{
  "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": "SAN",
    "party_label": "参政",
    "party_label_en": "Sanseito",
    "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": -37.354651,
    "max_votes_change_rate_pct": -9.52381
  },
  "municipalities": [
    {
      "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": 84.0,
      "target_votes": 76.0,
      "votes_delta": -8.0,
      "votes_change_rate_pct": -9.52381,
      "baseline_vote_share_pct_muni": 6.650831,
      "target_vote_share_pct_muni": 5.705706,
      "vote_share_delta_pct_pt": -0.945125
    },
    {
      "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": 153.0,
      "target_votes": 128.0,
      "votes_delta": -25.0,
      "votes_change_rate_pct": -16.339869,
      "baseline_vote_share_pct_muni": 9.23913,
      "target_vote_share_pct_muni": 7.428903,
      "vote_share_delta_pct_pt": -1.810227
    },
    {
      "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": 1366.397,
      "target_votes": 1123.0,
      "votes_delta": -243.397,
      "votes_change_rate_pct": -17.813051,
      "baseline_vote_share_pct_muni": 12.197795,
      "target_vote_share_pct_muni": 9.498435,
      "vote_share_delta_pct_pt": -2.69936
    },
    {
      "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": 2229.0,
      "target_votes": 1819.0,
      "votes_delta": -410.0,
      "votes_change_rate_pct": -18.393899,
      "baseline_vote_share_pct_muni": 11.068077,
      "target_vote_share_pct_muni": 8.462433,
      "vote_share_delta_pct_pt": -2.605644
    },
    {
      "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": 1527.0,
      "target_votes": 1246.0,
      "votes_delta": -281.0,
      "votes_change_rate_pct": -18.402096,
      "baseline_vote_share_pct_muni": 10.634445,
      "target_vote_share_pct_muni": 7.845854,
      "vote_share_delta_pct_pt": -2.788591
    },
    {
      "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": 635.031,
      "target_votes": 458.0,
      "votes_delta": -177.031,
      "votes_change_rate_pct": -27.877537,
      "baseline_vote_share_pct_muni": 8.626966,
      "target_vote_share_pct_muni": 6.021562,
      "vote_share_delta_pct_pt": -2.605404
    },
    {
      "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": 1763.483,
      "target_votes": 1260.0,
      "votes_delta": -503.483,
      "votes_change_rate_pct": -28.550488,
      "baseline_vote_share_pct_muni": 12.129328,
      "target_vote_share_pct_muni": 8.024455,
      "vote_share_delta_pct_pt": -4.104873
    },
    {
      "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": 10607.077,
      "target_votes": 7536.0,
      "votes_delta": -3071.077,
      "votes_change_rate_pct": -28.953094,
      "baseline_vote_share_pct_muni": 15.178554,
      "target_vote_share_pct_muni": 11.01207,
      "vote_share_delta_pct_pt": -4.166484
    },
    {
      "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": 3925.54,
      "target_votes": 2788.0,
      "votes_delta": -1137.54,
      "votes_change_rate_pct": -28.977924,
      "baseline_vote_share_pct_muni": 15.147168,
      "target_vote_share_pct_muni": 10.816263,
      "vote_share_delta_pct_pt": -4.330905
    },
    {
      "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": 7312.433,
      "target_votes": 5176.0,
      "votes_delta": -2136.433,
      "votes_change_rate_pct": -29.216445,
      "baseline_vote_share_pct_muni": 14.305006,
      "target_vote_share_pct_muni": 10.377529,
      "vote_share_delta_pct_pt": -3.927477
    },
    {
      "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": 11447.417,
      "target_votes": 8037.0,
      "votes_delta": -3410.417,
      "votes_change_rate_pct": -29.792022,
      "baseline_vote_share_pct_muni": 13.27945,
      "target_vote_share_pct_muni": 9.718259,
      "vote_share_delta_pct_pt": -3.561191
    },
    {
      "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": 933.0,
      "target_votes": 654.0,
      "votes_delta": -279.0,
      "votes_change_rate_pct": -29.903537,
      "baseline_vote_share_pct_muni": 13.089226,
      "target_vote_share_pct_muni": 8.583804,
      "vote_share_delta_pct_pt": -4.505422
    },
    {
      "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": 14331.621,
      "target_votes": 9995.0,
      "votes_delta": -4336.621,
      "votes_change_rate_pct": -30.25911,
      "baseline_vote_share_pct_muni": 13.781995,
      "target_vote_share_pct_muni": 9.576598,
      "vote_share_delta_pct_pt": -4.205397
    },
    {
      "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": 3075.536,
      "target_votes": 2031.0,
      "votes_delta": -1044.536,
      "votes_change_rate_pct": -33.96273,
      "baseline_vote_share_pct_muni": 12.978588,
      "target_vote_share_pct_muni": 8.350121,
      "vote_share_delta_pct_pt": -4.628467
    },
    {
      "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": 8917.031,
      "target_votes": 5804.0,
      "votes_delta": -3113.031,
      "votes_change_rate_pct": -34.911071,
      "baseline_vote_share_pct_muni": 14.169086,
      "target_vote_share_pct_muni": 9.08479,
      "vote_share_delta_pct_pt": -5.084296
    },
    {
      "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": 3867.0,
      "target_votes": 2449.0,
      "votes_delta": -1418.0,
      "votes_change_rate_pct": -36.669253,
      "baseline_vote_share_pct_muni": 14.824044,
      "target_vote_share_pct_muni": 9.253731,
      "vote_share_delta_pct_pt": -5.570313
    },
    {
      "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": 8054.0,
      "target_votes": 5084.0,
      "votes_delta": -2970.0,
      "votes_change_rate_pct": -36.876086,
      "baseline_vote_share_pct_muni": 14.141982,
      "target_vote_share_pct_muni": 8.731794,
      "vote_share_delta_pct_pt": -5.410188
    },
    {
      "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": 406.0,
      "target_votes": 256.0,
      "votes_delta": -150.0,
      "votes_change_rate_pct": -36.945813,
      "baseline_vote_share_pct_muni": 15.223097,
      "target_vote_share_pct_muni": 10.074774,
      "vote_share_delta_pct_pt": -5.148323
    },
    {
      "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": 688.0,
      "target_votes": 431.0,
      "votes_delta": -257.0,
      "votes_change_rate_pct": -37.354651,
      "baseline_vote_share_pct_muni": 13.476983,
      "target_vote_share_pct_muni": 7.755983,
      "vote_share_delta_pct_pt": -5.721
    }
  ]
}