{
  "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": "",
    "prefecture_name": "全国",
    "prefecture_name_en": "National",
    "party_id": "SAN",
    "party_label": "参政",
    "party_label_en": "Sanseito",
    "scope": "nationwide-ranking",
    "ranking_id": "worst50",
    "ranking_label": "全国 Worst 50",
    "ranking_label_en": "National Worst 50"
  },
  "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": 50,
    "municipality_count": 50,
    "min_votes_change_rate_pct": -99.950127,
    "max_votes_change_rate_pct": -55.797615
  },
  "municipalities": [
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422029",
      "municipality_name": "佐世保市",
      "municipality_name_en": "Sasebo-shi",
      "baseline_votes": 14685.207,
      "target_votes": 7.324,
      "votes_delta": -14677.883,
      "votes_change_rate_pct": -99.950127,
      "baseline_vote_share_pct_muni": 14.533765,
      "target_vote_share_pct_muni": 7.324,
      "vote_share_delta_pct_pt": -7.209765
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422010",
      "municipality_name": "長崎市",
      "municipality_name_en": "Nagasaki-shi",
      "baseline_votes": 22165.001,
      "target_votes": 11.556,
      "votes_delta": -22153.445,
      "votes_change_rate_pct": -99.947864,
      "baseline_vote_share_pct_muni": 12.382267,
      "target_vote_share_pct_muni": 6.38453,
      "vote_share_delta_pct_pt": -5.997737
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423076",
      "municipality_name": "長与町",
      "municipality_name_en": "Nagayo-cho",
      "baseline_votes": 2423.0,
      "target_votes": 1.344,
      "votes_delta": -2421.656,
      "votes_change_rate_pct": -99.944532,
      "baseline_vote_share_pct_muni": 12.608628,
      "target_vote_share_pct_muni": 0.06747,
      "vote_share_delta_pct_pt": -12.541158
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422053",
      "municipality_name": "大村市",
      "municipality_name_en": "Omura-shi",
      "baseline_votes": 6607.647,
      "target_votes": 3.766,
      "votes_delta": -6603.881,
      "votes_change_rate_pct": -99.943005,
      "baseline_vote_share_pct_muni": 15.105265,
      "target_vote_share_pct_muni": 0.162188,
      "vote_share_delta_pct_pt": -14.943077
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422118",
      "municipality_name": "五島市",
      "municipality_name_en": "Goto-shi",
      "baseline_votes": 1715.0,
      "target_votes": 1.021,
      "votes_delta": -1713.979,
      "votes_change_rate_pct": -99.940466,
      "baseline_vote_share_pct_muni": 10.8737,
      "target_vote_share_pct_muni": 0.043539,
      "vote_share_delta_pct_pt": -10.830161
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422045",
      "municipality_name": "諫早市",
      "municipality_name_en": "Isahaya-shi",
      "baseline_votes": 7446.928,
      "target_votes": 4.563,
      "votes_delta": -7442.365,
      "votes_change_rate_pct": -99.938726,
      "baseline_vote_share_pct_muni": 12.515635,
      "target_vote_share_pct_muni": 0.437908,
      "vote_share_delta_pct_pt": -12.077727
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422037",
      "municipality_name": "島原市",
      "municipality_name_en": "Shimabara-shi",
      "baseline_votes": 2132.729,
      "target_votes": 1.311,
      "votes_delta": -2131.418,
      "votes_change_rate_pct": -99.938529,
      "baseline_vote_share_pct_muni": 11.990381,
      "target_vote_share_pct_muni": 0.036396,
      "vote_share_delta_pct_pt": -11.953985
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422134",
      "municipality_name": "雲仙市",
      "municipality_name_en": "Unzen-shi",
      "baseline_votes": 2111.0,
      "target_votes": 1.424,
      "votes_delta": -2109.576,
      "votes_change_rate_pct": -99.932544,
      "baseline_vote_share_pct_muni": 12.20584,
      "target_vote_share_pct_muni": 0.043073,
      "vote_share_delta_pct_pt": -12.162767
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422142",
      "municipality_name": "南島原市",
      "municipality_name_en": "Minamishimabara-shi",
      "baseline_votes": 1811.0,
      "target_votes": 1.252,
      "votes_delta": -1809.748,
      "votes_change_rate_pct": -99.930867,
      "baseline_vote_share_pct_muni": 10.185602,
      "target_vote_share_pct_muni": 0.044955,
      "vote_share_delta_pct_pt": -10.140647
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131121",
      "municipality_name": "世田谷区",
      "municipality_name_en": "Setagaya-ku",
      "baseline_votes": 55619.029,
      "target_votes": 14547.0,
      "votes_delta": -41072.029,
      "votes_change_rate_pct": -73.845282,
      "baseline_vote_share_pct_muni": 11.379457,
