{
  "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": "TMI",
    "party_label": "みらい",
    "party_label_en": "Team Mirai",
    "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": -1.571186,
    "max_votes_change_rate_pct": 357.142857
  },
  "municipalities": [
    {
      "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": 14.0,
      "target_votes": 64.0,
      "votes_delta": 50.0,
      "votes_change_rate_pct": 357.142857,
      "baseline_vote_share_pct_muni": 1.596351,
      "target_vote_share_pct_muni": 6.896552,
      "vote_share_delta_pct_pt": 5.300201
    },
    {
      "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": 19.0,
      "target_votes": 77.0,
      "votes_delta": 58.0,
      "votes_change_rate_pct": 305.263158,
      "baseline_vote_share_pct_muni": 1.684397,
      "target_vote_share_pct_muni": 5.945946,
      "vote_share_delta_pct_pt": 4.261549
    },
    {
      "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": 4.0,
      "target_votes": 15.0,
      "votes_delta": 11.0,
      "votes_change_rate_pct": 275.0,
      "baseline_vote_share_pct_muni": 2.285714,
      "target_vote_share_pct_muni": 8.571429,
      "vote_share_delta_pct_pt": 6.285715
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "134023",
      "municipality_name": "青ヶ島村",
      "municipality_name_en": "Aogashima-mura",
      "baseline_votes": 4.0,
      "target_votes": 14.0,
      "votes_delta": 10.0,
      "votes_change_rate_pct": 250.0,
      "baseline_vote_share_pct_muni": 3.603604,
      "target_vote_share_pct_muni": 12.280702,
      "vote_share_delta_pct_pt": 8.677098
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133035",
      "municipality_name": "瑞穂町",
      "municipality_name_en": "Mizuho-machi",
      "baseline_votes": 262.0,
      "target_votes": 913.0,
      "votes_delta": 651.0,
      "votes_change_rate_pct": 248.473282,
      "baseline_vote_share_pct_muni": 1.926046,
      "target_vote_share_pct_muni": 6.965212,
      "vote_share_delta_pct_pt": 5.039166
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "134210",
      "municipality_name": "小笠原村",
      "municipality_name_en": "Ogasawara-mura",
      "baseline_votes": 40.0,
      "target_votes": 139.0,
      "votes_delta": 99.0,
      "votes_change_rate_pct": 247.5,
      "baseline_vote_share_pct_muni": 3.469211,
      "target_vote_share_pct_muni": 10.953507,
      "vote_share_delta_pct_pt": 7.484296
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132055",
      "municipality_name": "青梅市",
      "municipality_name_en": "Ome-shi",
      "baseline_votes": 1431.0,
      "target_votes": 4631.0,
      "votes_delta": 3200.0,
      "votes_change_rate_pct": 223.619846,
      "baseline_vote_share_pct_muni": 2.362166,
      "target_vote_share_pct_muni": 7.857943,
      "vote_share_delta_pct_pt": 5.495777
    },
    {
      "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": 20.0,
      "target_votes": 64.0,
      "votes_delta": 44.0,
      "votes_change_rate_pct": 220.0,
      "baseline_vote_share_pct_muni": 1.955034,
      "target_vote_share_pct_muni": 5.781391,
      "vote_share_delta_pct_pt": 3.826357
    },
    {
      "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": 825.0,
      "target_votes": 2616.0,
      "votes_delta": 1791.0,
      "votes_change_rate_pct": 217.090909,
      "baseline_vote_share_pct_muni": 2.255824,
      "target_vote_share_pct_muni": 7.395471,
      "vote_share_delta_pct_pt": 5.139647
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132233",
      "municipality_name": "武蔵村山市",
      "municipality_name_en": "Musashimurayama-shi",
      "baseline_votes": 655.0,
      "target_votes": 1981.0,
      "votes_delta": 1326.0,
      "votes_change_rate_pct": 202.442748,
      "baseline_vote_share_pct_muni": 2.141923,
      "target_vote_share_pct_muni": 6.887081,
      "vote_share_delta_pct_pt": 4.745158
    },
    {
      "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": 754.0,
