{
  "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": "11",
    "prefecture_name": "埼玉県",
    "prefecture_name_en": "Saitama",
    "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": 73,
    "municipality_count": 73,
    "min_votes_change_rate_pct": 99.919028,
    "max_votes_change_rate_pct": 425.862069
  },
  "municipalities": [
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113492",
      "municipality_name": "ときがわ町",
      "municipality_name_en": "Tokigawa-machi",
      "baseline_votes": 58.0,
      "target_votes": 305.0,
      "votes_delta": 247.0,
      "votes_change_rate_pct": 425.862069,
      "baseline_vote_share_pct_muni": 1.126651,
      "target_vote_share_pct_muni": 5.121746,
      "vote_share_delta_pct_pt": 3.995095
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113654",
      "municipality_name": "小鹿野町",
      "municipality_name_en": "Ogano-machi",
      "baseline_votes": 47.0,
      "target_votes": 245.0,
      "votes_delta": 198.0,
      "votes_change_rate_pct": 421.276596,
      "baseline_vote_share_pct_muni": 0.972481,
      "target_vote_share_pct_muni": 4.987785,
      "vote_share_delta_pct_pt": 4.015304
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113638",
      "municipality_name": "長瀞町",
      "municipality_name_en": "Nagatoro-machi",
      "baseline_votes": 31.0,
      "target_votes": 157.0,
      "votes_delta": 126.0,
      "votes_change_rate_pct": 406.451613,
      "baseline_vote_share_pct_muni": 1.058743,
      "target_vote_share_pct_muni": 5.114007,
      "vote_share_delta_pct_pt": 4.055264
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113832",
      "municipality_name": "神川町",
      "municipality_name_en": "Kamikawa-machi",
      "baseline_votes": 62.0,
      "target_votes": 309.0,
      "votes_delta": 247.0,
      "votes_change_rate_pct": 398.387097,
      "baseline_vote_share_pct_muni": 1.148361,
      "target_vote_share_pct_muni": 6.103101,
      "vote_share_delta_pct_pt": 4.95474
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113620",
      "municipality_name": "皆野町",
      "municipality_name_en": "Minano-machi",
      "baseline_votes": 53.0,
      "target_votes": 243.0,
      "votes_delta": 190.0,
      "votes_change_rate_pct": 358.490566,
      "baseline_vote_share_pct_muni": 1.223453,
      "target_vote_share_pct_muni": 5.655108,
      "vote_share_delta_pct_pt": 4.431655
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112070",
      "municipality_name": "秩父市",
      "municipality_name_en": "Chichibu-shi",
      "baseline_votes": 339.002,
      "target_votes": 1504.0,
      "votes_delta": 1164.998,
      "votes_change_rate_pct": 343.6552,
      "baseline_vote_share_pct_muni": 1.298609,
      "target_vote_share_pct_muni": 5.753854,
      "vote_share_delta_pct_pt": 4.455245
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113697",
      "municipality_name": "東秩父村",
      "municipality_name_en": "Higashichichibu-mura",
      "baseline_votes": 14.0,
      "target_votes": 62.0,
      "votes_delta": 48.0,
      "votes_change_rate_pct": 342.857143,
      "baseline_vote_share_pct_muni": 0.977654,
      "target_vote_share_pct_muni": 4.314544,
      "vote_share_delta_pct_pt": 3.33689
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113468",
      "municipality_name": "川島町",
      "municipality_name_en": "Kawajima-machi",
      "baseline_votes": 117.0,
      "target_votes": 512.0,
      "votes_delta": 395.0,
      "votes_change_rate_pct": 337.606838,
      "baseline_vote_share_pct_muni": 1.359675,
      "target_vote_share_pct_muni": 5.540526,
      "vote_share_delta_pct_pt": 4.180851
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113611",
      "municipality_name": "横瀬町",
      "municipality_name_en": "Yokoze-machi",
      "baseline_votes": 56.0,
      "target_votes": 242.0,
      "votes_delta": 186.0,
      "votes_change_rate_pct": 332.142857,
      "baseline_vote_share_pct_muni": 1.544828,
      "target_vote_share_pct_muni": 6.733445,
      "vote_share_delta_pct_pt": 5.188617
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113476",
      "municipality_name": "吉見町",
      "municipality_name_en": "Yoshimi-machi",
      "baseline_votes": 99.0,
      "target_votes": 421.0,
      "votes_delta": 322.0,
      "votes_change_rate_pct": 325.252525,
      "baseline_vote_share_pct_muni": 1.142132,
      "target_vote_share_pct_muni": 4.928011,
      "vote_share_delta_pct_pt": 3.785879
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113271",
      "municipality_name": "越生町",
      "municipality_name_en": "Ogose-machi",
      "baseline_votes": 75.0,
      "target_votes": 312.0,
      "votes_delta": 237.0,
      "votes_change_rate_pct": 316.0,
      "baseline_vote_share_pct_muni": 1.353546,
      "target_vote_share_pct_muni": 5.839416,
      "vote_share_delta_pct_pt": 4.48587
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112186",
      "municipality_name": "深谷市",
      "municipality_name_en": "Fukaya-shi",