      "target_vote_share_pct_muni": 5.946726,
      "vote_share_delta_pct_pt": -5.432731
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "293229",
      "municipality_name": "山添村",
      "municipality_name_en": "Yamazoe-mura",
      "baseline_votes": 204.0,
      "target_votes": 54.0,
      "votes_delta": -150.0,
      "votes_change_rate_pct": -73.529412,
      "baseline_vote_share_pct_muni": 10.159363,
      "target_vote_share_pct_muni": 2.698651,
      "vote_share_delta_pct_pt": -7.460712
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131202",
      "municipality_name": "練馬区",
      "municipality_name_en": "Nerima-ku",
      "baseline_votes": 44516.862,
      "target_votes": 12149.0,
      "votes_delta": -32367.862,
      "votes_change_rate_pct": -72.709217,
      "baseline_vote_share_pct_muni": 11.647104,
      "target_vote_share_pct_muni": 6.375687,
      "vote_share_delta_pct_pt": -5.271417
    },
    {
      "prefecture_code": "12",
      "prefecture_name": "千葉県",
      "prefecture_name_en": "Chiba",
      "jis_code": "122041",
      "municipality_name": "船橋市",
      "municipality_name_en": "Funabashi-shi",
      "baseline_votes": 35670.509,
      "target_votes": 10717.0,
      "votes_delta": -24953.509,
      "votes_change_rate_pct": -69.955573,
      "baseline_vote_share_pct_muni": 12.144227,
      "target_vote_share_pct_muni": 7.238771,
      "vote_share_delta_pct_pt": -4.905456
    },
    {
      "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": 16.0,
      "target_votes": 5.0,
      "votes_delta": -11.0,
      "votes_change_rate_pct": -68.75,
      "baseline_vote_share_pct_muni": 9.142857,
      "target_vote_share_pct_muni": 2.857143,
      "vote_share_delta_pct_pt": -6.285714
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294012",
      "municipality_name": "高取町",
      "municipality_name_en": "Takatori-cho",
      "baseline_votes": 354.0,
      "target_votes": 125.0,
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      "votes_change_rate_pct": -64.689266,
      "baseline_vote_share_pct_muni": 11.353432,
      "target_vote_share_pct_muni": 3.813301,
      "vote_share_delta_pct_pt": -7.540131
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294438",
      "municipality_name": "下市町",
      "municipality_name_en": "Shimoichi-cho",
      "baseline_votes": 225.0,
      "target_votes": 83.0,
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      "votes_change_rate_pct": -63.111111,
      "baseline_vote_share_pct_muni": 8.627301,
      "target_vote_share_pct_muni": 3.203396,
      "vote_share_delta_pct_pt": -5.423905
    },
    {
      "prefecture_code": "12",
      "prefecture_name": "千葉県",
      "prefecture_name_en": "Chiba",
      "jis_code": "122033",
      "municipality_name": "市川市",
      "municipality_name_en": "Ichikawa-shi",
      "baseline_votes": 29661.0,
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      "votes_change_rate_pct": -62.978322,
      "baseline_vote_share_pct_muni": 12.788111,
      "target_vote_share_pct_muni": 7.216603,
      "vote_share_delta_pct_pt": -5.571508
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131210",
      "municipality_name": "足立区",
      "municipality_name_en": "Adachi-ku",
      "baseline_votes": 39756.426,
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      "target_vote_share_pct_muni": 7.092551,
      "vote_share_delta_pct_pt": -5.408173
    },
    {
      "prefecture_code": "28",
      "prefecture_name": "兵庫県",
      "prefecture_name_en": "Hyogo",
      "jis_code": "282170",
      "municipality_name": "川西市",
      "municipality_name_en": "Kawanishi-shi",
      "baseline_votes": 9301.528,
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      "votes_change_rate_pct": -61.726718,
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      "vote_share_delta_pct_pt": -4.453535
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294497",
      "municipality_name": "十津川村",
      "municipality_name_en": "Totsukawa-mura",
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      "vote_share_delta_pct_pt": -6.553659
    },
    {
      "prefecture_code": "46",
      "prefecture_name": "鹿児島県",
      "prefecture_name_en": "Kagoshima",
      "jis_code": "462012",
      "municipality_name": "鹿児島市",
      "municipality_name_en": "Kagoshima-shi",
      "baseline_votes": 39936.758,
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      "target_vote_share_pct_muni": 8.554466,
      "vote_share_delta_pct_pt": -6.975158
    },
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      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131237",
      "municipality_name": "江戸川区",
