{
  "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": "20",
    "prefecture_name": "長野県",
    "prefecture_name_en": "Nagano",
    "party_id": "LDP",
    "party_label": "自民",
    "party_label_en": "Liberal Democratic Party",
    "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": 77,
    "municipality_count": 77,
    "min_votes_change_rate_pct": -1.866667,
    "max_votes_change_rate_pct": 88.255416
  },
  "municipalities": [
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204501",
      "municipality_name": "山形村",
      "municipality_name_en": "Yamagata-mura",
      "baseline_votes": 877.0,
      "target_votes": 1651.0,
      "votes_delta": 774.0,
      "votes_change_rate_pct": 88.255416,
      "baseline_vote_share_pct_muni": 21.178459,
      "target_vote_share_pct_muni": 37.884351,
      "vote_share_delta_pct_pt": 16.705892
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203238",
      "municipality_name": "御代田町",
      "municipality_name_en": "Miyota-machi",
      "baseline_votes": 1507.109,
      "target_votes": 2826.0,
      "votes_delta": 1318.891,
      "votes_change_rate_pct": 87.511321,
      "baseline_vote_share_pct_muni": 18.431075,
      "target_vote_share_pct_muni": 34.764424,
      "vote_share_delta_pct_pt": 16.333349
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202029",
      "municipality_name": "松本市",
      "municipality_name_en": "Matsumoto-shi",
      "baseline_votes": 22525.573,
      "target_votes": 41680.0,
      "votes_delta": 19154.427,
      "votes_change_rate_pct": 85.034139,
      "baseline_vote_share_pct_muni": 20.00957,
      "target_vote_share_pct_muni": 36.401429,
      "vote_share_delta_pct_pt": 16.391859
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203211",
      "municipality_name": "軽井沢町",
      "municipality_name_en": "Karuizawa-machi",
      "baseline_votes": 1996.0,
      "target_votes": 3602.0,
      "votes_delta": 1606.0,
      "votes_change_rate_pct": 80.460922,
      "baseline_vote_share_pct_muni": 18.865784,
      "target_vote_share_pct_muni": 34.10339,
      "vote_share_delta_pct_pt": 15.237606
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202037",
      "municipality_name": "上田市",
      "municipality_name_en": "Ueda-shi",
      "baseline_votes": 14327.482,
      "target_votes": 24717.0,
      "votes_delta": 10389.518,
      "votes_change_rate_pct": 72.514612,
      "baseline_vote_share_pct_muni": 18.992142,
      "target_vote_share_pct_muni": 33.63452,
      "vote_share_delta_pct_pt": 14.642378
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202070",
      "municipality_name": "須坂市",
      "municipality_name_en": "Suzaka-shi",
      "baseline_votes": 5111.0,
      "target_votes": 8775.0,
      "votes_delta": 3664.0,
      "votes_change_rate_pct": 71.688515,
      "baseline_vote_share_pct_muni": 22.825116,
      "target_vote_share_pct_muni": 38.142224,
      "vote_share_delta_pct_pt": 15.317108
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204820",
      "municipality_name": "松川村",
      "municipality_name_en": "Matsukawa-mura",
      "baseline_votes": 1074.0,
      "target_votes": 1831.0,
      "votes_delta": 757.0,
      "votes_change_rate_pct": 70.484171,
      "baseline_vote_share_pct_muni": 21.330685,
      "target_vote_share_pct_muni": 35.698967,
      "vote_share_delta_pct_pt": 14.368282
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202088",
      "municipality_name": "小諸市",
      "municipality_name_en": "Komoro-shi",
      "baseline_votes": 4049.836,
      "target_votes": 6885.0,
      "votes_delta": 2835.164,
      "votes_change_rate_pct": 70.006884,
      "baseline_vote_share_pct_muni": 20.358096,
      "target_vote_share_pct_muni": 34.723623,
      "vote_share_delta_pct_pt": 14.365527
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202193",
      "municipality_name": "東御市",
      "municipality_name_en": "Tomi-shi",
      "baseline_votes": 2862.862,
      "target_votes": 4864.0,
      "votes_delta": 2001.138,
      "votes_change_rate_pct": 69.899911,
      "baseline_vote_share_pct_muni": 19.551062,
      "target_vote_share_pct_muni": 33.726252,
      "vote_share_delta_pct_pt": 14.17519
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203858",
      "municipality_name": "南箕輪村",
      "municipality_name_en": "Minamiminowa-mura",
      "baseline_votes": 1684.0,
      "target_votes": 2845.0,
      "votes_delta": 1161.0,
      "votes_change_rate_pct": 68.942993,
      "baseline_vote_share_pct_muni": 21.444034,
      "target_vote_share_pct_muni": 36.265137,
      "vote_share_delta_pct_pt": 14.821103
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202150",
      "municipality_name": "塩尻市",
      "municipality_name_en": "Shiojiri-shi",
      "baseline_votes": 6446.193,
      "target_votes": 10770.0,
      "votes_delta": 4323.807,
      "votes_change_rate_pct": 67.075358,
      "baseline_vote_share_pct_muni": 20.139318,
      "target_vote_share_pct_muni": 35.20183,
      "vote_share_delta_pct_pt": 15.062512
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202185",
      "municipality_name": "千曲市",
      "municipality_name_en": "Chikuma-shi",
      "baseline_votes": 6281.237,
      "target_votes": 10334.0,
      "votes_delta": 4052.763,
      "votes_change_rate_pct": 64.521734,
      "baseline_vote_share_pct_muni": 21.898815,
      "target_vote_share_pct_muni": 36.521063,
      "vote_share_delta_pct_pt": 14.622248
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202118",
      "municipality_name": "中野市",
      "municipality_name_en": "Nakano-shi",
      "baseline_votes": 4707.0,
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      "votes_delta": 3021.0,
      "votes_change_rate_pct": 64.181007,
      "baseline_vote_share_pct_muni": 24.412634,
      "target_vote_share_pct_muni": 39.093484,
      "vote_share_delta_pct_pt": 14.68085
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203637",
