{
  "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": "REI",
    "party_label": "れいわ",
    "party_label_en": "Reiwa Shinsengumi",
    "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": -99.951981,
    "max_votes_change_rate_pct": -30.920144
  },
  "municipalities": [
    {
      "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": 50.666,
      "target_votes": 35.0,
      "votes_delta": -15.666,
      "votes_change_rate_pct": -30.920144,
      "baseline_vote_share_pct_muni": 3.761396,
      "target_vote_share_pct_muni": 2.496434,
      "vote_share_delta_pct_pt": -1.264962
    },
    {
      "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": 711.0,
      "target_votes": 458.0,
      "votes_delta": -253.0,
      "votes_change_rate_pct": -35.583685,
      "baseline_vote_share_pct_muni": 4.507989,
      "target_vote_share_pct_muni": 19.530917,
      "vote_share_delta_pct_pt": 15.022928
    },
    {
      "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": 397.0,
      "target_votes": 255.0,
      "votes_delta": -142.0,
      "votes_change_rate_pct": -35.768262,
      "baseline_vote_share_pct_muni": 4.518552,
      "target_vote_share_pct_muni": 10.003923,
      "vote_share_delta_pct_pt": 5.485371
    },
    {
      "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": 998.692,
      "target_votes": 628.0,
      "votes_delta": -370.692,
      "votes_change_rate_pct": -37.11775,
      "baseline_vote_share_pct_muni": 5.61694,
      "target_vote_share_pct_muni": 22.549372,
      "vote_share_delta_pct_pt": 16.932432
    },
    {
      "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": 710.138,
      "target_votes": 438.0,
      "votes_delta": -272.138,
      "votes_change_rate_pct": -38.321847,
      "baseline_vote_share_pct_muni": 5.34099,
      "target_vote_share_pct_muni": 11.303226,
      "vote_share_delta_pct_pt": 5.962236
    },
    {
      "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": 770.952,
      "target_votes": 455.0,
      "votes_delta": -315.952,
      "votes_change_rate_pct": -40.982059,
      "baseline_vote_share_pct_muni": 5.85074,
      "target_vote_share_pct_muni": 9.682911,
      "vote_share_delta_pct_pt": 3.832171
    },
    {
      "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": 228.0,
      "target_votes": 126.0,
      "votes_delta": -102.0,
      "votes_change_rate_pct": -44.736842,
      "baseline_vote_share_pct_muni": 6.427967,
      "target_vote_share_pct_muni": 6.185567,
      "vote_share_delta_pct_pt": -0.2424
    },
    {
      "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": 603.0,
      "target_votes": 323.0,
      "votes_delta": -280.0,
      "votes_change_rate_pct": -46.434494,
      "baseline_vote_share_pct_muni": 5.234829,
      "target_vote_share_pct_muni": 10.705999,
      "vote_share_delta_pct_pt": 5.47117
    },
    {
      "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": 1019.0,
      "target_votes": 542.0,
      "votes_delta": -477.0,
      "votes_change_rate_pct": -46.810599,
      "baseline_vote_share_pct_muni": 5.891876,
      "target_vote_share_pct_muni": 16.394434,
      "vote_share_delta_pct_pt": 10.502558
    },
    {
      "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": 1046.944,
      "target_votes": 521.0,
      "votes_delta": -525.944,
      "votes_change_rate_pct": -50.236116,
      "baseline_vote_share_pct_muni": 5.886007,
      "target_vote_share_pct_muni": 14.464187,
      "vote_share_delta_pct_pt": 8.57818
    },
    {
      "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": 390.0,
      "target_votes": 194.0,
      "votes_delta": -196.0,
      "votes_change_rate_pct": -50.25641,
      "baseline_vote_share_pct_muni": 6.618021,
      "target_vote_share_pct_muni": 8.660714,
      "vote_share_delta_pct_pt": 2.042693
    },
    {
      "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": 1039.0,
      "target_votes": 505.0,
      "votes_delta": -534.0,
      "votes_change_rate_pct": -51.395573,
      "baseline_vote_share_pct_muni": 5.406671,
      "target_vote_share_pct_muni": 25.351406,
      "vote_share_delta_pct_pt": 19.944735
    },
    {
      "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": 816.0,
      "target_votes": 382.0,
      "votes_delta": -434.0,
      "votes_change_rate_pct": -53.186275,
      "baseline_vote_share_pct_muni": 6.053862,
      "target_vote_share_pct_muni": 10.222103,
      "vote_share_delta_pct_pt": 4.168241
    },
    {
      "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": 438.0,
      "target_votes": 204.0,
      "votes_delta": -234.0,
      "votes_change_rate_pct": -53.424658,
      "baseline_vote_share_pct_muni": 7.427506,
      "target_vote_share_pct_muni": 6.25,
      "vote_share_delta_pct_pt": -1.177506
    },
    {
      "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": 468.176,
      "target_votes": 207.0,
      "votes_delta": -261.176,
      "votes_change_rate_pct": -55.785858,
      "baseline_vote_share_pct_muni": 7.112975,
      "target_vote_share_pct_muni": 8.007737,
      "vote_share_delta_pct_pt": 0.894762
    },
    {
      "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": 664.0,
      "target_votes": 292.0,
      "votes_delta": -372.0,
      "votes_change_rate_pct": -56.024096,
      "baseline_vote_share_pct_muni": 7.124464,
      "target_vote_share_pct_muni": 9.480519,
      "vote_share_delta_pct_pt": 2.356055
    },
    {
      "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": 790.0,
      "target_votes": 342.0,
      "votes_delta": -448.0,
      "votes_change_rate_pct": -56.708861,
      "baseline_vote_share_pct_muni": 6.149296,
      "target_vote_share_pct_muni": 9.561085,
      "vote_share_delta_pct_pt": 3.411789
    },
    {
      "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": 3424.941,
      "target_votes": 1.87,
      "votes_delta": -3423.071,
      "votes_change_rate_pct": -99.945401,
      "baseline_vote_share_pct_muni": 5.756107,
      "target_vote_share_pct_muni": 0.179463,
      "vote_share_delta_pct_pt": -5.576644
    },
    {
      "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": 2823.93,
      "target_votes": 1.479,
      "votes_delta": -2822.451,
      "votes_change_rate_pct": -99.947626,
      "baseline_vote_share_pct_muni": 6.455582,
      "target_vote_share_pct_muni": 0.063695,
      "vote_share_delta_pct_pt": -6.391887
    },
    {
      "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": 9594.958,
      "target_votes": 4.703,
      "votes_delta": -9590.255,
      "votes_change_rate_pct": -99.950985,
      "baseline_vote_share_pct_muni": 5.360132,
      "target_vote_share_pct_muni": 2.598343,
      "vote_share_delta_pct_pt": -2.761789
    },
    {
      "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": 6305.836,
      "target_votes": 3.028,
      "votes_delta": -6302.808,
      "votes_change_rate_pct": -99.951981,
      "baseline_vote_share_pct_muni": 6.240807,
      "target_vote_share_pct_muni": 3.028,
      "vote_share_delta_pct_pt": -3.212807
    }
  ]
}