      "target_votes": 2107.0,
      "votes_delta": 1353.0,
      "votes_change_rate_pct": 179.442971,
      "baseline_vote_share_pct_muni": 2.925315,
      "target_vote_share_pct_muni": 8.540738,
      "vote_share_delta_pct_pt": 5.615423
    },
    {
      "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": 1260.0,
      "target_votes": 3518.0,
      "votes_delta": 2258.0,
      "votes_change_rate_pct": 179.206349,
      "baseline_vote_share_pct_muni": 3.336511,
      "target_vote_share_pct_muni": 9.66882,
      "vote_share_delta_pct_pt": 6.332309
    },
    {
      "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": 169.0,
      "target_votes": 468.0,
      "votes_delta": 299.0,
      "votes_change_rate_pct": 176.923077,
      "baseline_vote_share_pct_muni": 2.314751,
      "target_vote_share_pct_muni": 6.449835,
      "vote_share_delta_pct_pt": 4.135084
    },
    {
      "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": 1265.0,
      "target_votes": 3422.0,
      "votes_delta": 2157.0,
      "votes_change_rate_pct": 170.513834,
      "baseline_vote_share_pct_muni": 3.035466,
      "target_vote_share_pct_muni": 8.560564,
      "vote_share_delta_pct_pt": 5.525098
    },
    {
      "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": 772.0,
      "target_votes": 2067.0,
      "votes_delta": 1295.0,
      "votes_change_rate_pct": 167.746114,
      "baseline_vote_share_pct_muni": 3.075942,
      "target_vote_share_pct_muni": 8.536384,
      "vote_share_delta_pct_pt": 5.460442
    },
    {
      "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": 2719.0,
      "target_votes": 7239.0,
      "votes_delta": 4520.0,
      "votes_change_rate_pct": 166.237587,
      "baseline_vote_share_pct_muni": 3.58603,
      "target_vote_share_pct_muni": 9.887453,
      "vote_share_delta_pct_pt": 6.301423
    },
    {
      "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": 82.0,
      "target_votes": 216.0,
      "votes_delta": 134.0,
      "votes_change_rate_pct": 163.414634,
      "baseline_vote_share_pct_muni": 2.57376,
      "target_vote_share_pct_muni": 6.463196,
      "vote_share_delta_pct_pt": 3.889436
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133086",
      "municipality_name": "奥多摩町",
      "municipality_name_en": "Okutama-machi",
      "baseline_votes": 50.0,
      "target_votes": 130.0,
      "votes_delta": 80.0,
      "votes_change_rate_pct": 160.0,
      "baseline_vote_share_pct_muni": 2.295684,
      "target_vote_share_pct_muni": 6.001847,
      "vote_share_delta_pct_pt": 3.706163
    },
    {
      "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": 2063.0,
      "target_votes": 5363.0,
      "votes_delta": 3300.0,
      "votes_change_rate_pct": 159.961222,
      "baseline_vote_share_pct_muni": 3.553343,
      "target_vote_share_pct_muni": 9.849222,
      "vote_share_delta_pct_pt": 6.295879
    },
    {
      "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": 8548.0,
      "target_votes": 21762.0,
      "votes_delta": 13214.0,
      "votes_change_rate_pct": 154.585868,
      "baseline_vote_share_pct_muni": 3.970993,
      "target_vote_share_pct_muni": 10.521481,
      "vote_share_delta_pct_pt": 6.550488
    },
    {
      "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": 2056.0,
      "target_votes": 5141.0,
      "votes_delta": 3085.0,
      "votes_change_rate_pct": 150.048638,
      "baseline_vote_share_pct_muni": 3.758684,
      "target_vote_share_pct_muni": 9.613299,
      "vote_share_delta_pct_pt": 5.854615
    },
    {
      "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": 20.0,
      "target_votes": 49.0,
      "votes_delta": 29.0,
      "votes_change_rate_pct": 145.0,
      "baseline_vote_share_pct_muni": 1.890359,
      "target_vote_share_pct_muni": 4.725169,
      "vote_share_delta_pct_pt": 2.83481
    },
    {
      "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": 92.0,
