{
  "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": "42",
    "prefecture_name": "長崎県",
    "prefecture_name_en": "Nagasaki",
    "party_id": "JCP",
    "party_label": "共産",
    "party_label_en": "Japanese Communist 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": 21,
    "municipality_count": 21,
    "min_votes_change_rate_pct": -99.913859,
    "max_votes_change_rate_pct": 23.543398
  },
  "municipalities": [
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422070",
      "municipality_name": "平戸市",
      "municipality_name_en": "Hirado-shi",
      "baseline_votes": 322.154,
      "target_votes": 398.0,
      "votes_delta": 75.846,
      "votes_change_rate_pct": 23.543398,
      "baseline_vote_share_pct_muni": 2.444821,
      "target_vote_share_pct_muni": 8.469887,
      "vote_share_delta_pct_pt": 6.025066
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423831",
      "municipality_name": "小値賀町",
      "municipality_name_en": "Ojika-cho",
      "baseline_votes": 28.0,
      "target_votes": 34.0,
      "votes_delta": 6.0,
      "votes_change_rate_pct": 21.428571,
      "baseline_vote_share_pct_muni": 2.078693,
      "target_vote_share_pct_muni": 2.425107,
      "vote_share_delta_pct_pt": 0.346414
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423912",
      "municipality_name": "佐々町",
      "municipality_name_en": "Saza-cho",
      "baseline_votes": 189.121,
      "target_votes": 214.0,
      "votes_delta": 24.879,
      "votes_change_rate_pct": 13.15507,
      "baseline_vote_share_pct_muni": 3.207071,
      "target_vote_share_pct_muni": 6.556373,
      "vote_share_delta_pct_pt": 3.349302
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422142",
      "municipality_name": "南島原市",
      "municipality_name_en": "Minamishimabara-shi",
      "baseline_votes": 540.036,
      "target_votes": 601.0,
      "votes_delta": 60.964,
      "votes_change_rate_pct": 11.288877,
      "baseline_vote_share_pct_muni": 3.037323,
      "target_vote_share_pct_muni": 21.579892,
      "vote_share_delta_pct_pt": 18.542569
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422126",
      "municipality_name": "西海市",
      "municipality_name_en": "Saikai-shi",
      "baseline_votes": 392.083,
      "target_votes": 395.0,
      "votes_delta": 2.917,
      "votes_change_rate_pct": 0.743975,
      "baseline_vote_share_pct_muni": 3.403794,
      "target_vote_share_pct_muni": 13.092476,
      "vote_share_delta_pct_pt": 9.688682
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423238",
      "municipality_name": "波佐見町",
      "municipality_name_en": "Hasami-cho",
      "baseline_votes": 123.0,
      "target_votes": 123.0,
      "votes_delta": 0.0,
      "votes_change_rate_pct": 0.0,
      "baseline_vote_share_pct_muni": 1.868733,
      "target_vote_share_pct_muni": 4.758221,
      "vote_share_delta_pct_pt": 2.889488
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422118",
      "municipality_name": "五島市",
      "municipality_name_en": "Goto-shi",
      "baseline_votes": 587.0,
      "target_votes": 585.0,
      "votes_delta": -2.0,
      "votes_change_rate_pct": -0.340716,
      "baseline_vote_share_pct_muni": 3.721785,
      "target_vote_share_pct_muni": 24.946695,
      "vote_share_delta_pct_pt": 21.22491
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422134",
      "municipality_name": "雲仙市",
      "municipality_name_en": "Unzen-shi",
      "baseline_votes": 419.073,
      "target_votes": 413.0,
      "votes_delta": -6.073,
      "votes_change_rate_pct": -1.449151,
      "baseline_vote_share_pct_muni": 2.423088,
      "target_vote_share_pct_muni": 12.492438,
      "vote_share_delta_pct_pt": 10.06935
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423220",
      "municipality_name": "川棚町",
      "municipality_name_en": "Kawatana-cho",
      "baseline_votes": 210.051,
      "target_votes": 190.0,
      "votes_delta": -20.051,
      "votes_change_rate_pct": -9.545777,
      "baseline_vote_share_pct_muni": 3.564415,
      "target_vote_share_pct_muni": 8.482143,
      "vote_share_delta_pct_pt": 4.917728
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422037",
      "municipality_name": "島原市",
      "municipality_name_en": "Shimabara-shi",
      "baseline_votes": 551.37,
      "target_votes": 486.0,
      "votes_delta": -65.37,
      "votes_change_rate_pct": -11.855923,
      "baseline_vote_share_pct_muni": 3.099848,
      "target_vote_share_pct_muni": 13.492504,
      "vote_share_delta_pct_pt": 10.392656
