{
  "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": "TMI",
    "party_label": "みらい",
    "party_label_en": "Team Mirai",
    "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": -99.528997,
    "max_votes_change_rate_pct": 654.166667
  },
  "municipalities": [
    {
      "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": 48.0,
      "target_votes": 362.0,
      "votes_delta": 314.0,
      "votes_change_rate_pct": 654.166667,
      "baseline_vote_share_pct_muni": 0.546324,
      "target_vote_share_pct_muni": 14.201648,
      "vote_share_delta_pct_pt": 13.655324
    },
    {
      "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": 46.0,
      "target_votes": 343.0,
      "votes_delta": 297.0,
      "votes_change_rate_pct": 645.652174,
      "baseline_vote_share_pct_muni": 0.493562,
      "target_vote_share_pct_muni": 11.136364,
      "vote_share_delta_pct_pt": 10.642802
    },
    {
      "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": 48.0,
      "target_votes": 333.0,
      "votes_delta": 285.0,
      "votes_change_rate_pct": 593.75,
      "baseline_vote_share_pct_muni": 0.729262,
      "target_vote_share_pct_muni": 12.882012,
      "vote_share_delta_pct_pt": 12.15275
    },
    {
      "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": 78.0,
      "target_votes": 505.0,
      "votes_delta": 427.0,
      "votes_change_rate_pct": 547.435897,
      "baseline_vote_share_pct_muni": 0.591941,
      "target_vote_share_pct_muni": 10.746967,
      "vote_share_delta_pct_pt": 10.155026
    },
    {
      "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": 75.0,
      "target_votes": 449.0,
      "votes_delta": 374.0,
      "votes_change_rate_pct": 498.666667,
      "baseline_vote_share_pct_muni": 0.651098,
      "target_vote_share_pct_muni": 14.882333,
      "vote_share_delta_pct_pt": 14.231235
    },
    {
      "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": 109.0,
      "target_votes": 651.0,
      "votes_delta": 542.0,
      "votes_change_rate_pct": 497.247706,
      "baseline_vote_share_pct_muni": 0.691098,
      "target_vote_share_pct_muni": 27.761194,
      "vote_share_delta_pct_pt": 27.070096
    },
    {
      "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": 46.0,
      "target_votes": 274.0,
      "votes_delta": 228.0,
      "votes_change_rate_pct": 495.652174,
      "baseline_vote_share_pct_muni": 0.780587,
      "target_vote_share_pct_muni": 12.232143,
      "vote_share_delta_pct_pt": 11.451556
    },
    {
      "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": 139.0,
      "target_votes": 754.0,
      "votes_delta": 615.0,
      "votes_change_rate_pct": 442.446043,
      "baseline_vote_share_pct_muni": 0.781777,
      "target_vote_share_pct_muni": 27.073609,
      "vote_share_delta_pct_pt": 26.291832
    },
    {
      "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": 155.0,
      "target_votes": 821.0,
      "votes_delta": 666.0,
      "votes_change_rate_pct": 429.677419,
      "baseline_vote_share_pct_muni": 0.871423,
      "target_vote_share_pct_muni": 22.792893,
      "vote_share_delta_pct_pt": 21.92147
    },
    {
      "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": 127.0,
      "target_votes": 655.0,
      "votes_delta": 528.0,
      "votes_change_rate_pct": 415.748031,
      "baseline_vote_share_pct_muni": 0.988558,
      "target_vote_share_pct_muni": 18.311434,
      "vote_share_delta_pct_pt": 17.322876
    },
    {
      "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": 139.0,
      "target_votes": 684.0,
      "votes_delta": 545.0,
      "votes_change_rate_pct": 392.086331,
      "baseline_vote_share_pct_muni": 0.8037,
      "target_vote_share_pct_muni": 20.689655,
      "vote_share_delta_pct_pt": 19.885955
    },
    {
      "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": 112.039,
      "target_votes": 527.0,
      "votes_delta": 414.961,
      "votes_change_rate_pct": 370.371924,
      "baseline_vote_share_pct_muni": 0.842652,
      "target_vote_share_pct_muni": 13.6,
      "vote_share_delta_pct_pt": 12.757348
    },
    {
      "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": 68.0,
      "target_votes": 296.0,
      "votes_delta": 228.0,
      "votes_change_rate_pct": 335.294118,
      "baseline_vote_share_pct_muni": 1.153129,
      "target_vote_share_pct_muni": 9.068627,
      "vote_share_delta_pct_pt": 7.915498
    },
    {
      "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": 46.0,
      "target_votes": 199.0,
      "votes_delta": 153.0,
      "votes_change_rate_pct": 332.608696,
      "baseline_vote_share_pct_muni": 1.296871,
      "target_vote_share_pct_muni": 9.769269,
      "vote_share_delta_pct_pt": 8.472398
    },
    {
      "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": 117.914,
      "target_votes": 474.0,
      "votes_delta": 356.086,
      "votes_change_rate_pct": 301.987889,
      "baseline_vote_share_pct_muni": 0.874798,
      "target_vote_share_pct_muni": 12.683971,
      "vote_share_delta_pct_pt": 11.809173
    },
    {
      "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": 14.0,
      "target_votes": 56.0,
      "votes_delta": 42.0,
      "votes_change_rate_pct": 300.0,
      "baseline_vote_share_pct_muni": 1.039347,
      "target_vote_share_pct_muni": 3.994294,
      "vote_share_delta_pct_pt": 2.954947
    },
    {
      "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": 928.0,
      "target_votes": 5.037,
      "votes_delta": -922.963,
      "votes_change_rate_pct": -99.45722,
      "baseline_vote_share_pct_muni": 0.91843,
      "target_vote_share_pct_muni": 5.037,
      "vote_share_delta_pct_pt": 4.11857
    },
    {
      "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": 618.902,
      "target_votes": 3.157,
      "votes_delta": -615.745,
      "votes_change_rate_pct": -99.489903,
      "baseline_vote_share_pct_muni": 1.040154,
      "target_vote_share_pct_muni": 0.302975,
      "vote_share_delta_pct_pt": -0.737179
    },
    {
      "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": 484.0,
      "target_votes": 2.303,
      "votes_delta": -481.697,
      "votes_change_rate_pct": -99.524174,
      "baseline_vote_share_pct_muni": 1.106437,
      "target_vote_share_pct_muni": 0.099182,
      "vote_share_delta_pct_pt": -1.007255
    },
    {
      "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": 2098.014,
      "target_votes": 9.947,
      "votes_delta": -2088.067,
      "votes_change_rate_pct": -99.525885,
      "baseline_vote_share_pct_muni": 1.172036,
      "target_vote_share_pct_muni": 5.49558,
      "vote_share_delta_pct_pt": 4.323544
    },
    {
      "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": 253.926,
      "target_votes": 1.196,
      "votes_delta": -252.73,
      "votes_change_rate_pct": -99.528997,
      "baseline_vote_share_pct_muni": 1.321361,
      "target_vote_share_pct_muni": 0.06004,
      "vote_share_delta_pct_pt": -1.261321
    }
  ]
}