{
  "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": "JCP",
    "party_label": "共産",
    "party_label_en": "Japanese Communist 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": -20.0,
    "max_votes_change_rate_pct": 57.142857
  },
  "municipalities": [
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204102",
      "municipality_name": "根羽村",
      "municipality_name_en": "Neba-mura",
      "baseline_votes": 7.0,
      "target_votes": 11.0,
      "votes_delta": 4.0,
      "votes_change_rate_pct": 57.142857,
      "baseline_vote_share_pct_muni": 1.338432,
      "target_vote_share_pct_muni": 2.186879,
      "vote_share_delta_pct_pt": 0.848447
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204226",
      "municipality_name": "上松町",
      "municipality_name_en": "Agematsu-machi",
      "baseline_votes": 115.0,
      "target_votes": 165.0,
      "votes_delta": 50.0,
      "votes_change_rate_pct": 43.478261,
      "baseline_vote_share_pct_muni": 5.002175,
      "target_vote_share_pct_muni": 7.479601,
      "vote_share_delta_pct_pt": 2.477426
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204307",
      "municipality_name": "大桑村",
      "municipality_name_en": "Okuwa-mura",
      "baseline_votes": 140.153,
      "target_votes": 193.0,
      "votes_delta": 52.847,
      "votes_change_rate_pct": 37.706649,
      "baseline_vote_share_pct_muni": 7.082011,
      "target_vote_share_pct_muni": 10.249602,
      "vote_share_delta_pct_pt": 3.167591
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204323",
      "municipality_name": "木曽町",
      "municipality_name_en": "Kiso-machi",
      "baseline_votes": 327.0,
      "target_votes": 432.0,
      "votes_delta": 105.0,
      "votes_change_rate_pct": 32.110092,
      "baseline_vote_share_pct_muni": 5.445462,
      "target_vote_share_pct_muni": 7.415036,
      "vote_share_delta_pct_pt": 1.969574
    },
    {
      "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",
      "baseline_votes": 82.0,
      "target_votes": 105.0,
      "votes_delta": 23.0,
      "votes_change_rate_pct": 28.04878,
      "baseline_vote_share_pct_muni": 3.688709,
      "target_vote_share_pct_muni": 4.783599,
      "vote_share_delta_pct_pt": 1.09489
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203629",
      "municipality_name": "富士見町",
      "municipality_name_en": "Fujimi-machi",
      "baseline_votes": 570.0,
      "target_votes": 709.0,
      "votes_delta": 139.0,
      "votes_change_rate_pct": 24.385965,
      "baseline_vote_share_pct_muni": 7.366245,
      "target_vote_share_pct_muni": 9.575905,
      "vote_share_delta_pct_pt": 2.20966
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204250",
      "municipality_name": "木祖村",
      "municipality_name_en": "Kiso-mura",
      "baseline_votes": 98.0,
      "target_votes": 120.0,
      "votes_delta": 22.0,
      "votes_change_rate_pct": 22.44898,
      "baseline_vote_share_pct_muni": 6.109726,
      "target_vote_share_pct_muni": 7.751938,
      "vote_share_delta_pct_pt": 1.642212
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204170",
      "municipality_name": "大鹿村",
      "municipality_name_en": "Oshika-mura",
      "baseline_votes": 28.0,
      "target_votes": 34.0,
      "votes_delta": 6.0,
      "votes_change_rate_pct": 21.428571,
      "baseline_vote_share_pct_muni": 5.405405,
      "target_vote_share_pct_muni": 6.62768,
      "vote_share_delta_pct_pt": 1.222275
    },
    {
      "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": 861.0,
      "target_votes": 1028.0,
      "votes_delta": 167.0,
      "votes_change_rate_pct": 19.396051,
      "baseline_vote_share_pct_muni": 4.465536,
      "target_vote_share_pct_muni": 5.200324,
      "vote_share_delta_pct_pt": 0.734788
    },
    {
      "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": 1847.09,
      "target_votes": 2176.0,
      "votes_delta": 328.91,
      "votes_change_rate_pct": 17.806929,
      "baseline_vote_share_pct_muni": 5.770714,
      "target_vote_share_pct_muni": 7.112273,
      "vote_share_delta_pct_pt": 1.341559
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202142",
      "municipality_name": "茅野市",
      "municipality_name_en": "Chino-shi",
      "baseline_votes": 1622.277,
      "target_votes": 1865.0,
      "votes_delta": 242.723,
      "votes_change_rate_pct": 14.961871,
      "baseline_vote_share_pct_muni": 6.05508,
      "target_vote_share_pct_muni": 7.375623,
