{
  "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": "19",
    "prefecture_name": "山梨県",
    "prefecture_name_en": "Yamanashi",
    "party_id": "ISH",
    "party_label": "維新",
    "party_label_en": "Japan Innovation Party (Ishin)",
    "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": 27,
    "municipality_count": 27,
    "min_votes_change_rate_pct": 8.547009,
    "max_votes_change_rate_pct": 333.333333
  },
  "municipalities": [
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194425",
      "municipality_name": "小菅村",
      "municipality_name_en": "Kosuge-mura",
      "baseline_votes": 3.0,
      "target_votes": 13.0,
      "votes_delta": 10.0,
      "votes_change_rate_pct": 333.333333,
      "baseline_vote_share_pct_muni": 0.666667,
      "target_vote_share_pct_muni": 2.921348,
      "vote_share_delta_pct_pt": 2.254681
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194433",
      "municipality_name": "丹波山村",
      "municipality_name_en": "Tabayama-mura",
      "baseline_votes": 4.0,
      "target_votes": 12.0,
      "votes_delta": 8.0,
      "votes_change_rate_pct": 200.0,
      "baseline_vote_share_pct_muni": 1.149425,
      "target_vote_share_pct_muni": 3.571429,
      "vote_share_delta_pct_pt": 2.422004
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "193640",
      "municipality_name": "早川町",
      "municipality_name_en": "Hayakawa-cho",
      "baseline_votes": 4.0,
      "target_votes": 9.0,
      "votes_delta": 5.0,
      "votes_change_rate_pct": 125.0,
      "baseline_vote_share_pct_muni": 0.763359,
      "target_vote_share_pct_muni": 1.737452,
      "vote_share_delta_pct_pt": 0.974093
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194220",
      "municipality_name": "道志村",
      "municipality_name_en": "Doshi-mura",
      "baseline_votes": 19.0,
      "target_votes": 42.0,
      "votes_delta": 23.0,
      "votes_change_rate_pct": 121.052632,
      "baseline_vote_share_pct_muni": 1.948718,
      "target_vote_share_pct_muni": 4.615385,
      "vote_share_delta_pct_pt": 2.666667
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194255",
      "municipality_name": "山中湖村",
      "municipality_name_en": "Yamanakako-mura",
      "baseline_votes": 69.0,
      "target_votes": 122.0,
      "votes_delta": 53.0,
      "votes_change_rate_pct": 76.811594,
      "baseline_vote_share_pct_muni": 2.263037,
      "target_vote_share_pct_muni": 4.264243,
      "vote_share_delta_pct_pt": 2.001206
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "193666",
      "municipality_name": "南部町",
      "municipality_name_en": "Nambu-cho",
      "baseline_votes": 86.0,
      "target_votes": 122.0,
      "votes_delta": 36.0,
      "votes_change_rate_pct": 41.860465,
      "baseline_vote_share_pct_muni": 2.130823,
      "target_vote_share_pct_muni": 2.99828,
      "vote_share_delta_pct_pt": 0.867457
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192058",
      "municipality_name": "山梨市",
      "municipality_name_en": "Yamanashi-shi",
      "baseline_votes": 495.0,
      "target_votes": 683.0,
      "votes_delta": 188.0,
      "votes_change_rate_pct": 37.979798,
      "baseline_vote_share_pct_muni": 2.965137,
      "target_vote_share_pct_muni": 4.35115,
      "vote_share_delta_pct_pt": 1.386013
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192112",
      "municipality_name": "笛吹市",
      "municipality_name_en": "Fuefuki-shi",
      "baseline_votes": 979.0,
      "target_votes": 1346.0,
      "votes_delta": 367.0,
      "votes_change_rate_pct": 37.487232,
      "baseline_vote_share_pct_muni": 3.198615,
      "target_vote_share_pct_muni": 4.644422,
      "vote_share_delta_pct_pt": 1.445807
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194298",
      "municipality_name": "鳴沢村",
      "municipality_name_en": "Narusawa-mura",
      "baseline_votes": 49.0,
