{
  "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": "TMI",
    "party_label": "みらい",
    "party_label_en": "Team Mirai",
    "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": 161.764706,
    "max_votes_change_rate_pct": 510.0
  },
  "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": 10.0,
      "target_votes": 61.0,
      "votes_delta": 51.0,
      "votes_change_rate_pct": 510.0,
      "baseline_vote_share_pct_muni": 0.432339,
      "target_vote_share_pct_muni": 2.533223,
      "vote_share_delta_pct_pt": 2.100884
    },
    {
      "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": 67.0,
      "target_votes": 394.0,
      "votes_delta": 327.0,
      "votes_change_rate_pct": 488.059701,
      "baseline_vote_share_pct_muni": 0.876849,
      "target_vote_share_pct_muni": 5.206131,
      "vote_share_delta_pct_pt": 4.329282
    },
    {
      "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": 82.0,
      "target_votes": 482.0,
      "votes_delta": 400.0,
      "votes_change_rate_pct": 487.804878,
      "baseline_vote_share_pct_muni": 0.863431,
      "target_vote_share_pct_muni": 5.011958,
      "vote_share_delta_pct_pt": 4.148527
    },
    {
      "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": 39.0,
      "target_votes": 229.0,
      "votes_delta": 190.0,
      "votes_change_rate_pct": 487.179487,
      "baseline_vote_share_pct_muni": 0.780937,
      "target_vote_share_pct_muni": 4.617867,
      "vote_share_delta_pct_pt": 3.83693
    },
    {
      "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": 63.0,
      "target_votes": 365.0,
      "votes_delta": 302.0,
      "votes_change_rate_pct": 479.365079,
      "baseline_vote_share_pct_muni": 0.585121,
      "target_vote_share_pct_muni": 3.280899,
      "vote_share_delta_pct_pt": 2.695778
    },
    {
      "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": 21.0,
      "target_votes": 119.0,
      "votes_delta": 98.0,
      "votes_change_rate_pct": 466.666667,
      "baseline_vote_share_pct_muni": 0.683149,
      "target_vote_share_pct_muni": 3.901639,
      "vote_share_delta_pct_pt": 3.21849
    },
    {
      "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": 169.935,
      "target_votes": 955.0,
      "votes_delta": 785.065,
      "votes_change_rate_pct": 461.97958,
      "baseline_vote_share_pct_muni": 0.690091,
      "target_vote_share_pct_muni": 3.861238,
      "vote_share_delta_pct_pt": 3.171147
    },
    {
      "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": 56.0,
      "target_votes": 314.0,
      "votes_delta": 258.0,
      "votes_change_rate_pct": 460.714286,
      "baseline_vote_share_pct_muni": 0.642423,
      "target_vote_share_pct_muni": 3.539225,
      "vote_share_delta_pct_pt": 2.896802
    },
    {
      "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": 80.0,
      "target_votes": 433.0,
      "votes_delta": 353.0,
      "votes_change_rate_pct": 441.25,
      "baseline_vote_share_pct_muni": 0.621746,
      "target_vote_share_pct_muni": 3.378062,
      "vote_share_delta_pct_pt": 2.756316
    },
    {
      "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": 420.01,
      "target_votes": 2239.0,
      "votes_delta": 1818.99,
      "votes_change_rate_pct": 433.082546,
      "baseline_vote_share_pct_muni": 0.791964,
      "target_vote_share_pct_muni": 4.077062,
      "vote_share_delta_pct_pt": 3.285098
    },
    {
      "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": 193.0,
      "target_votes": 1002.0,
      "votes_delta": 809.0,
      "votes_change_rate_pct": 419.170984,
      "baseline_vote_share_pct_muni": 0.82719,
      "target_vote_share_pct_muni": 4.414097,
      "vote_share_delta_pct_pt": 3.586907
    },
    {
      "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": 138.0,
      "target_votes": 713.0,
      "votes_delta": 575.0,
      "votes_change_rate_pct": 416.666667,
      "baseline_vote_share_pct_muni": 0.917187,
      "target_vote_share_pct_muni": 4.826372,
      "vote_share_delta_pct_pt": 3.909185
    },
    {
      "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": 110.0,
      "target_votes": 567.0,
      "votes_delta": 457.0,
      "votes_change_rate_pct": 415.454545,
      "baseline_vote_share_pct_muni": 0.894818,
      "target_vote_share_pct_muni": 4.542905,
      "vote_share_delta_pct_pt": 3.648087
    },
    {
      "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": 101.0,
      "target_votes": 491.0,
      "votes_delta": 390.0,
      "votes_change_rate_pct": 386.138614,
      "baseline_vote_share_pct_muni": 0.853329,
      "target_vote_share_pct_muni": 4.226928,
      "vote_share_delta_pct_pt": 3.373599
    },
    {
      "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": 188.0,
      "target_votes": 895.0,
      "votes_delta": 707.0,
      "votes_change_rate_pct": 376.06383,
      "baseline_vote_share_pct_muni": 0.902241,
      "target_vote_share_pct_muni": 4.264748,
      "vote_share_delta_pct_pt": 3.362507
    },
    {
      "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": 52.0,
      "target_votes": 228.0,
      "votes_delta": 176.0,
      "votes_change_rate_pct": 338.461538,
      "baseline_vote_share_pct_muni": 1.110874,
      "target_vote_share_pct_muni": 4.978166,
      "vote_share_delta_pct_pt": 3.867292
    },
    {
      "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": 148.0,
      "target_votes": 645.0,
      "votes_delta": 497.0,
      "votes_change_rate_pct": 335.810811,
      "baseline_vote_share_pct_muni": 1.570792,
      "target_vote_share_pct_muni": 6.805233,
      "vote_share_delta_pct_pt": 5.234441
    },
    {
      "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": 1441.0,
      "target_votes": 6127.0,
      "votes_delta": 4686.0,
      "votes_change_rate_pct": 325.19084,
      "baseline_vote_share_pct_muni": 1.327584,
      "target_vote_share_pct_muni": 5.888515,
      "vote_share_delta_pct_pt": 4.560931
    },
    {
      "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": 560.0,
      "target_votes": 2338.0,
      "votes_delta": 1778.0,
      "votes_change_rate_pct": 317.5,
      "baseline_vote_share_pct_muni": 1.582905,
      "target_vote_share_pct_muni": 6.900215,
      "vote_share_delta_pct_pt": 5.31731
    },
    {
      "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": 34.0,
      "target_votes": 89.0,
      "votes_delta": 55.0,
      "votes_change_rate_pct": 161.764706,
      "baseline_vote_share_pct_muni": 0.890285,
      "target_vote_share_pct_muni": 2.223333,
      "vote_share_delta_pct_pt": 1.333048
    }
  ]
}