{
  "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": "35",
    "prefecture_name": "山口県",
    "prefecture_name_en": "Yamaguchi",
    "party_id": "ISH",
    "party_label": "維新",
    "party_label_en": "Japan Innovation Party (Ishin)",
    "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": 19,
    "municipality_count": 19,
    "min_votes_change_rate_pct": 52.941176,
    "max_votes_change_rate_pct": 183.333333
  },
  "municipalities": [
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "355020",
      "municipality_name": "阿武町",
      "municipality_name_en": "Abu-cho",
      "baseline_votes": 48.0,
      "target_votes": 136.0,
      "votes_delta": 88.0,
      "votes_change_rate_pct": 183.333333,
      "baseline_vote_share_pct_muni": 2.898551,
      "target_vote_share_pct_muni": 7.89321,
      "vote_share_delta_pct_pt": 4.994659
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352110",
      "municipality_name": "長門市",
      "municipality_name_en": "Nagato-shi",
      "baseline_votes": 422.0,
      "target_votes": 1114.0,
      "votes_delta": 692.0,
      "votes_change_rate_pct": 163.981043,
      "baseline_vote_share_pct_muni": 2.938923,
      "target_vote_share_pct_muni": 7.014672,
      "vote_share_delta_pct_pt": 4.075749
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352047",
      "municipality_name": "萩市",
      "municipality_name_en": "Hagi-shi",
      "baseline_votes": 679.0,
      "target_votes": 1726.0,
      "votes_delta": 1047.0,
      "votes_change_rate_pct": 154.197349,
      "baseline_vote_share_pct_muni": 3.371568,
      "target_vote_share_pct_muni": 8.029774,
      "vote_share_delta_pct_pt": 4.658206
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352136",
      "municipality_name": "美祢市",
      "municipality_name_en": "Mine-shi",
      "baseline_votes": 342.0,
      "target_votes": 867.0,
      "votes_delta": 525.0,
      "votes_change_rate_pct": 153.508772,
      "baseline_vote_share_pct_muni": 3.053026,
      "target_vote_share_pct_muni": 7.333164,
      "vote_share_delta_pct_pt": 4.280138
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353442",
      "municipality_name": "平生町",
      "municipality_name_en": "Hirao-cho",
      "baseline_votes": 153.0,
      "target_votes": 328.0,
      "votes_delta": 175.0,
      "votes_change_rate_pct": 114.379085,
      "baseline_vote_share_pct_muni": 2.997062,
      "target_vote_share_pct_muni": 5.902465,
      "vote_share_delta_pct_pt": 2.905403
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353434",
      "municipality_name": "田布施町",
      "municipality_name_en": "Tabuse-cho",
      "baseline_votes": 208.0,
      "target_votes": 441.0,
      "votes_delta": 233.0,
      "votes_change_rate_pct": 112.019231,
      "baseline_vote_share_pct_muni": 2.91807,
      "target_vote_share_pct_muni": 5.788161,
      "vote_share_delta_pct_pt": 2.870091
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352160",
      "municipality_name": "山陽小野田市",
      "municipality_name_en": "Sanyoonoda-shi",
      "baseline_votes": 1073.0,
      "target_votes": 2216.0,
      "votes_delta": 1143.0,
      "votes_change_rate_pct": 106.523765,
      "baseline_vote_share_pct_muni": 4.140299,
      "target_vote_share_pct_muni": 8.597145,
      "vote_share_delta_pct_pt": 4.456846
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352012",
      "municipality_name": "下関市",
      "municipality_name_en": "Shimonoseki-shi",
      "baseline_votes": 3890.0,
      "target_votes": 7899.0,
      "votes_delta": 4009.0,
      "votes_change_rate_pct": 103.059126,
      "baseline_vote_share_pct_muni": 3.740816,
      "target_vote_share_pct_muni": 7.568339,
      "vote_share_delta_pct_pt": 3.827523
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353051",
      "municipality_name": "周防大島町",
      "municipality_name_en": "Suooshima-cho",
      "baseline_votes": 189.0,
      "target_votes": 382.0,
      "votes_delta": 193.0,
      "votes_change_rate_pct": 102.116402,
      "baseline_vote_share_pct_muni": 2.567586,
      "target_vote_share_pct_muni": 5.022351,
      "vote_share_delta_pct_pt": 2.454765
