{
  "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": "06",
    "prefecture_name": "山形県",
    "prefecture_name_en": "Yamagata",
    "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": 35,
    "municipality_count": 35,
    "min_votes_change_rate_pct": 242.647059,
    "max_votes_change_rate_pct": 885.714286
  },
  "municipalities": [
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "064033",
      "municipality_name": "飯豊町",
      "municipality_name_en": "Iide-machi",
      "baseline_votes": 14.0,
      "target_votes": 138.0,
      "votes_delta": 124.0,
      "votes_change_rate_pct": 885.714286,
      "baseline_vote_share_pct_muni": 0.392487,
      "target_vote_share_pct_muni": 3.947368,
      "vote_share_delta_pct_pt": 3.554881
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "064610",
      "municipality_name": "遊佐町",
      "municipality_name_en": "Yuza-machi",
      "baseline_votes": 50.0,
      "target_votes": 390.0,
      "votes_delta": 340.0,
      "votes_change_rate_pct": 680.0,
      "baseline_vote_share_pct_muni": 0.768521,
      "target_vote_share_pct_muni": 6.064376,
      "vote_share_delta_pct_pt": 5.295855
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063827",
      "municipality_name": "川西町",
      "municipality_name_en": "Kawanishi-machi",
      "baseline_votes": 46.0,
      "target_votes": 292.0,
      "votes_delta": 246.0,
      "votes_change_rate_pct": 534.782609,
      "baseline_vote_share_pct_muni": 0.656955,
      "target_vote_share_pct_muni": 4.132465,
      "vote_share_delta_pct_pt": 3.47551
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062090",
      "municipality_name": "長井市",
      "municipality_name_en": "Nagai-shi",
      "baseline_votes": 101.0,
      "target_votes": 629.0,
      "votes_delta": 528.0,
      "votes_change_rate_pct": 522.772277,
      "baseline_vote_share_pct_muni": 0.779381,
      "target_vote_share_pct_muni": 4.923679,
      "vote_share_delta_pct_pt": 4.144298
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "064025",
      "municipality_name": "白鷹町",
      "municipality_name_en": "Shirataka-machi",
      "baseline_votes": 55.0,
      "target_votes": 334.0,
      "votes_delta": 279.0,
      "votes_change_rate_pct": 507.272727,
      "baseline_vote_share_pct_muni": 0.778926,
      "target_vote_share_pct_muni": 4.757835,
      "vote_share_delta_pct_pt": 3.978909
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063231",
      "municipality_name": "朝日町",
      "municipality_name_en": "Asahi-machi",
      "baseline_votes": 27.0,
      "target_votes": 148.0,
      "votes_delta": 121.0,
      "votes_change_rate_pct": 448.148148,
      "baseline_vote_share_pct_muni": 0.777426,
      "target_vote_share_pct_muni": 4.247991,
      "vote_share_delta_pct_pt": 3.470565
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063240",
      "municipality_name": "大江町",
      "municipality_name_en": "Oe-machi",
      "baseline_votes": 38.0,
      "target_votes": 202.0,
      "votes_delta": 164.0,
      "votes_change_rate_pct": 431.578947,
      "baseline_vote_share_pct_muni": 0.925926,
      "target_vote_share_pct_muni": 4.936461,
      "vote_share_delta_pct_pt": 4.010535
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063223",
      "municipality_name": "西川町",
      "municipality_name_en": "Nishikawa-machi",
      "baseline_votes": 18.0,
      "target_votes": 94.0,
      "votes_delta": 76.0,
      "votes_change_rate_pct": 422.222222,
      "baseline_vote_share_pct_muni": 0.623269,
      "target_vote_share_pct_muni": 3.348771,
      "vote_share_delta_pct_pt": 2.725502
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062065",
      "municipality_name": "寒河江市",
      "municipality_name_en": "Sagae-shi",
      "baseline_votes": 200.0,
      "target_votes": 1038.0,
      "votes_delta": 838.0,
      "votes_change_rate_pct": 419.0,
      "baseline_vote_share_pct_muni": 1.032525,
      "target_vote_share_pct_muni": 5.260757,
      "vote_share_delta_pct_pt": 4.228232
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062073",
      "municipality_name": "上山市",
      "municipality_name_en": "Kaminoyama-shi",
      "baseline_votes": 154.0,
      "target_votes": 796.0,
      "votes_delta": 642.0,
      "votes_change_rate_pct": 416.883117,
      "baseline_vote_share_pct_muni": 1.049118,
      "target_vote_share_pct_muni": 5.342999,
      "vote_share_delta_pct_pt": 4.293881
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "064262",
      "municipality_name": "三川町",
      "municipality_name_en": "Mikawa-machi",
      "baseline_votes": 40.0,
      "target_votes": 204.0,
      "votes_delta": 164.0,
      "votes_change_rate_pct": 410.0,
      "baseline_vote_share_pct_muni": 1.099203,
      "target_vote_share_pct_muni": 5.534455,
      "vote_share_delta_pct_pt": 4.435252
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063630",
      "municipality_name": "舟形町",