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "424110",
      "municipality_name": "新上五島町",
      "municipality_name_en": "Shinkamigoto-cho",
      "baseline_votes": 175.139,
      "target_votes": 154.0,
      "votes_delta": -21.139,
      "votes_change_rate_pct": -12.069842,
      "baseline_vote_share_pct_muni": 1.993387,
      "target_vote_share_pct_muni": 6.041585,
      "vote_share_delta_pct_pt": 4.048198
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423076",
      "municipality_name": "長与町",
      "municipality_name_en": "Nagayo-cho",
      "baseline_votes": 568.0,
      "target_votes": 496.0,
      "votes_delta": -72.0,
      "votes_change_rate_pct": -12.676056,
      "baseline_vote_share_pct_muni": 2.955716,
      "target_vote_share_pct_muni": 24.899598,
      "vote_share_delta_pct_pt": 21.943882
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422096",
      "municipality_name": "対馬市",
      "municipality_name_en": "Tsushima-shi",
      "baseline_votes": 222.282,
      "target_votes": 188.0,
      "votes_delta": -34.282,
      "votes_change_rate_pct": -15.422751,
      "baseline_vote_share_pct_muni": 1.671796,
      "target_vote_share_pct_muni": 4.851613,
      "vote_share_delta_pct_pt": 3.179817
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423211",
      "municipality_name": "東彼杵町",
      "municipality_name_en": "Higashisonogi-cho",
      "baseline_votes": 84.0,
      "target_votes": 71.0,
      "votes_delta": -13.0,
      "votes_change_rate_pct": -15.47619,
      "baseline_vote_share_pct_muni": 2.368198,
      "target_vote_share_pct_muni": 3.485518,
      "vote_share_delta_pct_pt": 1.11732
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422088",
      "municipality_name": "松浦市",
      "municipality_name_en": "Matsuura-shi",
      "baseline_votes": 305.31,
      "target_votes": 257.0,
      "votes_delta": -48.31,
      "votes_change_rate_pct": -15.823262,
      "baseline_vote_share_pct_muni": 3.275858,
      "target_vote_share_pct_muni": 8.344156,
      "vote_share_delta_pct_pt": 5.068298
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422100",
      "municipality_name": "壱岐市",
      "municipality_name_en": "Iki-shi",
      "baseline_votes": 330.237,
      "target_votes": 248.0,
      "votes_delta": -82.237,
      "votes_change_rate_pct": -24.902419,
      "baseline_vote_share_pct_muni": 2.450011,
      "target_vote_share_pct_muni": 6.636339,
      "vote_share_delta_pct_pt": 4.186328
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423084",
      "municipality_name": "時津町",
      "municipality_name_en": "Togitsu-cho",
      "baseline_votes": 359.035,
      "target_votes": 255.0,
      "votes_delta": -104.035,
      "votes_change_rate_pct": -28.976284,
      "baseline_vote_share_pct_muni": 2.794699,
      "target_vote_share_pct_muni": 7.128879,
      "vote_share_delta_pct_pt": 4.33418
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422010",
      "municipality_name": "長崎市",
      "municipality_name_en": "Nagasaki-shi",
      "baseline_votes": 7022.917,
      "target_votes": 6.532,
      "votes_delta": -7016.385,
      "votes_change_rate_pct": -99.90699,
      "baseline_vote_share_pct_muni": 3.923286,
      "target_vote_share_pct_muni": 3.60884,
      "vote_share_delta_pct_pt": -0.314446
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422053",
      "municipality_name": "大村市",
      "municipality_name_en": "Omura-shi",
      "baseline_votes": 1246.056,
      "target_votes": 1.094,
      "votes_delta": -1244.962,
      "votes_change_rate_pct": -99.912203,
      "baseline_vote_share_pct_muni": 2.848519,
      "target_vote_share_pct_muni": 0.047115,
      "vote_share_delta_pct_pt": -2.801404
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422045",
      "municipality_name": "諫早市",
      "municipality_name_en": "Isahaya-shi",
      "baseline_votes": 2135.465,
      "target_votes": 1.858,
      "votes_delta": -2133.607,
      "votes_change_rate_pct": -99.912993,
      "baseline_vote_share_pct_muni": 3.588956,
      "target_vote_share_pct_muni": 0.178311,
      "vote_share_delta_pct_pt": -3.410645
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422029",
      "municipality_name": "佐世保市",
      "municipality_name_en": "Sasebo-shi",
      "baseline_votes": 2368.208,
      "target_votes": 2.04,
      "votes_delta": -2366.168,
      "votes_change_rate_pct": -99.913859,
      "baseline_vote_share_pct_muni": 2.343786,
      "target_vote_share_pct_muni": 2.04,
      "vote_share_delta_pct_pt": -0.303786
    }
  ]
}