      "municipality_name_en": "Edogawa-ku",
      "baseline_votes": 40431.93,
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      "votes_delta": -24718.93,
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      "target_vote_share_pct_muni": 7.436698,
      "vote_share_delta_pct_pt": -5.364252
    },
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      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131113",
      "municipality_name": "大田区",
      "municipality_name_en": "Ota-ku",
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      "votes_change_rate_pct": -60.551316,
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      "vote_share_delta_pct_pt": -4.592942
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "292079",
      "municipality_name": "五條市",
      "municipality_name_en": "Gojo-shi",
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    {
      "prefecture_code": "30",
      "prefecture_name": "和歌山県",
      "prefecture_name_en": "Wakayama",
      "jis_code": "302031",
      "municipality_name": "橋本市",
      "municipality_name_en": "Hashimoto-shi",
      "baseline_votes": 4102.0,
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      "target_vote_share_pct_muni": 6.419092,
      "vote_share_delta_pct_pt": -7.883558
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294411",
      "municipality_name": "吉野町",
      "municipality_name_en": "Yoshino-cho",
      "baseline_votes": 309.0,
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      "votes_change_rate_pct": -60.194175,
      "baseline_vote_share_pct_muni": 9.112356,
      "target_vote_share_pct_muni": 4.070152,
      "vote_share_delta_pct_pt": -5.042204
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131156",
      "municipality_name": "杉並区",
      "municipality_name_en": "Suginami-ku",
      "baseline_votes": 31186.413,
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      "votes_change_rate_pct": -59.966541,
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      "vote_share_delta_pct_pt": -4.941137
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "292087",
      "municipality_name": "御所市",
      "municipality_name_en": "Gose-shi",
      "baseline_votes": 1156.0,
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      "votes_delta": -691.0,
      "votes_change_rate_pct": -59.775087,
      "baseline_vote_share_pct_muni": 10.720579,
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      "vote_share_delta_pct_pt": -6.403832
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "292028",
      "municipality_name": "大和高田市",
      "municipality_name_en": "Yamatotakada-shi",
      "baseline_votes": 3909.96,
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      "votes_delta": -2334.96,
      "votes_change_rate_pct": -59.718258,
      "baseline_vote_share_pct_muni": 12.948174,
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      "vote_share_delta_pct_pt": -7.682377
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294527",
      "municipality_name": "川上村",
      "municipality_name_en": "Kawakami-mura",
      "baseline_votes": 57.0,
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      "votes_change_rate_pct": -59.649123,
      "baseline_vote_share_pct_muni": 7.251908,
      "target_vote_share_pct_muni": 3.038309,
      "vote_share_delta_pct_pt": -4.213599
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "293610",
      "municipality_name": "川西町",
      "municipality_name_en": "Kawanishi-cho",
      "baseline_votes": 507.0,
      "target_votes": 206.0,
      "votes_delta": -301.0,
      "votes_change_rate_pct": -59.368836,
      "baseline_vote_share_pct_muni": 12.279002,
      "target_vote_share_pct_muni": 4.708571,
      "vote_share_delta_pct_pt": -7.570431
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "292060",
      "municipality_name": "桜井市",
      "municipality_name_en": "Sakurai-shi",
      "baseline_votes": 3444.0,
      "target_votes": 1405.0,
      "votes_delta": -2039.0,
      "votes_change_rate_pct": -59.204413,
      "baseline_vote_share_pct_muni": 13.412782,
      "target_vote_share_pct_muni": 5.502467,
      "vote_share_delta_pct_pt": -7.910315
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "292117",
      "municipality_name": "葛城市",
      "municipality_name_en": "Katsuragi-shi",
      "baseline_votes": 2586.0,
      "target_votes": 1067.0,
      "votes_delta": -1519.0,
      "votes_change_rate_pct": -58.739366,
      "baseline_vote_share_pct_muni": 13.956501,
      "target_vote_share_pct_muni": 5.860062,
      "vote_share_delta_pct_pt": -8.096439
    },
    {
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}
