{
  "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": "LDP",
    "party_label": "自民",
    "party_label_en": "Liberal Democratic 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": -99.880241,
    "max_votes_change_rate_pct": 22.607261
  },
  "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": 606.0,
      "target_votes": 743.0,
      "votes_delta": 137.0,
      "votes_change_rate_pct": 22.607261,
      "baseline_vote_share_pct_muni": 44.988864,
      "target_vote_share_pct_muni": 52.99572,
      "vote_share_delta_pct_pt": 8.006856
    },
    {
      "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": 12187.772,
      "target_votes": 19.34,
      "votes_delta": -12168.432,
      "votes_change_rate_pct": -99.841316,
      "baseline_vote_share_pct_muni": 27.861586,
      "target_vote_share_pct_muni": 0.832903,
      "vote_share_delta_pct_pt": -27.028683
    },
    {
      "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": 6474.9,
      "target_votes": 9.935,
      "votes_delta": -6464.965,
      "votes_change_rate_pct": -99.846561,
      "baseline_vote_share_pct_muni": 36.402429,
      "target_vote_share_pct_muni": 0.275819,
      "vote_share_delta_pct_pt": -36.12661
    },
    {
      "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": 2023.823,
      "target_votes": 3.077,
      "votes_delta": -2020.746,
      "votes_change_rate_pct": -99.847961,
      "baseline_vote_share_pct_muni": 30.747843,
      "target_vote_share_pct_muni": 0.119033,
      "vote_share_delta_pct_pt": -30.62881
    },
    {
      "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": 1201.153,
      "target_votes": 1.776,
      "votes_delta": -1199.377,
      "votes_change_rate_pct": -99.852142,
      "baseline_vote_share_pct_muni": 33.863913,
      "target_vote_share_pct_muni": 0.087187,
      "vote_share_delta_pct_pt": -33.776726
    },
    {
      "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": 29792.906,
      "target_votes": 43.939,
      "votes_delta": -29748.967,
      "votes_change_rate_pct": -99.852519,
      "baseline_vote_share_pct_muni": 29.485665,
      "target_vote_share_pct_muni": 43.939,
      "vote_share_delta_pct_pt": 14.453335
    },
    {
      "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": 6890.14,
      "target_votes": 10.16,
      "votes_delta": -6879.98,
      "votes_change_rate_pct": -99.852543,
      "baseline_vote_share_pct_muni": 38.752193,
      "target_vote_share_pct_muni": 0.364811,
      "vote_share_delta_pct_pt": -38.387382
    },
    {
      "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": 4970.994,
      "target_votes": 7.308,
      "votes_delta": -4963.686,
      "votes_change_rate_pct": -99.852987,
      "baseline_vote_share_pct_muni": 25.86769,
      "target_vote_share_pct_muni": 0.366867,
      "vote_share_delta_pct_pt": -25.500823
    },
    {
      "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": 3434.857,
      "target_votes": 5.023,
      "votes_delta": -3429.834,
      "votes_change_rate_pct": -99.853764,
      "baseline_vote_share_pct_muni": 26.736647,
      "target_vote_share_pct_muni": 0.140425,
      "vote_share_delta_pct_pt": -26.596222
    },
    {
      "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": 44927.671,
      "target_votes": 65.428,
      "votes_delta": -44862.243,
      "votes_change_rate_pct": -99.85437,
      "baseline_vote_share_pct_muni": 25.098416,
      "target_vote_share_pct_muni": 36.148066,
      "vote_share_delta_pct_pt": 11.04965
    },
    {
      "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": 1828.696,
      "target_votes": 2.647,
      "votes_delta": -1826.049,
      "votes_change_rate_pct": -99.855252,
      "baseline_vote_share_pct_muni": 31.010616,
      "target_vote_share_pct_muni": 0.081097,
      "vote_share_delta_pct_pt": -30.929519
    },
    {
      "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": 1703.794,
      "target_votes": 2.445,
      "votes_delta": -1701.349,
      "votes_change_rate_pct": -99.856497,
      "baseline_vote_share_pct_muni": 28.912167,
      "target_vote_share_pct_muni": 0.109152,
      "vote_share_delta_pct_pt": -28.803015
    },
    {
      "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": 6253.0,
      "target_votes": 8.886,
      "votes_delta": -6244.114,
      "votes_change_rate_pct": -99.857892,
      "baseline_vote_share_pct_muni": 39.646208,
      "target_vote_share_pct_muni": 0.378934,
      "vote_share_delta_pct_pt": -39.267274
    },
    {
      "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": 5666.969,
      "target_votes": 7.96,
      "votes_delta": -5659.009,
      "votes_change_rate_pct": -99.859537,
      "baseline_vote_share_pct_muni": 43.006519,
      "target_vote_share_pct_muni": 0.169398,
      "vote_share_delta_pct_pt": -42.837121
    },
    {
      "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": 18654.47,
      "target_votes": 25.651,
      "votes_delta": -18628.819,
      "votes_change_rate_pct": -99.862494,
      "baseline_vote_share_pct_muni": 31.351524,
      "target_vote_share_pct_muni": 2.461708,
      "vote_share_delta_pct_pt": -28.889816
    },
    {
      "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": 6892.668,
      "target_votes": 9.414,
      "votes_delta": -6883.254,
      "votes_change_rate_pct": -99.86342,
      "baseline_vote_share_pct_muni": 39.85353,
      "target_vote_share_pct_muni": 0.284755,
      "vote_share_delta_pct_pt": -39.568775
    },
    {
      "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": 4477.123,
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      "votes_change_rate_pct": -99.86699,
      "baseline_vote_share_pct_muni": 38.867289,
      "target_vote_share_pct_muni": 0.197382,
      "vote_share_delta_pct_pt": -38.669907
    },
    {
      "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": 3641.844,
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      "baseline_vote_share_pct_muni": 39.075579,
      "target_vote_share_pct_muni": 0.153279,
      "vote_share_delta_pct_pt": -38.9223
    },
    {
      "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": 3737.754,
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      "votes_change_rate_pct": -99.875594,
      "baseline_vote_share_pct_muni": 42.542158,
      "target_vote_share_pct_muni": 0.182424,
      "vote_share_delta_pct_pt": -42.359734
    },
    {
      "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": 5920.624,
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      "votes_change_rate_pct": -99.878459,
      "baseline_vote_share_pct_muni": 44.529362,
      "target_vote_share_pct_muni": 0.185703,
      "vote_share_delta_pct_pt": -44.343659
    },
    {
      "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": 5480.154,
      "target_votes": 6.563,
      "votes_delta": -5473.591,
      "votes_change_rate_pct": -99.880241,
      "baseline_vote_share_pct_muni": 40.656978,
      "target_vote_share_pct_muni": 0.175622,
      "vote_share_delta_pct_pt": -40.481356
    }
  ]
}