      "municipality_name_en": "Funagata-machi",
      "baseline_votes": 21.0,
      "target_votes": 107.0,
      "votes_delta": 86.0,
      "votes_change_rate_pct": 409.52381,
      "baseline_vote_share_pct_muni": 0.755124,
      "target_vote_share_pct_muni": 4.156954,
      "vote_share_delta_pct_pt": 3.40183
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063657",
      "municipality_name": "大蔵村",
      "municipality_name_en": "Ohkura-mura",
      "baseline_votes": 9.0,
      "target_votes": 45.0,
      "votes_delta": 36.0,
      "votes_change_rate_pct": 400.0,
      "baseline_vote_share_pct_muni": 0.519031,
      "target_vote_share_pct_muni": 2.796768,
      "vote_share_delta_pct_pt": 2.277737
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063819",
      "municipality_name": "高畠町",
      "municipality_name_en": "Takahata-machi",
      "baseline_votes": 109.0,
      "target_votes": 539.0,
      "votes_delta": 430.0,
      "votes_change_rate_pct": 394.495413,
      "baseline_vote_share_pct_muni": 0.991991,
      "target_vote_share_pct_muni": 4.995366,
      "vote_share_delta_pct_pt": 4.003375
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062081",
      "municipality_name": "村山市",
      "municipality_name_en": "Murayama-shi",
      "baseline_votes": 90.0,
      "target_votes": 444.0,
      "votes_delta": 354.0,
      "votes_change_rate_pct": 393.333333,
      "baseline_vote_share_pct_muni": 0.765306,
      "target_vote_share_pct_muni": 3.702468,
      "vote_share_delta_pct_pt": 2.937162
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062049",
      "municipality_name": "酒田市",
      "municipality_name_en": "Sakata-shi",
      "baseline_votes": 591.835,
      "target_votes": 2912.0,
      "votes_delta": 2320.165,
      "votes_change_rate_pct": 392.029028,
      "baseline_vote_share_pct_muni": 1.306162,
      "target_vote_share_pct_muni": 6.616528,
      "vote_share_delta_pct_pt": 5.310366
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063029",
      "municipality_name": "中山町",
      "municipality_name_en": "Nakayama-machi",
      "baseline_votes": 57.0,
      "target_votes": 279.0,
      "votes_delta": 222.0,
      "votes_change_rate_pct": 389.473684,
      "baseline_vote_share_pct_muni": 1.010459,
      "target_vote_share_pct_muni": 5.148551,
      "vote_share_delta_pct_pt": 4.138092
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062057",
      "municipality_name": "新庄市",
      "municipality_name_en": "Shinjo-shi",
      "baseline_votes": 146.888,
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      "votes_delta": 570.112,
      "votes_change_rate_pct": 388.127008,
      "baseline_vote_share_pct_muni": 0.888131,
      "target_vote_share_pct_muni": 4.800803,
      "vote_share_delta_pct_pt": 3.912672
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062111",
      "municipality_name": "東根市",
      "municipality_name_en": "Higashine-shi",
      "baseline_votes": 246.0,
      "target_votes": 1195.0,
      "votes_delta": 949.0,
      "votes_change_rate_pct": 385.772358,
      "baseline_vote_share_pct_muni": 1.069379,
      "target_vote_share_pct_muni": 5.093125,
      "vote_share_delta_pct_pt": 4.023746
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063010",
      "municipality_name": "山辺町",
      "municipality_name_en": "Yamanobe-machi",
      "baseline_votes": 88.0,
      "target_votes": 425.0,
      "votes_delta": 337.0,
      "votes_change_rate_pct": 382.954545,
      "baseline_vote_share_pct_muni": 1.248758,
      "target_vote_share_pct_muni": 5.991823,
      "vote_share_delta_pct_pt": 4.743065
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062014",
      "municipality_name": "山形市",
      "municipality_name_en": "Yamagata-shi",
      "baseline_votes": 1777.952,
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      "votes_delta": 6759.048,
      "votes_change_rate_pct": 380.159194,
      "baseline_vote_share_pct_muni": 1.500267,
      "target_vote_share_pct_muni": 7.294337,
      "vote_share_delta_pct_pt": 5.79407
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062030",
      "municipality_name": "鶴岡市",
      "municipality_name_en": "Tsuruoka-shi",
      "baseline_votes": 685.0,
      "target_votes": 3272.0,
      "votes_delta": 2587.0,
      "votes_change_rate_pct": 377.664234,
      "baseline_vote_share_pct_muni": 1.171,
      "target_vote_share_pct_muni": 5.647026,
      "vote_share_delta_pct_pt": 4.476026
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062103",
      "municipality_name": "天童市",
      "municipality_name_en": "Tendo-shi",
      "baseline_votes": 358.0,
      "target_votes": 1707.0,
      "votes_delta": 1349.0,
      "votes_change_rate_pct": 376.815642,
      "baseline_vote_share_pct_muni": 1.213971,
      "target_vote_share_pct_muni": 5.773133,
      "vote_share_delta_pct_pt": 4.559162
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063665",
      "municipality_name": "鮭川村",