      "baseline_votes": 991.0,
      "target_votes": 3914.0,
      "votes_delta": 2923.0,
      "votes_change_rate_pct": 294.954591,
      "baseline_vote_share_pct_muni": 1.609132,
      "target_vote_share_pct_muni": 6.873178,
      "vote_share_delta_pct_pt": 5.264046
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "114650",
      "municipality_name": "松伏町",
      "municipality_name_en": "Matsubushi-machi",
      "baseline_votes": 168.0,
      "target_votes": 661.0,
      "votes_delta": 493.0,
      "votes_change_rate_pct": 293.452381,
      "baseline_vote_share_pct_muni": 1.418081,
      "target_vote_share_pct_muni": 5.940505,
      "vote_share_delta_pct_pt": 4.522424
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "114081",
      "municipality_name": "寄居町",
      "municipality_name_en": "Yorii-machi",
      "baseline_votes": 186.0,
      "target_votes": 727.0,
      "votes_delta": 541.0,
      "votes_change_rate_pct": 290.860215,
      "baseline_vote_share_pct_muni": 1.248574,
      "target_vote_share_pct_muni": 5.116836,
      "vote_share_delta_pct_pt": 3.868262
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113263",
      "municipality_name": "毛呂山町",
      "municipality_name_en": "Moroyama-machi",
      "baseline_votes": 223.0,
      "target_votes": 865.0,
      "votes_delta": 642.0,
      "votes_change_rate_pct": 287.892377,
      "baseline_vote_share_pct_muni": 1.488751,
      "target_vote_share_pct_muni": 6.115235,
      "vote_share_delta_pct_pt": 4.626484
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113859",
      "municipality_name": "上里町",
      "municipality_name_en": "Kamisato-machi",
      "baseline_votes": 205.0,
      "target_votes": 784.0,
      "votes_delta": 579.0,
      "votes_change_rate_pct": 282.439024,
      "baseline_vote_share_pct_muni": 1.511019,
      "target_vote_share_pct_muni": 6.134105,
      "vote_share_delta_pct_pt": 4.623086
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113816",
      "municipality_name": "美里町",
      "municipality_name_en": "Misato-machi",
      "baseline_votes": 65.0,
      "target_votes": 247.0,
      "votes_delta": 182.0,
      "votes_change_rate_pct": 280.0,
      "baseline_vote_share_pct_muni": 1.339102,
      "target_vote_share_pct_muni": 5.396548,
      "vote_share_delta_pct_pt": 4.057446
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112100",
      "municipality_name": "加須市",
      "municipality_name_en": "Kazo-shi",
      "baseline_votes": 723.0,
      "target_votes": 2725.0,
      "votes_delta": 2002.0,
      "votes_change_rate_pct": 276.901798,
      "baseline_vote_share_pct_muni": 1.516582,
      "target_vote_share_pct_muni": 5.749794,
      "vote_share_delta_pct_pt": 4.233212
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113484",
      "municipality_name": "鳩山町",
      "municipality_name_en": "Hatoyama-machi",
      "baseline_votes": 124.0,
      "target_votes": 464.0,
      "votes_delta": 340.0,
      "votes_change_rate_pct": 274.193548,
      "baseline_vote_share_pct_muni": 1.724618,
      "target_vote_share_pct_muni": 6.685879,
      "vote_share_delta_pct_pt": 4.961261
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113425",
      "municipality_name": "嵐山町",
      "municipality_name_en": "Ranzan-machi",
      "baseline_votes": 126.0,
      "target_votes": 466.0,
      "votes_delta": 340.0,
      "votes_change_rate_pct": 269.84127,
      "baseline_vote_share_pct_muni": 1.524132,
      "target_vote_share_pct_muni": 5.638916,
      "vote_share_delta_pct_pt": 4.114784
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113433",
      "municipality_name": "小川町",
      "municipality_name_en": "Ogawa-machi",
      "baseline_votes": 247.0,
      "target_votes": 885.0,
      "votes_delta": 638.0,
      "votes_change_rate_pct": 258.299595,
      "baseline_vote_share_pct_muni": 1.701336,
      "target_vote_share_pct_muni": 6.118639,
      "vote_share_delta_pct_pt": 4.417303
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112062",
      "municipality_name": "行田市",
      "municipality_name_en": "Gyoda-shi",
      "baseline_votes": 589.0,
      "target_votes": 2082.0,
      "votes_delta": 1493.0,
      "votes_change_rate_pct": 253.480475,
      "baseline_vote_share_pct_muni": 1.655704,
      "target_vote_share_pct_muni": 6.188141,
      "vote_share_delta_pct_pt": 4.532437
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112330",
      "municipality_name": "北本市",
      "municipality_name_en": "Kitamoto-shi",
      "baseline_votes": 675.0,
      "target_votes": 2358.0,
      "votes_delta": 1683.0,
      "votes_change_rate_pct": 249.333333,
      "baseline_vote_share_pct_muni": 2.108255,
      "target_vote_share_pct_muni": 7.457777,
      "vote_share_delta_pct_pt": 5.349522
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112429",
      "municipality_name": "日高市",
      "municipality_name_en": "Hidaka-shi",
      "baseline_votes": 451.0,
      "target_votes": 1573.0,
      "votes_delta": 1122.0,
