{
  "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",
  "point_grain": "municipality",
  "selector": {
    "prefecture_code": "",
    "prefecture_name": "",
    "prefecture_name_en": "",
    "region_id": "chugoku",
    "region_name": "中国地方",
    "region_name_en": "Chugoku Region",
    "party_id": "ISH",
    "party_label": "維新",
    "party_label_en": "Japan Innovation Party (Ishin)",
    "scope": "region",
    "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": 119,
    "municipality_count": 119,
    "min_votes_change_rate_pct": 2.272727,
    "max_votes_change_rate_pct": 183.333333
  },
  "municipalities": [
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "355020",
      "municipality_name": "阿武町",
      "municipality_name_en": "Abu-cho",
      "baseline_votes": 48.0,
      "target_votes": 136.0,
      "votes_delta": 88.0,
      "votes_change_rate_pct": 183.333333,
      "baseline_vote_share_pct_muni": 2.898551,
      "target_vote_share_pct_muni": 7.89321,
      "vote_share_delta_pct_pt": 4.994659
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "345458",
      "municipality_name": "神石高原町",
      "municipality_name_en": "Jinsekikogen-cho",
      "baseline_votes": 73.0,
      "target_votes": 203.0,
      "votes_delta": 130.0,
      "votes_change_rate_pct": 178.082192,
      "baseline_vote_share_pct_muni": 1.945111,
      "target_vote_share_pct_muni": 5.377483,
      "vote_share_delta_pct_pt": 3.432372
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352110",
      "municipality_name": "長門市",
      "municipality_name_en": "Nagato-shi",
      "baseline_votes": 422.0,
      "target_votes": 1114.0,
      "votes_delta": 692.0,
      "votes_change_rate_pct": 163.981043,
      "baseline_vote_share_pct_muni": 2.938923,
      "target_vote_share_pct_muni": 7.014672,
      "vote_share_delta_pct_pt": 4.075749
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352047",
      "municipality_name": "萩市",
      "municipality_name_en": "Hagi-shi",
      "baseline_votes": 679.0,
      "target_votes": 1726.0,
      "votes_delta": 1047.0,
      "votes_change_rate_pct": 154.197349,
      "baseline_vote_share_pct_muni": 3.371568,
      "target_vote_share_pct_muni": 8.029774,
      "vote_share_delta_pct_pt": 4.658206
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352136",
      "municipality_name": "美祢市",
      "municipality_name_en": "Mine-shi",
      "baseline_votes": 342.0,
      "target_votes": 867.0,
      "votes_delta": 525.0,
      "votes_change_rate_pct": 153.508772,
      "baseline_vote_share_pct_muni": 3.053026,
      "target_vote_share_pct_muni": 7.333164,
      "vote_share_delta_pct_pt": 4.280138
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353442",
      "municipality_name": "平生町",
      "municipality_name_en": "Hirao-cho",
      "baseline_votes": 153.0,
      "target_votes": 328.0,
      "votes_delta": 175.0,
      "votes_change_rate_pct": 114.379085,
      "baseline_vote_share_pct_muni": 2.997062,
      "target_vote_share_pct_muni": 5.902465,
      "vote_share_delta_pct_pt": 2.905403
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342157",
      "municipality_name": "江田島市",
      "municipality_name_en": "Etajima-shi",
      "baseline_votes": 342.138,
      "target_votes": 728.0,
      "votes_delta": 385.862,
      "votes_change_rate_pct": 112.779639,
      "baseline_vote_share_pct_muni": 3.637831,
      "target_vote_share_pct_muni": 7.871121,
      "vote_share_delta_pct_pt": 4.23329
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353434",
      "municipality_name": "田布施町",
      "municipality_name_en": "Tabuse-cho",
      "baseline_votes": 208.0,
      "target_votes": 441.0,