      "vote_share_delta_pct_pt": 1.320543
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202061",
      "municipality_name": "諏訪市",
      "municipality_name_en": "Suwa-shi",
      "baseline_votes": 1243.0,
      "target_votes": 1427.0,
      "votes_delta": 184.0,
      "votes_change_rate_pct": 14.802896,
      "baseline_vote_share_pct_muni": 5.297251,
      "target_vote_share_pct_muni": 6.371389,
      "vote_share_delta_pct_pt": 1.074138
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205613",
      "municipality_name": "山ノ内町",
      "municipality_name_en": "Yamanouchi-machi",
      "baseline_votes": 241.0,
      "target_votes": 273.0,
      "votes_delta": 32.0,
      "votes_change_rate_pct": 13.278008,
      "baseline_vote_share_pct_muni": 4.429333,
      "target_vote_share_pct_muni": 5.062118,
      "vote_share_delta_pct_pt": 0.632785
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204528",
      "municipality_name": "筑北村",
      "municipality_name_en": "Chikuhoku-mura",
      "baseline_votes": 126.071,
      "target_votes": 142.0,
      "votes_delta": 15.929,
      "votes_change_rate_pct": 12.634944,
      "baseline_vote_share_pct_muni": 5.623149,
      "target_vote_share_pct_muni": 6.239016,
      "vote_share_delta_pct_pt": 0.615867
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204293",
      "municipality_name": "王滝村",
      "municipality_name_en": "Otaki-mura",
      "baseline_votes": 24.0,
      "target_votes": 27.0,
      "votes_delta": 3.0,
      "votes_change_rate_pct": 12.5,
      "baseline_vote_share_pct_muni": 5.568445,
      "target_vote_share_pct_muni": 6.78392,
      "vote_share_delta_pct_pt": 1.215475
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204480",
      "municipality_name": "生坂村",
      "municipality_name_en": "Ikusaka-mura",
      "baseline_votes": 40.0,
      "target_votes": 44.0,
      "votes_delta": 4.0,
      "votes_change_rate_pct": 10.0,
      "baseline_vote_share_pct_muni": 4.545455,
      "target_vote_share_pct_muni": 4.96614,
      "vote_share_delta_pct_pt": 0.420685
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203610",
      "municipality_name": "下諏訪町",
      "municipality_name_en": "Shimosuwa-machi",
      "baseline_votes": 801.0,
      "target_votes": 879.0,
      "votes_delta": 78.0,
      "votes_change_rate_pct": 9.737828,
      "baseline_vote_share_pct_muni": 8.478882,
      "target_vote_share_pct_muni": 9.634988,
      "vote_share_delta_pct_pt": 1.156106
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203092",
      "municipality_name": "佐久穂町",
      "municipality_name_en": "Sakuho-machi",
      "baseline_votes": 461.0,
      "target_votes": 503.0,
      "votes_delta": 42.0,
      "votes_change_rate_pct": 9.110629,
      "baseline_vote_share_pct_muni": 8.279454,
      "target_vote_share_pct_muni": 8.775297,
      "vote_share_delta_pct_pt": 0.495843
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204161",
      "municipality_name": "豊丘村",
      "municipality_name_en": "Toyooka-mura",
      "baseline_votes": 210.0,
      "target_votes": 229.0,
      "votes_delta": 19.0,
      "votes_change_rate_pct": 9.047619,
      "baseline_vote_share_pct_muni": 6.05013,
      "target_vote_share_pct_muni": 6.584244,
      "vote_share_delta_pct_pt": 0.534114
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "206024",
      "municipality_name": "栄村",
      "municipality_name_en": "Sakae-mura",
      "baseline_votes": 89.0,
      "target_votes": 97.0,
      "votes_delta": 8.0,
      "votes_change_rate_pct": 8.988764,
      "baseline_vote_share_pct_muni": 8.794466,
      "target_vote_share_pct_muni": 10.210526,
      "vote_share_delta_pct_pt": 1.41606
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203882",
      "municipality_name": "宮田村",
      "municipality_name_en": "Miyada-mura",
      "baseline_votes": 296.0,
      "target_votes": 321.0,
      "votes_delta": 25.0,
      "votes_change_rate_pct": 8.445946,
      "baseline_vote_share_pct_muni": 6.197655,
      "target_vote_share_pct_muni": 6.740865,
      "vote_share_delta_pct_pt": 0.54321
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203637",
      "municipality_name": "原村",
      "municipality_name_en": "Hara-mura",
      "baseline_votes": 331.547,
      "target_votes": 359.0,
      "votes_delta": 27.453,
      "votes_change_rate_pct": 8.280274,
      "baseline_vote_share_pct_muni": 7.771847,
      "target_vote_share_pct_muni": 8.681983,