      "municipality_name_en": "Sakegawa-mura",
      "baseline_votes": 14.0,
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      "votes_delta": 52.0,
      "votes_change_rate_pct": 371.428571,
      "baseline_vote_share_pct_muni": 0.675024,
      "target_vote_share_pct_muni": 3.244838,
      "vote_share_delta_pct_pt": 2.569814
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "064289",
      "municipality_name": "庄内町",
      "municipality_name_en": "Shonai-machi",
      "baseline_votes": 113.0,
      "target_votes": 517.0,
      "votes_delta": 404.0,
      "votes_change_rate_pct": 357.522124,
      "baseline_vote_share_pct_muni": 1.060734,
      "target_vote_share_pct_muni": 5.36029,
      "vote_share_delta_pct_pt": 4.299556
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    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063410",
      "municipality_name": "大石田町",
      "municipality_name_en": "Oishida-machi",
      "baseline_votes": 23.0,
      "target_votes": 105.0,
      "votes_delta": 82.0,
      "votes_change_rate_pct": 356.521739,
      "baseline_vote_share_pct_muni": 0.669773,
      "target_vote_share_pct_muni": 3.200244,
      "vote_share_delta_pct_pt": 2.530471
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062138",
      "municipality_name": "南陽市",
      "municipality_name_en": "Nanyo-shi",
      "baseline_votes": 170.023,
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      "votes_delta": 595.977,
      "votes_change_rate_pct": 350.527282,
      "baseline_vote_share_pct_muni": 1.147486,
      "target_vote_share_pct_muni": 5.120663,
      "vote_share_delta_pct_pt": 3.973177
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062022",
      "municipality_name": "米沢市",
      "municipality_name_en": "Yonezawa-shi",
      "baseline_votes": 462.0,
      "target_votes": 2064.0,
      "votes_delta": 1602.0,
      "votes_change_rate_pct": 346.753247,
      "baseline_vote_share_pct_muni": 1.24821,
      "target_vote_share_pct_muni": 5.6722,
      "vote_share_delta_pct_pt": 4.42399
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063622",
      "municipality_name": "最上町",
      "municipality_name_en": "Mogami-machi",
      "baseline_votes": 36.0,
      "target_votes": 160.0,
      "votes_delta": 124.0,
      "votes_change_rate_pct": 344.444444,
      "baseline_vote_share_pct_muni": 0.822106,
      "target_vote_share_pct_muni": 3.933137,
      "vote_share_delta_pct_pt": 3.111031
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063215",
      "municipality_name": "河北町",
      "municipality_name_en": "Kahoku-cho",
      "baseline_votes": 115.0,
      "target_votes": 462.0,
      "votes_delta": 347.0,
      "votes_change_rate_pct": 301.73913,
      "baseline_vote_share_pct_muni": 1.25286,
      "target_vote_share_pct_muni": 4.950177,
      "vote_share_delta_pct_pt": 3.697317
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "064017",
      "municipality_name": "小国町",
      "municipality_name_en": "Oguni-machi",
      "baseline_votes": 38.0,
      "target_votes": 150.0,
      "votes_delta": 112.0,
      "votes_change_rate_pct": 294.736842,
      "baseline_vote_share_pct_muni": 1.027305,
      "target_vote_share_pct_muni": 4.260153,
      "vote_share_delta_pct_pt": 3.232848
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063614",
      "municipality_name": "金山町",
      "municipality_name_en": "Kaneyama-machi",
      "baseline_votes": 26.0,
      "target_votes": 98.0,
      "votes_delta": 72.0,
      "votes_change_rate_pct": 276.923077,
      "baseline_vote_share_pct_muni": 0.907504,
      "target_vote_share_pct_muni": 3.649907,
      "vote_share_delta_pct_pt": 2.742403
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063649",
      "municipality_name": "真室川町",
      "municipality_name_en": "Mamurogawa-machi",
      "baseline_votes": 33.0,
      "target_votes": 123.0,
      "votes_delta": 90.0,
      "votes_change_rate_pct": 272.727273,
      "baseline_vote_share_pct_muni": 0.876261,
      "target_vote_share_pct_muni": 3.415718,
      "vote_share_delta_pct_pt": 2.539457
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063673",
      "municipality_name": "戸沢村",
      "municipality_name_en": "Tozawa-mura",
      "baseline_votes": 19.0,
      "target_votes": 68.0,
      "votes_delta": 49.0,
      "votes_change_rate_pct": 257.894737,
      "baseline_vote_share_pct_muni": 0.834798,
      "target_vote_share_pct_muni": 3.277108,
      "vote_share_delta_pct_pt": 2.44231
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "062120",
      "municipality_name": "尾花沢市",
      "municipality_name_en": "Obanazawa-shi",
      "baseline_votes": 68.0,
      "target_votes": 233.0,
      "votes_delta": 165.0,
      "votes_change_rate_pct": 242.647059,
      "baseline_vote_share_pct_muni": 0.86503,
      "target_vote_share_pct_muni": 3.145248,
      "vote_share_delta_pct_pt": 2.280218
    }
  ]
}
