline_votes": 19.0,
      "target_votes": 17.0,
      "votes_delta": -2.0,
      "votes_change_rate_pct": -10.526316,
      "baseline_vote_share_pct_muni": 1.857283,
      "target_vote_share_pct_muni": 1.535682,
      "vote_share_delta_pct_pt": -0.321601
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133612",
      "municipality_name": "大島町",
      "municipality_name_en": "Oshima-machi",
      "baseline_votes": 70.0,
      "target_votes": 47.0,
      "votes_delta": -23.0,
      "votes_change_rate_pct": -32.857143,
      "baseline_vote_share_pct_muni": 2.197112,
      "target_vote_share_pct_muni": 1.406344,
      "vote_share_delta_pct_pt": -0.790768
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "134015",
      "municipality_name": "八丈町",
      "municipality_name_en": "Hachijo-machi",
      "baseline_votes": 74.0,
      "target_votes": 47.0,
      "votes_delta": -27.0,
      "votes_change_rate_pct": -36.486486,
      "baseline_vote_share_pct_muni": 2.283246,
      "target_vote_share_pct_muni": 1.332955,
      "vote_share_delta_pct_pt": -0.950291
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133051",
      "municipality_name": "日の出町",
      "municipality_name_en": "Hinode-machi",
      "baseline_votes": 164.0,
      "target_votes": 104.0,
      "votes_delta": -60.0,
      "votes_change_rate_pct": -36.585366,
      "baseline_vote_share_pct_muni": 2.246268,
      "target_vote_share_pct_muni": 1.433297,
      "vote_share_delta_pct_pt": -0.812971
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132187",
      "municipality_name": "福生市",
      "municipality_name_en": "Fussa-shi",
      "baseline_votes": 585.0,
      "target_votes": 340.0,
      "votes_delta": -245.0,
      "votes_change_rate_pct": -41.880342,
      "baseline_vote_share_pct_muni": 2.269641,
      "target_vote_share_pct_muni": 1.378192,
      "vote_share_delta_pct_pt": -0.891449
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132217",
      "municipality_name": "清瀬市",
      "municipality_name_en": "Kiyose-shi",
      "baseline_votes": 1003.0,
      "target_votes": 580.0,
      "votes_delta": -423.0,
      "votes_change_rate_pct": -42.17348,
      "baseline_vote_share_pct_muni": 2.655969,
      "target_vote_share_pct_muni": 1.594063,
      "vote_share_delta_pct_pt": -1.061906
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132071",
      "municipality_name": "昭島市",
      "municipality_name_en": "Akishima-shi",
      "baseline_votes": 1410.0,
      "target_votes": 799.0,
      "votes_delta": -611.0,
      "votes_change_rate_pct": -43.333333,
      "baseline_vote_share_pct_muni": 2.577697,
      "target_vote_share_pct_muni": 1.494072,
      "vote_share_delta_pct_pt": -1.083625
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132152",
      "municipality_name": "国立市",
      "municipality_name_en": "Kunitachi-shi",
      "baseline_votes": 1486.0,
      "target_votes": 842.0,
      "votes_delta": -644.0,
      "votes_change_rate_pct": -43.33782,
      "baseline_vote_share_pct_muni": 3.627044,
      "target_vote_share_pct_muni": 2.07932,
      "vote_share_delta_pct_pt": -1.547724
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132047",
      "municipality_name": "三鷹市",
      "municipality_name_en": "Mitaka-shi",
      "baseline_votes": 2844.0,
      "target_votes": 1608.0,
      "votes_delta": -1236.0,
      "votes_change_rate_pct": -43.459916,
      "baseline_vote_share_pct_muni": 2.813112,
      "target_vote_share_pct_muni": 1.648369,
      "vote_share_delta_pct_pt": -1.164743
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132284",
      "municipality_name": "あきる野市",
      "municipality_name_en": "Akiruno-shi",
      "baseline_votes": 820.0,
      "target_votes": 453.0,
      "votes_delta": -367.0,
      "votes_change_rate_pct": -44.756098,
      "baseline_vote_share_pct_muni": 2.242152,
      "target_vote_share_pct_muni": 1.280638,
      "vote_share_delta_pct_pt": -0.961514
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132241",
      "municipality_name": "多摩市",
      "municipality_name_en": "Tama-shi",
      "baseline_votes": 2404.734,
      "target_votes": 1307.0,