      "vote_share_delta_pct_pt": 0.910136
    },
    {
      "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": 328.0,
      "target_votes": 352.0,
      "votes_delta": 24.0,
      "votes_change_rate_pct": 7.317073,
      "baseline_vote_share_pct_muni": 6.514399,
      "target_vote_share_pct_muni": 6.862936,
      "vote_share_delta_pct_pt": 0.348537
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204463",
      "municipality_name": "麻績村",
      "municipality_name_en": "Omi-mura",
      "baseline_votes": 100.0,
      "target_votes": 107.0,
      "votes_delta": 7.0,
      "votes_change_rate_pct": 7.0,
      "baseline_vote_share_pct_muni": 7.158196,
      "target_vote_share_pct_muni": 7.588652,
      "vote_share_delta_pct_pt": 0.430456
    },
    {
      "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",
      "baseline_votes": 740.5,
      "target_votes": 791.0,
      "votes_delta": 50.5,
      "votes_change_rate_pct": 6.819716,
      "baseline_vote_share_pct_muni": 5.982871,
      "target_vote_share_pct_muni": 6.333066,
      "vote_share_delta_pct_pt": 0.350195
    },
    {
      "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",
      "baseline_votes": 2744.197,
      "target_votes": 2929.0,
      "votes_delta": 184.803,
      "votes_change_rate_pct": 6.73432,
      "baseline_vote_share_pct_muni": 5.635133,
      "target_vote_share_pct_muni": 6.072858,
      "vote_share_delta_pct_pt": 0.437725
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203840",
      "municipality_name": "飯島町",
      "municipality_name_en": "Iijima-machi",
      "baseline_votes": 375.0,
      "target_votes": 400.0,
      "votes_delta": 25.0,
      "votes_change_rate_pct": 6.666667,
      "baseline_vote_share_pct_muni": 7.571169,
      "target_vote_share_pct_muni": 8.069397,
      "vote_share_delta_pct_pt": 0.498228
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203068",
      "municipality_name": "南相木村",
      "municipality_name_en": "Minamiaiki-mura",
      "baseline_votes": 31.0,
      "target_votes": 33.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 6.451613,
      "baseline_vote_share_pct_muni": 5.400697,
      "target_vote_share_pct_muni": 5.956679,
      "vote_share_delta_pct_pt": 0.555982
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204021",
      "municipality_name": "松川町",
      "municipality_name_en": "Matsukawa-machi",
      "baseline_votes": 379.0,
      "target_votes": 402.0,
      "votes_delta": 23.0,
      "votes_change_rate_pct": 6.068602,
      "baseline_vote_share_pct_muni": 6.056248,
      "target_vote_share_pct_muni": 6.505907,
      "vote_share_delta_pct_pt": 0.449659
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204234",
      "municipality_name": "南木曽町",
      "municipality_name_en": "Nagiso-machi",
      "baseline_votes": 237.0,
      "target_votes": 251.0,
      "votes_delta": 14.0,
      "votes_change_rate_pct": 5.907173,
      "baseline_vote_share_pct_muni": 10.836763,
      "target_vote_share_pct_muni": 11.795113,
      "vote_share_delta_pct_pt": 0.95835
    },
    {
      "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": 436.0,
      "target_votes": 460.0,
      "votes_delta": 24.0,
      "votes_change_rate_pct": 5.504587,
      "baseline_vote_share_pct_muni": 5.552018,
      "target_vote_share_pct_muni": 5.863607,
      "vote_share_delta_pct_pt": 0.311589
    },
    {
      "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": 558.0,
      "target_votes": 588.0,
      "votes_delta": 30.0,
      "votes_change_rate_pct": 5.376344,
      "baseline_vote_share_pct_muni": 5.274102,
      "target_vote_share_pct_muni": 5.567127,
      "vote_share_delta_pct_pt": 0.293025
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202045",
      "municipality_name": "岡谷市",
      "municipality_name_en": "Okaya-shi",
      "baseline_votes": 1670.093,
      "target_votes": 1759.0,
      "votes_delta": 88.907,
      "votes_change_rate_pct": 5.323476,
      "baseline_vote_share_pct_muni": 6.987252,
      "target_vote_share_pct_muni": 7.835538,
      "vote_share_delta_pct_pt": 0.848286
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205885",
      "municipality_name": "小川村",
      "municipality_name_en": "Ogawa-mura",
      "baseline_votes": 77.0,
      "target_votes": 81.0,
      "votes_delta": 4.0,
      "votes_change_rate_pct": 5.194805,
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  ]
}
