{
  "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": "JHP",
    "party_label": "保守",
    "party_label_en": "Japan Conservative 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": -99.949299,
    "max_votes_change_rate_pct": -21.33758
  },
  "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": 314.0,
      "target_votes": 247.0,
      "votes_delta": -67.0,
      "votes_change_rate_pct": -21.33758,
      "baseline_vote_share_pct_muni": 2.38294,
      "target_vote_share_pct_muni": 5.256438,
      "vote_share_delta_pct_pt": 2.873498
    },
    {
      "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": 22.0,
      "target_votes": 16.0,
      "votes_delta": -6.0,
      "votes_change_rate_pct": -27.272727,
      "baseline_vote_share_pct_muni": 1.633259,
      "target_vote_share_pct_muni": 1.141227,
      "vote_share_delta_pct_pt": -0.492032
    },
    {
      "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": 222.0,
      "target_votes": 149.0,
      "votes_delta": -73.0,
      "votes_change_rate_pct": -32.882883,
      "baseline_vote_share_pct_muni": 2.381974,
      "target_vote_share_pct_muni": 4.837662,
      "vote_share_delta_pct_pt": 2.455688
    },
    {
      "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": 399.95,
      "target_votes": 263.0,
      "votes_delta": -136.95,
      "votes_change_rate_pct": -34.24178,
      "baseline_vote_share_pct_muni": 2.249438,
      "target_vote_share_pct_muni": 9.443447,
      "vote_share_delta_pct_pt": 7.194009
    },
    {
      "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": 230.0,
      "target_votes": 135.0,
      "votes_delta": -95.0,
      "votes_change_rate_pct": -41.304348,
      "baseline_vote_share_pct_muni": 3.494379,
      "target_vote_share_pct_muni": 5.222437,
      "vote_share_delta_pct_pt": 1.728058
    },
    {
      "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": 92.0,
      "target_votes": 54.0,
      "votes_delta": -38.0,
      "votes_change_rate_pct": -41.304348,
      "baseline_vote_share_pct_muni": 2.593741,
      "target_vote_share_pct_muni": 2.650957,
      "vote_share_delta_pct_pt": 0.057216
    },
    {
      "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": 460.842,
      "target_votes": 267.0,
      "votes_delta": -193.842,
      "votes_change_rate_pct": -42.062572,
      "baseline_vote_share_pct_muni": 2.664597,
      "target_vote_share_pct_muni": 8.076225,
      "vote_share_delta_pct_pt": 5.411628
    },
    {
      "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": 409.0,
      "target_votes": 229.0,
      "votes_delta": -180.0,
      "votes_change_rate_pct": -44.00978,
      "baseline_vote_share_pct_muni": 2.593203,
      "target_vote_share_pct_muni": 9.765458,
      "vote_share_delta_pct_pt": 7.172255
    },
    {
      "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": 558.0,
      "target_votes": 309.0,
      "votes_delta": -249.0,
      "votes_change_rate_pct": -44.623656,
      "baseline_vote_share_pct_muni": 3.137123,
      "target_vote_share_pct_muni": 8.578567,
      "vote_share_delta_pct_pt": 5.441444
    },
    {
      "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": 323.0,
      "target_votes": 178.0,
      "votes_delta": -145.0,
      "votes_change_rate_pct": -44.891641,
      "baseline_vote_share_pct_muni": 2.429302,
      "target_vote_share_pct_muni": 4.593548,
      "vote_share_delta_pct_pt": 2.164246
    },
    {
      "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": 170.0,
      "target_votes": 93.0,
      "votes_delta": -77.0,
      "votes_change_rate_pct": -45.294118,
      "baseline_vote_share_pct_muni": 2.884779,
      "target_vote_share_pct_muni": 4.151786,
      "vote_share_delta_pct_pt": 1.267007
    },
    {
      "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": 248.0,
      "target_votes": 134.0,
      "votes_delta": -114.0,
      "votes_change_rate_pct": -45.967742,
      "baseline_vote_share_pct_muni": 2.152965,
      "target_vote_share_pct_muni": 4.441498,
      "vote_share_delta_pct_pt": 2.288533
    },
    {
      "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": 646.0,
      "target_votes": 334.0,
      "votes_delta": -312.0,
      "votes_change_rate_pct": -48.297214,
      "baseline_vote_share_pct_muni": 3.361607,
      "target_vote_share_pct_muni": 16.767068,
      "vote_share_delta_pct_pt": 13.405461
    },
    {
      "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": 1817.9,
      "target_votes": 938.0,
      "votes_delta": -879.9,
      "votes_change_rate_pct": -48.402002,
      "baseline_vote_share_pct_muni": 4.15577,
      "target_vote_share_pct_muni": 40.39621,
      "vote_share_delta_pct_pt": 36.24044
    },
    {
      "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": 220.0,
      "target_votes": 113.0,
      "votes_delta": -107.0,
      "votes_change_rate_pct": -48.636364,
      "baseline_vote_share_pct_muni": 2.503984,
      "target_vote_share_pct_muni": 4.433111,
      "vote_share_delta_pct_pt": 1.929127
    },
    {
      "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": 223.0,
      "target_votes": 111.0,
      "votes_delta": -112.0,
      "votes_change_rate_pct": -50.224215,
      "baseline_vote_share_pct_muni": 3.781584,
      "target_vote_share_pct_muni": 3.400735,
      "vote_share_delta_pct_pt": -0.380849
    },
    {
      "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": 311.0,
      "target_votes": 149.0,
      "votes_delta": -162.0,
      "votes_change_rate_pct": -52.090032,
      "baseline_vote_share_pct_muni": 2.307293,
      "target_vote_share_pct_muni": 3.987155,
      "vote_share_delta_pct_pt": 1.679862
    },
    {
      "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": 458.0,
      "target_votes": 212.0,
      "votes_delta": -246.0,
      "votes_change_rate_pct": -53.71179,
      "baseline_vote_share_pct_muni": 3.565035,
      "target_vote_share_pct_muni": 5.926754,
      "vote_share_delta_pct_pt": 2.361719
    },
    {
      "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": 2065.0,
      "target_votes": 1.141,
      "votes_delta": -2063.859,
      "votes_change_rate_pct": -99.944746,
      "baseline_vote_share_pct_muni": 3.47053,
      "target_vote_share_pct_muni": 0.109501,
      "vote_share_delta_pct_pt": -3.361029
    },
    {
      "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": 4000.0,
      "target_votes": 2.05,
      "votes_delta": -3997.95,
      "votes_change_rate_pct": -99.94875,
      "baseline_vote_share_pct_muni": 3.95875,
      "target_vote_share_pct_muni": 2.05,
      "vote_share_delta_pct_pt": -1.90875
    },
    {
      "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": 6558.0,
      "target_votes": 3.325,
      "votes_delta": -6554.675,
      "votes_change_rate_pct": -99.949299,
      "baseline_vote_share_pct_muni": 3.663564,
      "target_vote_share_pct_muni": 1.837017,
      "vote_share_delta_pct_pt": -1.826547
    }
  ]
}