      "votes_delta": -1097.734,
      "votes_change_rate_pct": -45.648874,
      "baseline_vote_share_pct_muni": 3.090203,
      "target_vote_share_pct_muni": 1.771939,
      "vote_share_delta_pct_pt": -1.318264
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132250",
      "municipality_name": "稲城市",
      "municipality_name_en": "Inagi-shi",
      "baseline_votes": 1070.0,
      "target_votes": 578.0,
      "votes_delta": -492.0,
      "votes_change_rate_pct": -45.981308,
      "baseline_vote_share_pct_muni": 2.241401,
      "target_vote_share_pct_muni": 1.251678,
      "vote_share_delta_pct_pt": -0.989723
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132098",
      "municipality_name": "町田市",
      "municipality_name_en": "Machida-shi",
      "baseline_votes": 5433.583,
      "target_votes": 2932.0,
      "votes_delta": -2501.583,
      "votes_change_rate_pct": -46.039289,
      "baseline_vote_share_pct_muni": 2.524184,
      "target_vote_share_pct_muni": 1.417562,
      "vote_share_delta_pct_pt": -1.106622
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132136",
      "municipality_name": "東村山市",
      "municipality_name_en": "Higashimurayama-shi",
      "baseline_votes": 1875.649,
      "target_votes": 1009.0,
      "votes_delta": -866.649,
      "votes_change_rate_pct": -46.205287,
      "baseline_vote_share_pct_muni": 2.473753,
      "target_vote_share_pct_muni": 1.378152,
      "vote_share_delta_pct_pt": -1.095601
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132110",
      "municipality_name": "小平市",
      "municipality_name_en": "Kodaira-shi",
      "baseline_votes": 2758.0,
      "target_votes": 1477.0,
      "votes_delta": -1281.0,
      "votes_change_rate_pct": -46.446701,
      "baseline_vote_share_pct_muni": 2.795686,
      "target_vote_share_pct_muni": 1.530586,
      "vote_share_delta_pct_pt": -1.2651
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132276",
      "municipality_name": "羽村市",
      "municipality_name_en": "Hamura-shi",
      "baseline_votes": 567.0,
      "target_votes": 303.0,
      "votes_delta": -264.0,
      "votes_change_rate_pct": -46.560847,
      "baseline_vote_share_pct_muni": 2.259144,
      "target_vote_share_pct_muni": 1.251342,
      "vote_share_delta_pct_pt": -1.007802
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132225",
      "municipality_name": "東久留米市",
      "municipality_name_en": "Higashikurume-shi",
      "baseline_votes": 1700.0,
      "target_votes": 903.0,
      "votes_delta": -797.0,
      "votes_change_rate_pct": -46.882353,
      "baseline_vote_share_pct_muni": 2.928106,
      "target_vote_share_pct_muni": 1.658372,
      "vote_share_delta_pct_pt": -1.269734
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132020",
      "municipality_name": "立川市",
      "municipality_name_en": "Tachikawa-shi",
      "baseline_votes": 2037.0,
      "target_votes": 1081.0,
      "votes_delta": -956.0,
      "votes_change_rate_pct": -46.931762,
      "baseline_vote_share_pct_muni": 2.247129,
      "target_vote_share_pct_muni": 1.238103,
      "vote_share_delta_pct_pt": -1.009026
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132128",
      "municipality_name": "日野市",
      "municipality_name_en": "Hino-shi",
      "baseline_votes": 2603.0,
      "target_votes": 1380.0,
      "votes_delta": -1223.0,
      "votes_change_rate_pct": -46.984249,
      "baseline_vote_share_pct_muni": 2.7242,
      "target_vote_share_pct_muni": 1.476994,
      "vote_share_delta_pct_pt": -1.247206
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132080",
      "municipality_name": "調布市",
      "municipality_name_en": "Chofu-shi",
      "baseline_votes": 3475.0,
      "target_votes": 1831.0,
      "votes_delta": -1644.0,
      "votes_change_rate_pct": -47.309353,
      "baseline_vote_share_pct_muni": 2.73801,
      "target_vote_share_pct_muni": 1.484177,
      "vote_share_delta_pct_pt": -1.253833
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132039",
      "municipality_name": "武蔵野市",
      "municipality_name_en": "Musashino-shi",
      "baseline_votes": 2637.0,
      "target_votes": 1363.0,