      "votes_change_rate_pct": 248.780488,
      "baseline_vote_share_pct_muni": 1.718816,
      "target_vote_share_pct_muni": 6.402116,
      "vote_share_delta_pct_pt": 4.6833
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113417",
      "municipality_name": "滑川町",
      "municipality_name_en": "Namegawa-machi",
      "baseline_votes": 173.0,
      "target_votes": 595.0,
      "votes_delta": 422.0,
      "votes_change_rate_pct": 243.930636,
      "baseline_vote_share_pct_muni": 1.931882,
      "target_vote_share_pct_muni": 6.712545,
      "vote_share_delta_pct_pt": 4.780663
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112127",
      "municipality_name": "東松山市",
      "municipality_name_en": "Higashimatsuyama-shi",
      "baseline_votes": 809.0,
      "target_votes": 2758.0,
      "votes_delta": 1949.0,
      "votes_change_rate_pct": 240.91471,
      "baseline_vote_share_pct_muni": 1.936704,
      "target_vote_share_pct_muni": 6.705079,
      "vote_share_delta_pct_pt": 4.768375
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "114642",
      "municipality_name": "杉戸町",
      "municipality_name_en": "Sugito-machi",
      "baseline_votes": 351.0,
      "target_votes": 1193.0,
      "votes_delta": 842.0,
      "votes_change_rate_pct": 239.88604,
      "baseline_vote_share_pct_muni": 1.720673,
      "target_vote_share_pct_muni": 6.194185,
      "vote_share_delta_pct_pt": 4.473512
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112160",
      "municipality_name": "羽生市",
      "municipality_name_en": "Hanyu-shi",
      "baseline_votes": 399.0,
      "target_votes": 1349.0,
      "votes_delta": 950.0,
      "votes_change_rate_pct": 238.095238,
      "baseline_vote_share_pct_muni": 1.725256,
      "target_vote_share_pct_muni": 6.015876,
      "vote_share_delta_pct_pt": 4.29062
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112402",
      "municipality_name": "幸手市",
      "municipality_name_en": "Satte-shi",
      "baseline_votes": 367.0,
      "target_votes": 1217.0,
      "votes_delta": 850.0,
      "votes_change_rate_pct": 231.607629,
      "baseline_vote_share_pct_muni": 1.671906,
      "target_vote_share_pct_muni": 5.493365,
      "vote_share_delta_pct_pt": 3.821459
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112020",
      "municipality_name": "熊谷市",
      "municipality_name_en": "Kumagaya-shi",
      "baseline_votes": 1734.0,
      "target_votes": 5731.0,
      "votes_delta": 3997.0,
      "votes_change_rate_pct": 230.507497,
      "baseline_vote_share_pct_muni": 2.015974,
      "target_vote_share_pct_muni": 6.887062,
      "vote_share_delta_pct_pt": 4.871088
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112119",
      "municipality_name": "本庄市",
      "municipality_name_en": "Honjo-shi",
      "baseline_votes": 654.0,
      "target_votes": 2160.0,
      "votes_delta": 1506.0,
      "votes_change_rate_pct": 230.275229,
      "baseline_vote_share_pct_muni": 1.929659,
      "target_vote_share_pct_muni": 7.129419,
      "vote_share_delta_pct_pt": 5.19976
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112313",
      "municipality_name": "桶川市",
      "municipality_name_en": "Okegawa-shi",
      "baseline_votes": 794.015,
      "target_votes": 2612.0,
      "votes_delta": 1817.985,
      "votes_change_rate_pct": 228.96104,
      "baseline_vote_share_pct_muni": 2.279753,
      "target_vote_share_pct_muni": 7.46435,
      "vote_share_delta_pct_pt": 5.184597
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112178",
      "municipality_name": "鴻巣市",
      "municipality_name_en": "Konosu-shi",
      "baseline_votes": 1237.0,
      "target_votes": 4042.0,
      "votes_delta": 2805.0,
      "votes_change_rate_pct": 226.758286,
      "baseline_vote_share_pct_muni": 2.206643,
      "target_vote_share_pct_muni": 7.376451,
      "vote_share_delta_pct_pt": 5.169808
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112410",
      "municipality_name": "鶴ヶ島市",
      "municipality_name_en": "Tsurugashima-shi",
      "baseline_votes": 773.0,
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      "vote_share_delta_pct_pt": 6.432644
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112240",
      "municipality_name": "戸田市",
      "municipality_name_en": "Toda-shi",
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    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112038",
      "municipality_name": "川口市",
      "municipality_name_en": "Kawaguchi-shi",
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      "target_vote_share_pct_muni": 9.590618,
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    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112291",
      "municipality_name": "和光市",
      "municipality_name_en": "Wako-shi",
      "baseline_votes": 2470.0,
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      "target_vote_share_pct_muni": 12.422642,
      "vote_share_delta_pct_pt": 6.510298
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  ]
}
