{
  "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": "SDP",
    "party_label": "社民",
    "party_label_en": "Social Democratic 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": 20,
    "municipality_count": 20,
    "min_votes_change_rate_pct": -55.498198,
    "max_votes_change_rate_pct": -6.666667
  },
  "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": 15.0,
      "target_votes": 14.0,
      "votes_delta": -1.0,
      "votes_change_rate_pct": -6.666667,
      "baseline_vote_share_pct_muni": 0.648508,
      "target_vote_share_pct_muni": 0.581395,
      "vote_share_delta_pct_pt": -0.067113
    },
    {
      "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": 50.0,
      "target_votes": 38.0,
      "votes_delta": -12.0,
      "votes_change_rate_pct": -24.0,
      "baseline_vote_share_pct_muni": 1.309243,
      "target_vote_share_pct_muni": 0.949288,
      "vote_share_delta_pct_pt": -0.359955
    },
    {
      "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": 196.0,
      "target_votes": 140.0,
      "votes_delta": -56.0,
      "votes_change_rate_pct": -28.571429,
      "baseline_vote_share_pct_muni": 2.24848,
      "target_vote_share_pct_muni": 1.577998,
      "vote_share_delta_pct_pt": -0.670482
    },
    {
      "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": 296.464,
      "target_votes": 211.0,
      "votes_delta": -85.464,
      "votes_change_rate_pct": -28.827783,
      "baseline_vote_share_pct_muni": 2.411649,
      "target_vote_share_pct_muni": 1.69057,
      "vote_share_delta_pct_pt": -0.721079
    },
    {
      "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": 262.0,
      "target_votes": 180.0,
      "votes_delta": -82.0,
      "votes_change_rate_pct": -31.29771,
      "baseline_vote_share_pct_muni": 2.780726,
      "target_vote_share_pct_muni": 1.899135,
      "vote_share_delta_pct_pt": -0.881591
    },
    {
      "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": 473.0,
      "target_votes": 324.0,
      "votes_delta": -149.0,
      "votes_change_rate_pct": -31.501057,
      "baseline_vote_share_pct_muni": 1.920812,
      "target_vote_share_pct_muni": 1.309991,
      "vote_share_delta_pct_pt": -0.610821
    },
    {
      "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": 200.25,
      "target_votes": 136.0,
      "votes_delta": -64.25,
      "votes_change_rate_pct": -32.084894,
      "baseline_vote_share_pct_muni": 1.691872,
      "target_vote_share_pct_muni": 1.170799,
      "vote_share_delta_pct_pt": -0.521073
    },
    {
      "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": 58.0,
      "target_votes": 37.0,
      "votes_delta": -21.0,
      "votes_change_rate_pct": -36.206897,
      "baseline_vote_share_pct_muni": 1.886792,
      "target_vote_share_pct_muni": 1.213115,
      "vote_share_delta_pct_pt": -0.673677
    },
    {
      "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": 1076.0,
      "target_votes": 669.0,
      "votes_delta": -407.0,
      "votes_change_rate_pct": -37.825279,
      "baseline_vote_share_pct_muni": 3.041438,
      "target_vote_share_pct_muni": 1.974441,
      "vote_share_delta_pct_pt": -1.066997
    },
    {
      "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": 437.0,
      "target_votes": 269.0,
      "votes_delta": -168.0,
      "votes_change_rate_pct": -38.443936,
      "baseline_vote_share_pct_muni": 2.097231,
      "target_vote_share_pct_muni": 1.281807,
      "vote_share_delta_pct_pt": -0.815424
    },
    {
      "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": 145.0,
      "target_votes": 86.0,
      "votes_delta": -59.0,
      "votes_change_rate_pct": -40.689655,
      "baseline_vote_share_pct_muni": 1.897657,
      "target_vote_share_pct_muni": 1.136364,
      "vote_share_delta_pct_pt": -0.761293
    },
    {
      "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": 1052.922,
      "target_votes": 619.0,
      "votes_delta": -433.922,
      "votes_change_rate_pct": -41.21122,
      "baseline_vote_share_pct_muni": 1.985372,
      "target_vote_share_pct_muni": 1.127156,
      "vote_share_delta_pct_pt": -0.858216
    },
    {
      "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": 473.0,
      "target_votes": 272.0,
      "votes_delta": -201.0,
      "votes_change_rate_pct": -42.494715,
      "baseline_vote_share_pct_muni": 2.027259,
      "target_vote_share_pct_muni": 1.198238,
      "vote_share_delta_pct_pt": -0.829021
    },
    {
      "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": 2385.393,
      "target_votes": 1347.0,
      "votes_delta": -1038.393,
      "votes_change_rate_pct": -43.531317,
      "baseline_vote_share_pct_muni": 2.197648,
      "target_vote_share_pct_muni": 1.29457,
      "vote_share_delta_pct_pt": -0.903078
    },
    {
      "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": 195.0,
      "target_votes": 110.0,
      "votes_delta": -85.0,
      "votes_change_rate_pct": -43.589744,
      "baseline_vote_share_pct_muni": 2.05328,
      "target_vote_share_pct_muni": 1.143808,
      "vote_share_delta_pct_pt": -0.909472
    },
    {
      "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": 175.0,
      "target_votes": 93.0,
      "votes_delta": -82.0,
      "votes_change_rate_pct": -46.857143,
      "baseline_vote_share_pct_muni": 1.625337,
      "target_vote_share_pct_muni": 0.835955,
      "vote_share_delta_pct_pt": -0.789382
    },
    {
      "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": 73.0,
      "target_votes": 38.0,
      "votes_delta": -35.0,
      "votes_change_rate_pct": -47.945205,
      "baseline_vote_share_pct_muni": 1.461754,
      "target_vote_share_pct_muni": 0.766284,
      "vote_share_delta_pct_pt": -0.69547
    },
    {
      "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": 344.0,
      "target_votes": 176.0,
      "votes_delta": -168.0,
      "votes_change_rate_pct": -48.837209,
      "baseline_vote_share_pct_muni": 2.286322,
      "target_vote_share_pct_muni": 1.191363,
      "vote_share_delta_pct_pt": -1.094959
    },
    {
      "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": 246.0,
      "target_votes": 118.0,
      "votes_delta": -128.0,
      "votes_change_rate_pct": -52.03252,
      "baseline_vote_share_pct_muni": 1.911868,
      "target_vote_share_pct_muni": 0.92058,
      "vote_share_delta_pct_pt": -0.991288
    },
    {
      "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": 89.884,
      "target_votes": 40.0,
      "votes_delta": -49.884,
      "votes_change_rate_pct": -55.498198,
      "baseline_vote_share_pct_muni": 1.920188,
      "target_vote_share_pct_muni": 0.873362,
      "vote_share_delta_pct_pt": -1.046826
    }
  ]
}