{
  "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": "41",
    "prefecture_name": "佐賀県",
    "prefecture_name_en": "Saga",
    "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": 20,
    "municipality_count": 20,
    "min_votes_change_rate_pct": 18.589744,
    "max_votes_change_rate_pct": 103.703704
  },
  "municipalities": [
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "413879",
      "municipality_name": "玄海町",
      "municipality_name_en": "Genkai-cho",
      "baseline_votes": 27.0,
      "target_votes": 55.0,
      "votes_delta": 28.0,
      "votes_change_rate_pct": 103.703704,
      "baseline_vote_share_pct_muni": 1.167315,
      "target_vote_share_pct_muni": 2.284053,
      "vote_share_delta_pct_pt": 1.116738
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "414239",
      "municipality_name": "大町町",
      "municipality_name_en": "Omachi-cho",
      "baseline_votes": 54.0,
      "target_votes": 93.0,
      "votes_delta": 39.0,
      "votes_change_rate_pct": 72.222222,
      "baseline_vote_share_pct_muni": 1.756669,
      "target_vote_share_pct_muni": 3.04918,
      "vote_share_delta_pct_pt": 1.292511
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "414417",
      "municipality_name": "太良町",
      "municipality_name_en": "Tara-cho",
      "baseline_votes": 70.0,
      "target_votes": 118.0,
      "votes_delta": 48.0,
      "votes_change_rate_pct": 68.571429,
      "baseline_vote_share_pct_muni": 1.832941,
      "target_vote_share_pct_muni": 2.947789,
      "vote_share_delta_pct_pt": 1.114848
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412040",
      "municipality_name": "多久市",
      "municipality_name_en": "Taku-shi",
      "baseline_votes": 199.0,
      "target_votes": 322.0,
      "votes_delta": 123.0,
      "votes_change_rate_pct": 61.809045,
      "baseline_vote_share_pct_muni": 2.282895,
      "target_vote_share_pct_muni": 3.629396,
      "vote_share_delta_pct_pt": 1.346501
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412023",
      "municipality_name": "唐津市",
      "municipality_name_en": "Karatsu-shi",
      "baseline_votes": 1380.077,
      "target_votes": 2069.0,
      "votes_delta": 688.923,
      "votes_change_rate_pct": 49.919171,
      "baseline_vote_share_pct_muni": 2.60225,
      "target_vote_share_pct_muni": 3.767504,
      "vote_share_delta_pct_pt": 1.165254
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "413275",
      "municipality_name": "吉野ヶ里町",
      "municipality_name_en": "Yoshinogari-cho",
      "baseline_votes": 211.0,
      "target_votes": 314.0,
      "votes_delta": 103.0,
      "votes_change_rate_pct": 48.815166,
      "baseline_vote_share_pct_muni": 2.761419,
      "target_vote_share_pct_muni": 4.149049,
      "vote_share_delta_pct_pt": 1.38763
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "414018",
      "municipality_name": "有田町",
      "municipality_name_en": "Arita-cho",
      "baseline_votes": 272.0,
      "target_votes": 403.0,
      "votes_delta": 131.0,
      "votes_change_rate_pct": 48.161765,
      "baseline_vote_share_pct_muni": 2.864062,
      "target_vote_share_pct_muni": 4.190496,
      "vote_share_delta_pct_pt": 1.326434
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412074",
      "municipality_name": "鹿島市",
      "municipality_name_en": "Kashima-shi",
      "baseline_votes": 304.0,
      "target_votes": 450.0,
      "votes_delta": 146.0,
      "votes_change_rate_pct": 48.026316,
      "baseline_vote_share_pct_muni": 2.362633,
      "target_vote_share_pct_muni": 3.510688,
      "vote_share_delta_pct_pt": 1.148055
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "413461",
      "municipality_name": "みやき町",
      "municipality_name_en": "Miyaki-cho",
      "baseline_votes": 364.035,
      "target_votes": 513.0,
      "votes_delta": 148.965,
      "votes_change_rate_pct": 40.920516,
      "baseline_vote_share_pct_muni": 2.961319,
      "target_vote_share_pct_muni": 4.110248,
      "vote_share_delta_pct_pt": 1.148929
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412058",
      "municipality_name": "伊万里市",
      "municipality_name_en": "Imari-shi",
      "baseline_votes": 710.0,
      "target_votes": 1000.0,
      "votes_delta": 290.0,
      "votes_change_rate_pct": 40.84507,