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352128",
      "municipality_name": "柳井市",
      "municipality_name_en": "Yanai-shi",
      "baseline_votes": 513.0,
      "target_votes": 988.0,
      "votes_delta": 475.0,
      "votes_change_rate_pct": 92.592593,
      "baseline_vote_share_pct_muni": 3.528441,
      "target_vote_share_pct_muni": 6.292192,
      "vote_share_delta_pct_pt": 2.763751
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352063",
      "municipality_name": "防府市",
      "municipality_name_en": "Hofu-shi",
      "baseline_votes": 1774.0,
      "target_votes": 3368.0,
      "votes_delta": 1594.0,
      "votes_change_rate_pct": 89.853439,
      "baseline_vote_share_pct_muni": 3.470402,
      "target_vote_share_pct_muni": 6.752611,
      "vote_share_delta_pct_pt": 3.282209
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352071",
      "municipality_name": "下松市",
      "municipality_name_en": "Kudamatsu-shi",
      "baseline_votes": 1011.0,
      "target_votes": 1877.0,
      "votes_delta": 866.0,
      "votes_change_rate_pct": 85.657765,
      "baseline_vote_share_pct_muni": 3.875642,
      "target_vote_share_pct_muni": 7.092386,
      "vote_share_delta_pct_pt": 3.216744
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352101",
      "municipality_name": "光市",
      "municipality_name_en": "Hikari-shi",
      "baseline_votes": 903.0,
      "target_votes": 1624.0,
      "votes_delta": 721.0,
      "votes_change_rate_pct": 79.844961,
      "baseline_vote_share_pct_muni": 3.810609,
      "target_vote_share_pct_muni": 6.676808,
      "vote_share_delta_pct_pt": 2.866199
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352080",
      "municipality_name": "岩国市",
      "municipality_name_en": "Iwakuni-shi",
      "baseline_votes": 1927.0,
      "target_votes": 3420.0,
      "votes_delta": 1493.0,
      "votes_change_rate_pct": 77.477945,
      "baseline_vote_share_pct_muni": 3.38361,
      "target_vote_share_pct_muni": 5.873866,
      "vote_share_delta_pct_pt": 2.490256
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352152",
      "municipality_name": "周南市",
      "municipality_name_en": "Shunan-shi",
      "baseline_votes": 2464.093,
      "target_votes": 4303.0,
      "votes_delta": 1838.907,
      "votes_change_rate_pct": 74.628149,
      "baseline_vote_share_pct_muni": 3.915423,
      "target_vote_share_pct_muni": 6.73533,
      "vote_share_delta_pct_pt": 2.819907
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352020",
      "municipality_name": "宇部市",
      "municipality_name_en": "Ube-shi",
      "baseline_votes": 2732.0,
      "target_votes": 4707.0,
      "votes_delta": 1975.0,
      "votes_change_rate_pct": 72.291362,
      "baseline_vote_share_pct_muni": 3.909447,
      "target_vote_share_pct_muni": 6.87816,
      "vote_share_delta_pct_pt": 2.968713
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "352039",
      "municipality_name": "山口市",
      "municipality_name_en": "Yamaguchi-shi",
      "baseline_votes": 3394.06,
      "target_votes": 5783.0,
      "votes_delta": 2388.94,
      "votes_change_rate_pct": 70.38591,
      "baseline_vote_share_pct_muni": 3.937242,
      "target_vote_share_pct_muni": 6.992745,
      "vote_share_delta_pct_pt": 3.055503
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353213",
      "municipality_name": "和木町",
      "municipality_name_en": "Waki-cho",
      "baseline_votes": 96.0,
      "target_votes": 160.0,
      "votes_delta": 64.0,
      "votes_change_rate_pct": 66.666667,
      "baseline_vote_share_pct_muni": 3.59955,
      "target_vote_share_pct_muni": 6.296734,
      "vote_share_delta_pct_pt": 2.697184
    },
    {
      "prefecture_code": "35",
      "prefecture_name": "山口県",
      "prefecture_name_en": "Yamaguchi",
      "jis_code": "353418",
      "municipality_name": "上関町",
      "municipality_name_en": "Kaminoseki-cho",
      "baseline_votes": 34.0,
      "target_votes": 52.0,
      "votes_delta": 18.0,
      "votes_change_rate_pct": 52.941176,
      "baseline_vote_share_pct_muni": 2.692003,
      "target_vote_share_pct_muni": 3.903904,
      "vote_share_delta_pct_pt": 1.211901
    }
  ]
}