{
  "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": "44",
    "prefecture_name": "大分県",
    "prefecture_name_en": "Oita",
    "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": 18,
    "municipality_count": 18,
    "min_votes_change_rate_pct": 43.337881,
    "max_votes_change_rate_pct": 85.470085
  },
  "municipalities": [
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "444618",
      "municipality_name": "九重町",
      "municipality_name_en": "Kokonoe-machi",
      "baseline_votes": 117.0,
      "target_votes": 217.0,
      "votes_delta": 100.0,
      "votes_change_rate_pct": 85.470085,
      "baseline_vote_share_pct_muni": 2.769231,
      "target_vote_share_pct_muni": 5.130024,
      "vote_share_delta_pct_pt": 2.360793
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442119",
      "municipality_name": "宇佐市",
      "municipality_name_en": "Usa-shi",
      "baseline_votes": 802.0,
      "target_votes": 1477.0,
      "votes_delta": 675.0,
      "votes_change_rate_pct": 84.164589,
      "baseline_vote_share_pct_muni": 3.157605,
      "target_vote_share_pct_muni": 5.757836,
      "vote_share_delta_pct_pt": 2.600231
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442089",
      "municipality_name": "竹田市",
      "municipality_name_en": "Taketa-shi",
      "baseline_votes": 203.0,
      "target_votes": 369.0,
      "votes_delta": 166.0,
      "votes_change_rate_pct": 81.773399,
      "baseline_vote_share_pct_muni": 2.052371,
      "target_vote_share_pct_muni": 3.754961,
      "vote_share_delta_pct_pt": 1.70259
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442097",
      "municipality_name": "豊後高田市",
      "municipality_name_en": "Bungotakada-shi",
      "baseline_votes": 334.0,
      "target_votes": 606.0,
      "votes_delta": 272.0,
      "votes_change_rate_pct": 81.437126,
      "baseline_vote_share_pct_muni": 3.127634,
      "target_vote_share_pct_muni": 5.667259,
      "vote_share_delta_pct_pt": 2.539625
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442070",
      "municipality_name": "津久見市",
      "municipality_name_en": "Tsukumi-shi",
      "baseline_votes": 239.0,
      "target_votes": 432.0,
      "votes_delta": 193.0,
      "votes_change_rate_pct": 80.753138,
      "baseline_vote_share_pct_muni": 2.993862,
      "target_vote_share_pct_muni": 5.535623,
      "vote_share_delta_pct_pt": 2.541761
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442127",
      "municipality_name": "豊後大野市",
      "municipality_name_en": "Bungoono-shi",
      "baseline_votes": 373.0,
      "target_votes": 664.0,
      "votes_delta": 291.0,
      "votes_change_rate_pct": 78.016086,
      "baseline_vote_share_pct_muni": 2.333438,
      "target_vote_share_pct_muni": 4.084646,
      "vote_share_delta_pct_pt": 1.751208
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442143",
      "municipality_name": "国東市",
      "municipality_name_en": "Kunisaki-shi",
      "baseline_votes": 381.0,
      "target_votes": 671.0,
      "votes_delta": 290.0,
      "votes_change_rate_pct": 76.115486,
      "baseline_vote_share_pct_muni": 2.9229,
      "target_vote_share_pct_muni": 5.078332,
      "vote_share_delta_pct_pt": 2.155432
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442038",
      "municipality_name": "中津市",
      "municipality_name_en": "Nakatsu-shi",
      "baseline_votes": 1437.0,
      "target_votes": 2487.0,
      "votes_delta": 1050.0,
      "votes_change_rate_pct": 73.068894,
      "baseline_vote_share_pct_muni": 3.733631,
      "target_vote_share_pct_muni": 6.530473,
      "vote_share_delta_pct_pt": 2.796842
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442062",
      "municipality_name": "臼杵市",
      "municipality_name_en": "Usuki-shi",
      "baseline_votes": 553.038,
      "target_votes": 937.0,
      "votes_delta": 383.962,
      "votes_change_rate_pct": 69.427779,