      "votes_delta": 233.0,
      "votes_change_rate_pct": 112.019231,
      "baseline_vote_share_pct_muni": 2.91807,
      "target_vote_share_pct_muni": 5.788161,
      "vote_share_delta_pct_pt": 2.870091
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352160",
      "municipality_name": "山陽小野田市",
      "municipality_name_en": "Sanyoonoda-shi",
      "baseline_votes": 1073.0,
      "target_votes": 2216.0,
      "votes_delta": 1143.0,
      "votes_change_rate_pct": 106.523765,
      "baseline_vote_share_pct_muni": 4.140299,
      "target_vote_share_pct_muni": 8.597145,
      "vote_share_delta_pct_pt": 4.456846
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352012",
      "municipality_name": "下関市",
      "municipality_name_en": "Shimonoseki-shi",
      "baseline_votes": 3890.0,
      "target_votes": 7899.0,
      "votes_delta": 4009.0,
      "votes_change_rate_pct": 103.059126,
      "baseline_vote_share_pct_muni": 3.740816,
      "target_vote_share_pct_muni": 7.568339,
      "vote_share_delta_pct_pt": 3.827523
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342033",
      "municipality_name": "竹原市",
      "municipality_name_en": "Takehara-shi",
      "baseline_votes": 420.0,
      "target_votes": 849.0,
      "votes_delta": 429.0,
      "votes_change_rate_pct": 102.142857,
      "baseline_vote_share_pct_muni": 4.048583,
      "target_vote_share_pct_muni": 8.301555,
      "vote_share_delta_pct_pt": 4.252972
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353051",
      "municipality_name": "周防大島町",
      "municipality_name_en": "Suooshima-cho",
      "baseline_votes": 189.0,
      "target_votes": 382.0,
      "votes_delta": 193.0,
      "votes_change_rate_pct": 102.116402,
      "baseline_vote_share_pct_muni": 2.567586,
      "target_vote_share_pct_muni": 5.022351,
      "vote_share_delta_pct_pt": 2.454765
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "344621",
      "municipality_name": "世羅町",
      "municipality_name_en": "Sera-cho",
      "baseline_votes": 207.533,
      "target_votes": 405.0,
      "votes_delta": 197.467,
      "votes_change_rate_pct": 95.149687,
      "baseline_vote_share_pct_muni": 2.979228,
      "target_vote_share_pct_muni": 5.809783,
      "vote_share_delta_pct_pt": 2.830555
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "344311",
      "municipality_name": "大崎上島町",
      "municipality_name_en": "Osakikamijima-cho",
      "baseline_votes": 114.0,
      "target_votes": 222.0,
      "votes_delta": 108.0,
      "votes_change_rate_pct": 94.736842,
      "baseline_vote_share_pct_muni": 3.480916,
      "target_vote_share_pct_muni": 7.110826,
      "vote_share_delta_pct_pt": 3.62991
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352128",
      "municipality_name": "柳井市",
      "municipality_name_en": "Yanai-shi",
      "baseline_votes": 513.0,
      "target_votes": 988.0,
      "votes_delta": 475.0,
      "votes_change_rate_pct": 92.592593,
      "baseline_vote_share_pct_muni": 3.528441,
      "target_vote_share_pct_muni": 6.292192,
      "vote_share_delta_pct_pt": 2.763751
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352063",
      "municipality_name": "防府市",
      "municipality_name_en": "Hofu-shi",
      "baseline_votes": 1774.0,
      "target_votes": 3368.0,
      "votes_delta": 1594.0,
      "votes_change_rate_pct": 89.853439,
      "baseline_vote_share_pct_muni": 3.470402,
      "target_vote_share_pct_muni": 6.752611,
      "vote_share_delta_pct_pt": 3.282209
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342025",
      "municipality_name": "呉市",
      "municipality_name_en": "Kure-shi",
      "baseline_votes": 4249.316,
      "target_votes": 8058.0,