      "target_votes": 67.0,
      "votes_delta": 18.0,
      "votes_change_rate_pct": 36.734694,
      "baseline_vote_share_pct_muni": 2.892562,
      "target_vote_share_pct_muni": 4.224464,
      "vote_share_delta_pct_pt": 1.331902
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192040",
      "municipality_name": "都留市",
      "municipality_name_en": "Tsuru-shi",
      "baseline_votes": 422.0,
      "target_votes": 574.0,
      "votes_delta": 152.0,
      "votes_change_rate_pct": 36.018957,
      "baseline_vote_share_pct_muni": 2.766306,
      "target_vote_share_pct_muni": 4.363692,
      "vote_share_delta_pct_pt": 1.597386
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194301",
      "municipality_name": "富士河口湖町",
      "municipality_name_en": "Fujikawaguchiko-machi",
      "baseline_votes": 479.0,
      "target_votes": 646.0,
      "votes_delta": 167.0,
      "votes_change_rate_pct": 34.864301,
      "baseline_vote_share_pct_muni": 3.622476,
      "target_vote_share_pct_muni": 5.215987,
      "vote_share_delta_pct_pt": 1.593511
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192139",
      "municipality_name": "甲州市",
      "municipality_name_en": "Koshu-shi",
      "baseline_votes": 468.0,
      "target_votes": 621.0,
      "votes_delta": 153.0,
      "votes_change_rate_pct": 32.692308,
      "baseline_vote_share_pct_muni": 3.096877,
      "target_vote_share_pct_muni": 4.372624,
      "vote_share_delta_pct_pt": 1.275747
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192147",
      "municipality_name": "中央市",
      "municipality_name_en": "Chuo-shi",
      "baseline_votes": 493.0,
      "target_votes": 645.0,
      "votes_delta": 152.0,
      "votes_change_rate_pct": 30.831643,
      "baseline_vote_share_pct_muni": 3.380185,
      "target_vote_share_pct_muni": 4.439397,
      "vote_share_delta_pct_pt": 1.059212
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192023",
      "municipality_name": "富士吉田市",
      "municipality_name_en": "Fujiyoshida-shi",
      "baseline_votes": 819.868,
      "target_votes": 1066.0,
      "votes_delta": 246.132,
      "votes_change_rate_pct": 30.02093,
      "baseline_vote_share_pct_muni": 3.507007,
      "target_vote_share_pct_muni": 5.074257,
      "vote_share_delta_pct_pt": 1.56725
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192066",
      "municipality_name": "大月市",
      "municipality_name_en": "Otsuki-shi",
      "baseline_votes": 327.0,
      "target_votes": 423.0,
      "votes_delta": 96.0,
      "votes_change_rate_pct": 29.357798,
      "baseline_vote_share_pct_muni": 2.688481,
      "target_vote_share_pct_muni": 3.868667,
      "vote_share_delta_pct_pt": 1.180186
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192082",
      "municipality_name": "南アルプス市",
      "municipality_name_en": "Minamiarupusu-shi",
      "baseline_votes": 1039.5,
      "target_votes": 1337.0,
      "votes_delta": 297.5,
      "votes_change_rate_pct": 28.619529,
      "baseline_vote_share_pct_muni": 3.008944,
      "target_vote_share_pct_muni": 3.846375,
      "vote_share_delta_pct_pt": 0.837431
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192090",
      "municipality_name": "北杜市",
      "municipality_name_en": "Hokuto-shi",
      "baseline_votes": 724.8,
      "target_votes": 929.0,
      "votes_delta": 204.2,
      "votes_change_rate_pct": 28.173289,
      "baseline_vote_share_pct_muni": 2.823749,
      "target_vote_share_pct_muni": 3.558842,
      "vote_share_delta_pct_pt": 0.735093
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192104",
      "municipality_name": "甲斐市",
      "municipality_name_en": "Kai-shi",
      "baseline_votes": 1280.0,
      "target_votes": 1626.0,
      "votes_delta": 346.0,
      "votes_change_rate_pct": 27.03125,
      "baseline_vote_share_pct_muni": 3.560699,