      "target_votes": 225.0,
      "votes_delta": 133.0,
      "votes_change_rate_pct": 144.565217,
      "baseline_vote_share_pct_muni": 2.83863,
      "target_vote_share_pct_muni": 6.381168,
      "vote_share_delta_pct_pt": 3.542538
    },
    {
      "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": 2439.027,
      "target_votes": 5769.0,
      "votes_delta": 3329.973,
      "votes_change_rate_pct": 136.528747,
      "baseline_vote_share_pct_muni": 5.109194,
      "target_vote_share_pct_muni": 12.492962,
      "vote_share_delta_pct_pt": 7.383768
    },
    {
      "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": 4367.0,
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      "votes_delta": 5916.0,
      "votes_change_rate_pct": 135.470575,
      "baseline_vote_share_pct_muni": 4.570334,
      "target_vote_share_pct_muni": 11.005747,
      "vote_share_delta_pct_pt": 6.435413
    },
    {
      "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": 3450.0,
      "target_votes": 8079.0,
      "votes_delta": 4629.0,
      "votes_change_rate_pct": 134.173913,
      "baseline_vote_share_pct_muni": 4.433422,
      "target_vote_share_pct_muni": 10.952943,
      "vote_share_delta_pct_pt": 6.519521
    },
    {
      "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": 4798.0,
      "target_votes": 11222.0,
      "votes_delta": 6424.0,
      "votes_change_rate_pct": 133.88912,
      "baseline_vote_share_pct_muni": 4.863561,
      "target_vote_share_pct_muni": 11.629136,
      "vote_share_delta_pct_pt": 6.765575
    },
    {
      "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": 6769.015,
      "target_votes": 15640.0,
      "votes_delta": 8870.985,
      "votes_change_rate_pct": 131.052819,
      "baseline_vote_share_pct_muni": 5.088681,
      "target_vote_share_pct_muni": 12.132213,
      "vote_share_delta_pct_pt": 7.043532
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "133620",
      "municipality_name": "利島村",
      "municipality_name_en": "Toshima-mura",
      "baseline_votes": 7.0,
      "target_votes": 16.0,
      "votes_delta": 9.0,
      "votes_change_rate_pct": 128.571429,
      "baseline_vote_share_pct_muni": 3.723404,
      "target_vote_share_pct_muni": 7.881773,
      "vote_share_delta_pct_pt": 4.158369
    },
    {
      "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": 3904.0,
      "target_votes": 8840.0,
      "votes_delta": 4936.0,
      "votes_change_rate_pct": 126.434426,
      "baseline_vote_share_pct_muni": 4.306722,
      "target_vote_share_pct_muni": 10.124727,
      "vote_share_delta_pct_pt": 5.818005
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131229",
      "municipality_name": "葛飾区",
      "municipality_name_en": "Katsushika-ku",
      "baseline_votes": 9332.0,
      "target_votes": 21114.0,
      "votes_delta": 11782.0,
      "votes_change_rate_pct": 126.253751,
      "baseline_vote_share_pct_muni": 4.269863,
      "target_vote_share_pct_muni": 10.259425,
      "vote_share_delta_pct_pt": 5.989562
    },
    {
      "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": 2535.0,
      "target_votes": 5646.0,
      "votes_delta": 3111.0,
      "votes_change_rate_pct": 122.721893,
      "baseline_vote_share_pct_muni": 5.765426,
      "target_vote_share_pct_muni": 13.259435,
      "vote_share_delta_pct_pt": 7.494009
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "132292",
      "municipality_name": "西東京市",
      "municipality_name_en": "Nishitokyo-shi",
      "baseline_votes": 5535.0,
      "target_votes": 12321.0,
      "votes_delta": 6786.0,
      "votes_change_rate_pct": 122.601626,
      "baseline_vote_share_pct_muni": 5.261107,
      "target_vote_share_pct_muni": 11.922895,
      "vote_share_delta_pct_pt": 6.661788
    },
    {
      "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": 2256.0,
      "target_votes": 4964.0,
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}