      "municipality_name": "原村",
      "municipality_name_en": "Hara-mura",
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      "baseline_vote_share_pct_muni": 20.647187,
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      "vote_share_delta_pct_pt": 14.298399
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203831",
      "municipality_name": "箕輪町",
      "municipality_name_en": "Minowa-machi",
      "baseline_votes": 2723.0,
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      "vote_share_delta_pct_pt": 14.013467
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202207",
      "municipality_name": "安曇野市",
      "municipality_name_en": "Azumino-shi",
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      "votes_change_rate_pct": 63.552174,
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      "vote_share_delta_pct_pt": 13.964915
    },
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202010",
      "municipality_name": "長野市",
      "municipality_name_en": "Nagano-shi",
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      "vote_share_delta_pct_pt": 14.342313
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202126",
      "municipality_name": "大町市",
      "municipality_name_en": "Omachi-shi",
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      "vote_share_delta_pct_pt": 13.135388
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202177",
      "municipality_name": "佐久市",
      "municipality_name_en": "Saku-shi",
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      "vote_share_delta_pct_pt": 13.438622
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205435",
      "municipality_name": "高山村",
      "municipality_name_en": "Takayama-mura",
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      "prefecture_code": "20",
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      "prefecture_name_en": "Nagano",
      "jis_code": "203882",
      "municipality_name": "宮田村",
      "municipality_name_en": "Miyada-mura",
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      "vote_share_delta_pct_pt": 13.48983
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      "prefecture_code": "20",
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      "prefecture_name_en": "Nagano",
      "jis_code": "205214",
      "municipality_name": "坂城町",
      "municipality_name_en": "Sakaki-machi",
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      "prefecture_code": "20",
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      "prefecture_name_en": "Nagano",
      "jis_code": "203491",
      "municipality_name": "青木村",
      "municipality_name_en": "Aoki-mura",
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      "vote_share_delta_pct_pt": 12.13498
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202096",
      "municipality_name": "伊那市",
      "municipality_name_en": "Ina-shi",
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202053",
      "municipality_name": "飯田市",
      "municipality_name_en": "Iida-shi",
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205419",
      "municipality_name": "小布施町",
      "municipality_name_en": "Obuse-machi",
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      "vote_share_delta_pct_pt": 12.701828
    },
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204099",
      "municipality_name": "平谷村",
      "municipality_name_en": "Hiraya-mura",
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      "baseline_vote_share_pct_muni": 27.165354,
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      "vote_share_delta_pct_pt": 17.372461
    },
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204072",
      "municipality_name": "阿智村",
      "municipality_name_en": "Achi-mura",
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      "vote_share_delta_pct_pt": 12.738558
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204854",
      "municipality_name": "白馬村",
      "municipality_name_en": "Hakuba-mura",
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202100",
      "municipality_name": "駒ヶ根市",
      "municipality_name_en": "Komagane-shi",
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      "votes_change_rate_pct": 52.234672,
      "baseline_vote_share_pct_muni": 26.204703,
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      "vote_share_delta_pct_pt": 14.053838
    },
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      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204510",
      "municipality_name": "朝日村",
      "municipality_name_en": "Asahi-mura",
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      "votes_delta": 283.0,
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      "baseline_vote_share_pct_muni": 25.416104,
      "target_vote_share_pct_muni": 38.633257,
      "vote_share_delta_pct_pt": 13.217153
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204811",
      "municipality_name": "池田町",
      "municipality_name_en": "Ikeda-machi",
      "baseline_votes": 1177.916,
      "target_votes": 1765.0,
      "votes_delta": 587.084,
      "votes_change_rate_pct": 49.840905,
      "baseline_vote_share_pct_muni": 23.325069,
      "target_vote_share_pct_muni": 34.689465,
      "vote_share_delta_pct_pt": 11.364396
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205834",
      "municipality_name": "信濃町",
      "municipality_name_en": "Shinano-machi",
      "baseline_votes": 936.0,
      "target_votes": 1402.0,
      "votes_delta": 466.0,
      "votes_change_rate_pct": 49.786325,
      "baseline_vote_share_pct_muni": 24.55404,
      "target_vote_share_pct_muni": 36.749672,
      "vote_share_delta_pct_pt": 12.195632
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203866",
      "municipality_name": "中川村",
      "municipality_name_en": "Nakagawa-mura",
      "baseline_votes": 688.375,
      "target_votes": 1025.0,
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  ]
}