      "target_vote_share_pct_muni": 4.553091,
      "vote_share_delta_pct_pt": 0.992392
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "193658",
      "municipality_name": "身延町",
      "municipality_name_en": "Minobu-cho",
      "baseline_votes": 112.0,
      "target_votes": 142.0,
      "votes_delta": 30.0,
      "votes_change_rate_pct": 26.785714,
      "baseline_vote_share_pct_muni": 2.043423,
      "target_vote_share_pct_muni": 2.557637,
      "vote_share_delta_pct_pt": 0.514214
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "193461",
      "municipality_name": "市川三郷町",
      "municipality_name_en": "Ichikawamisato-cho",
      "baseline_votes": 172.0,
      "target_votes": 214.0,
      "votes_delta": 42.0,
      "votes_change_rate_pct": 24.418605,
      "baseline_vote_share_pct_muni": 2.221935,
      "target_vote_share_pct_muni": 2.755601,
      "vote_share_delta_pct_pt": 0.533666
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194239",
      "municipality_name": "西桂町",
      "municipality_name_en": "Nishikatsura-cho",
      "baseline_votes": 53.0,
      "target_votes": 65.0,
      "votes_delta": 12.0,
      "votes_change_rate_pct": 22.641509,
      "baseline_vote_share_pct_muni": 2.319475,
      "target_vote_share_pct_muni": 3.167641,
      "vote_share_delta_pct_pt": 0.848166
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192120",
      "municipality_name": "上野原市",
      "municipality_name_en": "Uenohara-shi",
      "baseline_votes": 381.0,
      "target_votes": 463.0,
      "votes_delta": 82.0,
      "votes_change_rate_pct": 21.52231,
      "baseline_vote_share_pct_muni": 3.345627,
      "target_vote_share_pct_muni": 4.231789,
      "vote_share_delta_pct_pt": 0.886162
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "193844",
      "municipality_name": "昭和町",
      "municipality_name_en": "Showa-cho",
      "baseline_votes": 347.0,
      "target_votes": 417.0,
      "votes_delta": 70.0,
      "votes_change_rate_pct": 20.172911,
      "baseline_vote_share_pct_muni": 3.552052,
      "target_vote_share_pct_muni": 4.232214,
      "vote_share_delta_pct_pt": 0.680162
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192015",
      "municipality_name": "甲府市",
      "municipality_name_en": "Kofu-shi",
      "baseline_votes": 2996.0,
      "target_votes": 3503.0,
      "votes_delta": 507.0,
      "votes_change_rate_pct": 16.922563,
      "baseline_vote_share_pct_muni": 3.468355,
      "target_vote_share_pct_muni": 4.161964,
      "vote_share_delta_pct_pt": 0.693609
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "194247",
      "municipality_name": "忍野村",
      "municipality_name_en": "Oshino-mura",
      "baseline_votes": 181.0,
      "target_votes": 210.0,
      "votes_delta": 29.0,
      "votes_change_rate_pct": 16.022099,
      "baseline_vote_share_pct_muni": 3.850245,
      "target_vote_share_pct_muni": 4.87013,
      "vote_share_delta_pct_pt": 1.019885
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "192074",
      "municipality_name": "韮崎市",
      "municipality_name_en": "Nirasaki-shi",
      "baseline_votes": 469.714,
      "target_votes": 523.0,
      "votes_delta": 53.286,
      "votes_change_rate_pct": 11.34435,
      "baseline_vote_share_pct_muni": 3.288623,
      "target_vote_share_pct_muni": 3.631692,
      "vote_share_delta_pct_pt": 0.343069
    },
    {
      "prefecture_code": "19",
      "prefecture_name": "山梨県",
      "prefecture_name_en": "Yamanashi",
      "jis_code": "193682",
      "municipality_name": "富士川町",
      "municipality_name_en": "Fujikawa-cho",
      "baseline_votes": 234.0,
      "target_votes": 254.0,
      "votes_delta": 20.0,
      "votes_change_rate_pct": 8.547009,
      "baseline_vote_share_pct_muni": 3.076114,
      "target_vote_share_pct_muni": 3.451556,
      "vote_share_delta_pct_pt": 0.375442
    }
  ]
}