      "votes_delta": -1274.0,
      "votes_change_rate_pct": -48.312476,
      "baseline_vote_share_pct_muni": 3.264179,
      "target_vote_share_pct_muni": 1.687779,
      "vote_share_delta_pct_pt": -1.5764
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132209",
      "municipality_name": "東大和市",
      "municipality_name_en": "Higashiyamato-shi",
      "baseline_votes": 997.0,
      "target_votes": 511.0,
      "votes_delta": -486.0,
      "votes_change_rate_pct": -48.746239,
      "baseline_vote_share_pct_muni": 2.392379,
      "target_vote_share_pct_muni": 1.278331,
      "vote_share_delta_pct_pt": -1.114048
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132101",
      "municipality_name": "小金井市",
      "municipality_name_en": "Koganei-shi",
      "baseline_votes": 2037.0,
      "target_votes": 1037.0,
      "votes_delta": -1000.0,
      "votes_change_rate_pct": -49.091802,
      "baseline_vote_share_pct_muni": 3.128648,
      "target_vote_share_pct_muni": 1.603079,
      "vote_share_delta_pct_pt": -1.525569
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131180",
      "municipality_name": "荒川区",
      "municipality_name_en": "Arakawa-ku",
      "baseline_votes": 2085.892,
      "target_votes": 1059.0,
      "votes_delta": -1026.892,
      "votes_change_rate_pct": -49.230353,
      "baseline_vote_share_pct_muni": 1.989899,
      "target_vote_share_pct_muni": 1.035211,
      "vote_share_delta_pct_pt": -0.954688
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131172",
      "municipality_name": "北区",
      "municipality_name_en": "Kita-ku",
      "baseline_votes": 4318.315,
      "target_votes": 2181.0,
      "votes_delta": -2137.315,
      "votes_change_rate_pct": -49.494189,
      "baseline_vote_share_pct_muni": 2.367848,
      "target_vote_share_pct_muni": 1.22867,
      "vote_share_delta_pct_pt": -1.139178
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132144",
      "municipality_name": "国分寺市",
      "municipality_name_en": "Kokubunji-shi",
      "baseline_votes": 2114.0,
      "target_votes": 1067.0,
      "votes_delta": -1047.0,
      "votes_change_rate_pct": -49.526963,
      "baseline_vote_share_pct_muni": 3.05187,
      "target_vote_share_pct_muni": 1.556278,
      "vote_share_delta_pct_pt": -1.495592
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132195",
      "municipality_name": "狛江市",
      "municipality_name_en": "Komae-shi",
      "baseline_votes": 1270.867,
      "target_votes": 638.0,
      "votes_delta": -632.867,
      "votes_change_rate_pct": -49.798051,
      "baseline_vote_share_pct_muni": 2.89037,
      "target_vote_share_pct_muni": 1.498321,
      "vote_share_delta_pct_pt": -1.392049
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131148",
      "municipality_name": "中野区",
      "municipality_name_en": "Nakano-ku",
      "baseline_votes": 4282.0,
      "target_votes": 2149.0,
      "votes_delta": -2133.0,
      "votes_change_rate_pct": -49.813171,
      "baseline_vote_share_pct_muni": 2.467101,
      "target_vote_share_pct_muni": 1.279487,
      "vote_share_delta_pct_pt": -1.187614
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133639",
      "municipality_name": "新島村",
      "municipality_name_en": "Niijima-mura",
      "baseline_votes": 12.0,
      "target_votes": 6.0,
      "votes_delta": -6.0,
      "votes_change_rate_pct": -50.0,
      "baseline_vote_share_pct_muni": 1.06383,
      "target_vote_share_pct_muni": 0.46332,
      "vote_share_delta_pct_pt": -0.60051
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131040",
      "municipality_name": "新宿区",
      "municipality_name_en": "Shinjuku-ku",
      "baseline_votes": 4201.0,
      "target_votes": 2089.0,
      "votes_delta": -2112.0,
      "votes_change_rate_pct": -50.273744,
      "baseline_vote_share_pct_muni": 2.578313,
      "target_vote_share_pct_muni": 1.316445,
      "vote_share_delta_pct_pt": -1.261868
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132063",
      "municipality_name": "府中市",
      "municipality_name_en": "Fuchu-shi",
      "baseline_votes": 3716.0,
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