{
  "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": "DPP",
    "party_label": "国民",
    "party_label_en": "Democratic Party for the People",
    "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": -99.932164,
    "max_votes_change_rate_pct": -6.967772
  },
  "municipalities": [
    {
      "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": 321.394,
      "target_votes": 299.0,
      "votes_delta": -22.394,
      "votes_change_rate_pct": -6.967772,
      "baseline_vote_share_pct_muni": 9.061009,
      "target_vote_share_pct_muni": 14.678449,
      "vote_share_delta_pct_pt": 5.61744
    },
    {
      "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": 1156.535,
      "target_votes": 986.0,
      "votes_delta": -170.535,
      "votes_change_rate_pct": -14.745338,
      "baseline_vote_share_pct_muni": 8.776922,
      "target_vote_share_pct_muni": 20.983188,
      "vote_share_delta_pct_pt": 12.206266
    },
    {
      "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": 1038.01,
      "target_votes": 859.0,
      "votes_delta": -179.01,
      "votes_change_rate_pct": -17.245499,
      "baseline_vote_share_pct_muni": 7.806934,
      "target_vote_share_pct_muni": 22.167742,
      "vote_share_delta_pct_pt": 14.360808
    },
    {
      "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": 768.521,
      "target_votes": 626.0,
      "votes_delta": -142.521,
      "votes_change_rate_pct": -18.544841,
      "baseline_vote_share_pct_muni": 8.747109,
      "target_vote_share_pct_muni": 24.55865,
      "vote_share_delta_pct_pt": 15.811541
    },
    {
      "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": 690.402,
      "target_votes": 553.0,
      "votes_delta": -137.402,
      "votes_change_rate_pct": -19.901738,
      "baseline_vote_share_pct_muni": 11.707682,
      "target_vote_share_pct_muni": 16.942402,
      "vote_share_delta_pct_pt": 5.23472
    },
    {
      "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": 997.607,
      "target_votes": 768.0,
      "votes_delta": -229.607,
      "votes_change_rate_pct": -23.015777,
      "baseline_vote_share_pct_muni": 10.703938,
      "target_vote_share_pct_muni": 24.935065,
      "vote_share_delta_pct_pt": 14.231127
    },
    {
      "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": 593.291,
      "target_votes": 448.0,
      "votes_delta": -145.291,
      "votes_change_rate_pct": -24.488994,
      "baseline_vote_share_pct_muni": 10.067724,
      "target_vote_share_pct_muni": 20.0,
      "vote_share_delta_pct_pt": 9.932276
    },
    {
      "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": 112.486,
      "target_votes": 84.0,
      "votes_delta": -28.486,
      "votes_change_rate_pct": -25.32404,
      "baseline_vote_share_pct_muni": 8.350854,
      "target_vote_share_pct_muni": 5.991441,
      "vote_share_delta_pct_pt": -2.359413
    },
    {
      "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": 730.674,
      "target_votes": 523.0,
      "votes_delta": -207.674,
      "votes_change_rate_pct": -28.422251,
      "baseline_vote_share_pct_muni": 11.101094,
      "target_vote_share_pct_muni": 20.232108,
      "vote_share_delta_pct_pt": 9.131014
    },
    {
      "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": 1084.758,
      "target_votes": 774.0,
      "votes_delta": -310.758,
      "votes_change_rate_pct": -28.64768,
      "baseline_vote_share_pct_muni": 8.047763,
      "target_vote_share_pct_muni": 20.711801,
      "vote_share_delta_pct_pt": 12.664038
    },
    {
      "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": 32270.556,
      "target_votes": 29.04,
      "votes_delta": -32241.516,
      "votes_change_rate_pct": -99.910011,
      "baseline_vote_share_pct_muni": 18.027639,
      "target_vote_share_pct_muni": 16.044199,
      "vote_share_delta_pct_pt": -1.98344
    },
    {
      "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": 1224.545,
      "target_votes": 1.085,
      "votes_delta": -1223.46,
      "votes_change_rate_pct": -99.911396,
      "baseline_vote_share_pct_muni": 10.630654,
      "target_vote_share_pct_muni": 0.035963,
      "vote_share_delta_pct_pt": -10.594691
    },
    {
      "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": 1485.113,
      "target_votes": 1.246,
      "votes_delta": -1483.867,
      "votes_change_rate_pct": -99.916101,
      "baseline_vote_share_pct_muni": 8.352717,
      "target_vote_share_pct_muni": 0.04474,
      "vote_share_delta_pct_pt": -8.307977
    },
    {
      "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": 1615.752,
      "target_votes": 1.342,
      "votes_delta": -1614.41,
      "votes_change_rate_pct": -99.916943,
      "baseline_vote_share_pct_muni": 9.083893,
      "target_vote_share_pct_muni": 0.037257,
      "vote_share_delta_pct_pt": -9.046636
    },
    {
      "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": 1687.058,
      "target_votes": 1.395,
      "votes_delta": -1685.663,
      "votes_change_rate_pct": -99.917312,
      "baseline_vote_share_pct_muni": 9.7546,
      "target_vote_share_pct_muni": 0.042196,
      "vote_share_delta_pct_pt": -9.712404
    },
    {
      "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": 1446.705,
      "target_votes": 1.123,
      "votes_delta": -1445.582,
      "votes_change_rate_pct": -99.922375,
      "baseline_vote_share_pct_muni": 9.172616,
      "target_vote_share_pct_muni": 0.047889,
      "vote_share_delta_pct_pt": -9.124727
    },
    {
      "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": 7687.752,
      "target_votes": 5.765,
      "votes_delta": -7681.987,
      "votes_change_rate_pct": -99.925011,
      "baseline_vote_share_pct_muni": 12.920374,
      "target_vote_share_pct_muni": 0.553263,
      "vote_share_delta_pct_pt": -12.367111
    },
    {
      "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": 3336.988,
      "target_votes": 2.45,
      "votes_delta": -3334.538,
      "votes_change_rate_pct": -99.92658,
      "baseline_vote_share_pct_muni": 17.364771,
      "target_vote_share_pct_muni": 0.122992,
      "vote_share_delta_pct_pt": -17.241779
    },
    {
      "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": 2282.422,
      "target_votes": 1.584,
      "votes_delta": -2280.838,
      "votes_change_rate_pct": -99.9306,
      "baseline_vote_share_pct_muni": 17.766187,
      "target_vote_share_pct_muni": 0.044283,
      "vote_share_delta_pct_pt": -17.721904
    },
    {
      "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": 5597.022,
      "target_votes": 3.863,
      "votes_delta": -5593.159,
      "votes_change_rate_pct": -99.930981,
      "baseline_vote_share_pct_muni": 12.794948,
      "target_vote_share_pct_muni": 0.166365,
      "vote_share_delta_pct_pt": -12.628583
    },
    {
      "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": 12301.671,
      "target_votes": 8.345,
      "votes_delta": -12293.326,
      "votes_change_rate_pct": -99.932164,
      "baseline_vote_share_pct_muni": 12.174809,
      "target_vote_share_pct_muni": 8.345,
      "vote_share_delta_pct_pt": -3.829809
    }
  ]
}