{
  "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": "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": 19,
    "municipality_count": 19,
    "min_votes_change_rate_pct": -53.382084,
    "max_votes_change_rate_pct": -34.762349
  },
  "municipalities": [
    {
      "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": 2510.82,
      "target_votes": 1638.0,
      "votes_delta": -872.82,
      "votes_change_rate_pct": -34.762349,
      "baseline_vote_share_pct_muni": 4.408737,
      "target_vote_share_pct_muni": 2.813273,
      "vote_share_delta_pct_pt": -1.595464
    },
    {
      "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": 221.0,
      "target_votes": 144.0,
      "votes_delta": -77.0,
      "votes_change_rate_pct": -34.841629,
      "baseline_vote_share_pct_muni": 3.002309,
      "target_vote_share_pct_muni": 1.893242,
      "vote_share_delta_pct_pt": -1.109067
    },
    {
      "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": 182.0,
      "target_votes": 110.0,
      "votes_delta": -72.0,
      "votes_change_rate_pct": -39.56044,
      "baseline_vote_share_pct_muni": 3.565132,
      "target_vote_share_pct_muni": 1.979485,
      "vote_share_delta_pct_pt": -1.585647
    },
    {
      "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": 296.0,
      "target_votes": 172.0,
      "votes_delta": -124.0,
      "votes_change_rate_pct": -41.891892,
      "baseline_vote_share_pct_muni": 4.152637,
      "target_vote_share_pct_muni": 2.257514,
      "vote_share_delta_pct_pt": -1.895123
    },
    {
      "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": 650.0,
      "target_votes": 372.0,
      "votes_delta": -278.0,
      "votes_change_rate_pct": -42.769231,
      "baseline_vote_share_pct_muni": 4.470734,
      "target_vote_share_pct_muni": 2.369125,
      "vote_share_delta_pct_pt": -2.101609
    },
    {
      "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": 331.0,
      "target_votes": 183.0,
      "votes_delta": -148.0,
      "votes_change_rate_pct": -44.712991,
      "baseline_vote_share_pct_muni": 2.954829,
      "target_vote_share_pct_muni": 1.54783,
      "vote_share_delta_pct_pt": -1.406999
    },
    {
      "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": 1385.0,
      "target_votes": 737.0,
      "votes_delta": -648.0,
      "votes_change_rate_pct": -46.787004,
      "baseline_vote_share_pct_muni": 5.309361,
      "target_vote_share_pct_muni": 2.78481,
      "vote_share_delta_pct_pt": -2.524551
    },
    {
      "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": 53.0,
      "target_votes": 28.0,
      "votes_delta": -25.0,
      "votes_change_rate_pct": -47.169811,
      "baseline_vote_share_pct_muni": 3.200483,
      "target_vote_share_pct_muni": 1.625073,
      "vote_share_delta_pct_pt": -1.57541
    },
    {
      "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": 35.0,
      "target_votes": 18.0,
      "votes_delta": -17.0,
      "votes_change_rate_pct": -48.571429,
      "baseline_vote_share_pct_muni": 2.77118,
      "target_vote_share_pct_muni": 1.351351,
      "vote_share_delta_pct_pt": -1.419829
    },
    {
      "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": 106.0,
      "target_votes": 54.0,
      "votes_delta": -52.0,
      "votes_change_rate_pct": -49.056604,
      "baseline_vote_share_pct_muni": 3.974503,
      "target_vote_share_pct_muni": 2.125148,
      "vote_share_delta_pct_pt": -1.849355
    },
    {
      "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": 1239.0,
      "target_votes": 630.0,
      "votes_delta": -609.0,
      "votes_change_rate_pct": -49.152542,
      "baseline_vote_share_pct_muni": 4.78083,
      "target_vote_share_pct_muni": 2.444134,
      "vote_share_delta_pct_pt": -2.336696
    },
    {
      "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": 1121.0,
      "target_votes": 562.0,
      "votes_delta": -559.0,
      "votes_change_rate_pct": -49.866191,
      "baseline_vote_share_pct_muni": 4.730557,
      "target_vote_share_pct_muni": 2.31057,
      "vote_share_delta_pct_pt": -2.419987
    },
    {
      "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": 3212.0,
      "target_votes": 1552.0,
      "votes_delta": -1660.0,
      "votes_change_rate_pct": -51.681196,
      "baseline_vote_share_pct_muni": 5.103841,
      "target_vote_share_pct_muni": 2.429289,
      "vote_share_delta_pct_pt": -2.674552
    },
    {
      "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": 764.0,
      "target_votes": 368.0,
      "votes_delta": -396.0,
      "votes_change_rate_pct": -51.832461,
      "baseline_vote_share_pct_muni": 3.793634,
      "target_vote_share_pct_muni": 1.712026,
      "vote_share_delta_pct_pt": -2.081608
    },
    {
      "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": 3793.0,
      "target_votes": 1826.0,
      "votes_delta": -1967.0,
      "votes_change_rate_pct": -51.858687,
      "baseline_vote_share_pct_muni": 5.427721,
      "target_vote_share_pct_muni": 2.668264,
      "vote_share_delta_pct_pt": -2.759457
    },
    {
      "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": 4187.0,
      "target_votes": 1991.0,
      "votes_delta": -2196.0,
      "votes_change_rate_pct": -52.448053,
      "baseline_vote_share_pct_muni": 4.857083,
      "target_vote_share_pct_muni": 2.407497,
      "vote_share_delta_pct_pt": -2.449586
    },
    {
      "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": 5387.0,
      "target_votes": 2542.0,
      "votes_delta": -2845.0,
      "votes_change_rate_pct": -52.812326,
      "baseline_vote_share_pct_muni": 5.180405,
      "target_vote_share_pct_muni": 2.435589,
      "vote_share_delta_pct_pt": -2.744816
    },
    {
      "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": 2548.0,
      "target_votes": 1199.0,
      "votes_delta": -1349.0,
      "votes_change_rate_pct": -52.943485,
      "baseline_vote_share_pct_muni": 4.984546,
      "target_vote_share_pct_muni": 2.403914,
      "vote_share_delta_pct_pt": -2.580632
    },
    {
      "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": 547.0,
      "target_votes": 255.0,
      "votes_delta": -292.0,
      "votes_change_rate_pct": -53.382084,
      "baseline_vote_share_pct_muni": 3.809457,
      "target_vote_share_pct_muni": 1.605692,
      "vote_share_delta_pct_pt": -2.203765
    }
  ]
}