      "baseline_vote_share_pct_muni": 2.883249,
      "target_vote_share_pct_muni": 4.043181,
      "vote_share_delta_pct_pt": 1.159932
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "414255",
      "municipality_name": "白石町",
      "municipality_name_en": "Shiroishi-cho",
      "baseline_votes": 242.0,
      "target_votes": 339.0,
      "votes_delta": 97.0,
      "votes_change_rate_pct": 40.082645,
      "baseline_vote_share_pct_muni": 2.247608,
      "target_vote_share_pct_muni": 3.047191,
      "vote_share_delta_pct_pt": 0.799583
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "413453",
      "municipality_name": "上峰町",
      "municipality_name_en": "Kamimine-cho",
      "baseline_votes": 126.115,
      "target_votes": 174.0,
      "votes_delta": 47.885,
      "votes_change_rate_pct": 37.969314,
      "baseline_vote_share_pct_muni": 2.694189,
      "target_vote_share_pct_muni": 3.799127,
      "vote_share_delta_pct_pt": 1.104938
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412082",
      "municipality_name": "小城市",
      "municipality_name_en": "Ogi-shi",
      "baseline_votes": 549.0,
      "target_votes": 743.0,
      "votes_delta": 194.0,
      "votes_change_rate_pct": 35.336976,
      "baseline_vote_share_pct_muni": 2.634736,
      "target_vote_share_pct_muni": 3.540456,
      "vote_share_delta_pct_pt": 0.90572
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412066",
      "municipality_name": "武雄市",
      "municipality_name_en": "Takeo-shi",
      "baseline_votes": 652.0,
      "target_votes": 879.0,
      "votes_delta": 227.0,
      "votes_change_rate_pct": 34.815951,
      "baseline_vote_share_pct_muni": 2.794445,
      "target_vote_share_pct_muni": 3.872247,
      "vote_share_delta_pct_pt": 1.077802
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412104",
      "municipality_name": "神埼市",
      "municipality_name_en": "Kanzaki-shi",
      "baseline_votes": 408.0,
      "target_votes": 533.0,
      "votes_delta": 125.0,
      "votes_change_rate_pct": 30.637255,
      "baseline_vote_share_pct_muni": 2.711684,
      "target_vote_share_pct_muni": 3.607933,
      "vote_share_delta_pct_pt": 0.896249
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "414247",
      "municipality_name": "江北町",
      "municipality_name_en": "Kouhoku-machi",
      "baseline_votes": 149.0,
      "target_votes": 185.0,
      "votes_delta": 36.0,
      "votes_change_rate_pct": 24.161074,
      "baseline_vote_share_pct_muni": 2.98358,
      "target_vote_share_pct_muni": 3.730591,
      "vote_share_delta_pct_pt": 0.747011
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "413410",
      "municipality_name": "基山町",
      "municipality_name_en": "Kiyama-cho",
      "baseline_votes": 355.0,
      "target_votes": 437.0,
      "votes_delta": 82.0,
      "votes_change_rate_pct": 23.098592,
      "baseline_vote_share_pct_muni": 3.767778,
      "target_vote_share_pct_muni": 4.610677,
      "vote_share_delta_pct_pt": 0.842899
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412015",
      "municipality_name": "佐賀市",
      "municipality_name_en": "Saga-shi",
      "baseline_votes": 3402.047,
      "target_votes": 4102.0,
      "votes_delta": 699.953,
      "votes_change_rate_pct": 20.574466,
      "baseline_vote_share_pct_muni": 3.134285,
      "target_vote_share_pct_muni": 3.942335,
      "vote_share_delta_pct_pt": 0.80805
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412031",
      "municipality_name": "鳥栖市",
      "municipality_name_en": "Tosu-shi",
      "baseline_votes": 1467.0,
      "target_votes": 1743.0,
      "votes_delta": 276.0,
      "votes_change_rate_pct": 18.813906,
      "baseline_vote_share_pct_muni": 4.146645,
      "target_vote_share_pct_muni": 5.144173,
      "vote_share_delta_pct_pt": 0.997528
    },
    {
      "prefecture_code": "41",
      "prefecture_name": "佐賀県",
      "prefecture_name_en": "Saga",
      "jis_code": "412090",
      "municipality_name": "嬉野市",
      "municipality_name_en": "Ureshino-shi",
      "baseline_votes": 312.0,
      "target_votes": 370.0,
      "votes_delta": 58.0,
      "votes_change_rate_pct": 18.589744,
      "baseline_vote_share_pct_muni": 2.636026,
      "target_vote_share_pct_muni": 3.185262,
      "vote_share_delta_pct_pt": 0.549236
    }
  ]
}