      "baseline_vote_share_pct_muni": 3.16112,
      "target_vote_share_pct_muni": 5.340553,
      "vote_share_delta_pct_pt": 2.179433
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "444626",
      "municipality_name": "玖珠町",
      "municipality_name_en": "Kusu-machi",
      "baseline_votes": 182.0,
      "target_votes": 308.0,
      "votes_delta": 126.0,
      "votes_change_rate_pct": 69.230769,
      "baseline_vote_share_pct_muni": 2.614191,
      "target_vote_share_pct_muni": 4.497007,
      "vote_share_delta_pct_pt": 1.882816
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442046",
      "municipality_name": "日田市",
      "municipality_name_en": "Hita-shi",
      "baseline_votes": 1061.0,
      "target_votes": 1787.0,
      "votes_delta": 726.0,
      "votes_change_rate_pct": 68.426013,
      "baseline_vote_share_pct_muni": 3.420153,
      "target_vote_share_pct_muni": 5.914477,
      "vote_share_delta_pct_pt": 2.494324
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442054",
      "municipality_name": "佐伯市",
      "municipality_name_en": "Saiki-shi",
      "baseline_votes": 1015.0,
      "target_votes": 1705.0,
      "votes_delta": 690.0,
      "votes_change_rate_pct": 67.980296,
      "baseline_vote_share_pct_muni": 3.27145,
      "target_vote_share_pct_muni": 5.446588,
      "vote_share_delta_pct_pt": 2.175138
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "443220",
      "municipality_name": "姫島村",
      "municipality_name_en": "Himeshima-mura",
      "baseline_votes": 26.0,
      "target_votes": 43.0,
      "votes_delta": 17.0,
      "votes_change_rate_pct": 65.384615,
      "baseline_vote_share_pct_muni": 2.157676,
      "target_vote_share_pct_muni": 3.628692,
      "vote_share_delta_pct_pt": 1.471016
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "443417",
      "municipality_name": "日出町",
      "municipality_name_en": "Hiji-machi",
      "baseline_votes": 517.0,
      "target_votes": 831.0,
      "votes_delta": 314.0,
      "votes_change_rate_pct": 60.73501,
      "baseline_vote_share_pct_muni": 3.705562,
      "target_vote_share_pct_muni": 5.896544,
      "vote_share_delta_pct_pt": 2.190982
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442100",
      "municipality_name": "杵築市",
      "municipality_name_en": "Kitsuki-shi",
      "baseline_votes": 427.0,
      "target_votes": 676.0,
      "votes_delta": 249.0,
      "votes_change_rate_pct": 58.313817,
      "baseline_vote_share_pct_muni": 3.241725,
      "target_vote_share_pct_muni": 5.1773,
      "vote_share_delta_pct_pt": 1.935575
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442135",
      "municipality_name": "由布市",
      "municipality_name_en": "Yufu-shi",
      "baseline_votes": 477.0,
      "target_votes": 754.0,
      "votes_delta": 277.0,
      "votes_change_rate_pct": 58.071279,
      "baseline_vote_share_pct_muni": 2.962733,
      "target_vote_share_pct_muni": 4.833024,
      "vote_share_delta_pct_pt": 1.870291
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442020",
      "municipality_name": "別府市",
      "municipality_name_en": "Beppu-shi",
      "baseline_votes": 2186.0,
      "target_votes": 3342.0,
      "votes_delta": 1156.0,
      "votes_change_rate_pct": 52.881976,
      "baseline_vote_share_pct_muni": 4.071749,
      "target_vote_share_pct_muni": 6.405489,
      "vote_share_delta_pct_pt": 2.33374
    },
    {
      "prefecture_code": "44",
      "prefecture_name": "大分県",
      "prefecture_name_en": "Oita",
      "jis_code": "442011",
      "municipality_name": "大分市",
      "municipality_name_en": "Oita-shi",
      "baseline_votes": 8796.0,
      "target_votes": 12608.0,
      "votes_delta": 3812.0,
      "votes_change_rate_pct": 43.337881,
      "baseline_vote_share_pct_muni": 4.019926,
      "target_vote_share_pct_muni": 5.947506,
      "vote_share_delta_pct_pt": 1.92758
    }
  ]
}