      "votes_delta": 3808.684,
      "votes_change_rate_pct": 89.630519,
      "baseline_vote_share_pct_muni": 4.675898,
      "target_vote_share_pct_muni": 9.346401,
      "vote_share_delta_pct_pt": 4.670503
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352071",
      "municipality_name": "下松市",
      "municipality_name_en": "Kudamatsu-shi",
      "baseline_votes": 1011.0,
      "target_votes": 1877.0,
      "votes_delta": 866.0,
      "votes_change_rate_pct": 85.657765,
      "baseline_vote_share_pct_muni": 3.875642,
      "target_vote_share_pct_muni": 7.092386,
      "vote_share_delta_pct_pt": 3.216744
    },
    {
      "prefecture_code": "32",
      "prefecture_name": "島根県",
      "prefecture_name_en": "Shimane",
      "jis_code": "325279",
      "municipality_name": "知夫村",
      "municipality_name_en": "Chibu-mura",
      "baseline_votes": 12.0,
      "target_votes": 22.0,
      "votes_delta": 10.0,
      "votes_change_rate_pct": 83.333333,
      "baseline_vote_share_pct_muni": 3.125,
      "target_vote_share_pct_muni": 6.25,
      "vote_share_delta_pct_pt": 3.125
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "343684",
      "municipality_name": "安芸太田町",
      "municipality_name_en": "Akiota-cho",
      "baseline_votes": 70.0,
      "target_votes": 128.0,
      "votes_delta": 58.0,
      "votes_change_rate_pct": 82.857143,
      "baseline_vote_share_pct_muni": 2.379334,
      "target_vote_share_pct_muni": 4.521371,
      "vote_share_delta_pct_pt": 2.142037
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342149",
      "municipality_name": "安芸高田市",
      "municipality_name_en": "Akitakata-shi",
      "baseline_votes": 369.045,
      "target_votes": 670.0,
      "votes_delta": 300.955,
      "votes_change_rate_pct": 81.549676,
      "baseline_vote_share_pct_muni": 3.144555,
      "target_vote_share_pct_muni": 5.981609,
      "vote_share_delta_pct_pt": 2.837054
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352101",
      "municipality_name": "光市",
      "municipality_name_en": "Hikari-shi",
      "baseline_votes": 903.0,
      "target_votes": 1624.0,
      "votes_delta": 721.0,
      "votes_change_rate_pct": 79.844961,
      "baseline_vote_share_pct_muni": 3.810609,
      "target_vote_share_pct_muni": 6.676808,
      "vote_share_delta_pct_pt": 2.866199
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352080",
      "municipality_name": "岩国市",
      "municipality_name_en": "Iwakuni-shi",
      "baseline_votes": 1927.0,
      "target_votes": 3420.0,
      "votes_delta": 1493.0,
      "votes_change_rate_pct": 77.477945,
      "baseline_vote_share_pct_muni": 3.38361,
      "target_vote_share_pct_muni": 5.873866,
      "vote_share_delta_pct_pt": 2.490256
    },
    {
      "prefecture_code": "31",
      "prefecture_name": "鳥取県",
      "prefecture_name_en": "Tottori",
      "jis_code": "313025",
      "municipality_name": "岩美町",
      "municipality_name_en": "Iwami-cho",
      "baseline_votes": 128.0,
      "target_votes": 226.0,
      "votes_delta": 98.0,
      "votes_change_rate_pct": 76.5625,
      "baseline_vote_share_pct_muni": 2.515229,
      "target_vote_share_pct_muni": 5.018876,
      "vote_share_delta_pct_pt": 2.503647
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352152",
      "municipality_name": "周南市",
      "municipality_name_en": "Shunan-shi",
      "baseline_votes": 2464.093,
      "target_votes": 4303.0,
      "votes_delta": 1838.907,
      "votes_change_rate_pct": 74.628149,
      "baseline_vote_share_pct_muni": 3.915423,
      "target_vote_share_pct_muni": 6.73533,
      "vote_share_delta_pct_pt": 2.819907
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "343072",
      "municipality_name": "熊野町",
      "municipality_name_en": "Kumano-cho",
      "baseline_votes": 498.0,
      "target_votes": 867.0,
      "votes_delta": 369.0,
      "votes_change_rate_pct": 74.096386,
      "baseline_vote_share_pct_muni": 4.765094,
      "target_vote_share_pct_muni": 8.815455,
      "vote_share_delta_pct_pt": 4.050361
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342106",
      "municipality_name": "庄原市",
      "municipality_name_en": "Shobara-shi",
      "baseline_votes": 485.0,
      "target_votes": 841.0,
      "votes_delta": 356.0,
      "votes_change_rate_pct": 73.402062,
      "baseline_vote_share_pct_muni": 3.129436,
      "target_vote_share_pct_muni": 5.507892,
      "vote_share_delta_pct_pt": 2.378456
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352020",
      "municipality_name": "宇部市",
      "municipality_name_en": "Ube-shi",
      "baseline_votes": 2732.0,
      "target_votes": 4707.0,
      "votes_delta": 1975.0,
      "votes_change_rate_pct": 72.291362,
      "baseline_vote_share_pct_muni": 3.909447,
      "target_vote_share_pct_muni": 6.87816,
      "vote_share_delta_pct_pt": 2.968713
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342076",
      "municipality_name": "福山市",
      "municipality_name_en": "Fukuyama-shi",
      "baseline_votes": 8426.074,
      "target_votes": 14467.0,
      "votes_delta": 6040.926,
      "votes_change_rate_pct": 71.693246,
      "baseline_vote_share_pct_muni": 4.479953,
      "target_vote_share_pct_muni": 8.01909,
      "vote_share_delta_pct_pt": 3.539137
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352039",
      "municipality_name": "山口市",
      "municipality_name_en": "Yamaguchi-shi",
      "baseline_votes": 3394.06,
      "target_votes": 5783.0,
      "votes_delta": 2388.94,
      "votes_change_rate_pct": 70.38591,
      "baseline_vote_share_pct_muni": 3.937242,
      "target_vote_share_pct_muni": 6.992745,
      "vote_share_delta_pct_pt": 3.055503
    },
    {
      "prefecture_code": "33",
      "prefecture_name": "岡山県",
      "prefecture_name_en": "Okayama",
      "jis_code": "332100",
      "municipality_name": "新見市",
      "municipality_name_en": "Niimi-shi",
      "baseline_votes": 434.0,
      "target_votes": 731.0,
      "votes_delta": 297.0,
      "votes_change_rate_pct": 68.43318,
      "baseline_vote_share_pct_muni": 3.430288,
      "target_vote_share_pct_muni": 5.781398,
      "vote_share_delta_pct_pt": 2.35111
    },
    {
      "prefecture_code": "34",
      "prefecture_name": "広島県",
      "prefecture_name_en": "Hiroshima",
      "jis_code": "342092",
      "municipality_name": "三次市",
      "municipality_name_en": "Miyoshi-shi",
      "baseline_votes": 734.0,
      "target_votes": 1232.0,
      "votes_delta": 498.0,
      "votes_change_rate_pct": 67.847411,
      "baseline_vote_share_pct_muni": 3.167479,
      "target_vote_share_pct_muni": 5.614803,
      "vote_share_delta_pct_pt": 2.447324
    },
    {
      "prefecture_code": "31",
      "prefecture_name": "鳥取県",
      "prefecture_name_en": "Tottori",
      "jis_code": "313254",
      "municipality_name": "若桜町",
      "municipality_name_en": "Wakasa-cho",
      "baseline_votes": 34.0,
      "target_votes": 57.0,
      "votes_delta": 23.0,
      "votes_change_rate_pct": 67.647059,
      "baseline_vote_share_pct_muni": 2.179487,
      "target_vote_share_pct_muni": 3.582652,
      "vote_share_delta_pct_pt": 1.403165
    },
    {
      "prefecture_code": "33",
      "prefecture_name": "岡山県",
      "prefecture_name_en": "Okayama",
      "jis_code": "332038",
      "municipality_name": "津山市",
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}
