{
  "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": "38",
    "prefecture_name": "愛媛県",
    "prefecture_name_en": "Ehime",
    "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": 20,
    "municipality_count": 20,
    "min_votes_change_rate_pct": 8.839779,
    "max_votes_change_rate_pct": 56.410256
  },
  "municipalities": [
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "384224",
      "municipality_name": "内子町",
      "municipality_name_en": "Uchiko-cho",
      "baseline_votes": 273.0,
      "target_votes": 427.0,
      "votes_delta": 154.0,
      "votes_change_rate_pct": 56.410256,
      "baseline_vote_share_pct_muni": 3.593524,
      "target_vote_share_pct_muni": 5.65039,
      "vote_share_delta_pct_pt": 2.056866
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382019",
      "municipality_name": "松山市",
      "municipality_name_en": "Matsuyama-shi",
      "baseline_votes": 11397.443,
      "target_votes": 16480.0,
      "votes_delta": 5082.557,
      "votes_change_rate_pct": 44.593836,
      "baseline_vote_share_pct_muni": 5.089462,
      "target_vote_share_pct_muni": 7.678616,
      "vote_share_delta_pct_pt": 2.589154
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "384429",
      "municipality_name": "伊方町",
      "municipality_name_en": "Ikata-cho",
      "baseline_votes": 129.0,
      "target_votes": 186.0,
      "votes_delta": 57.0,
      "votes_change_rate_pct": 44.186047,
      "baseline_vote_share_pct_muni": 3.194651,
      "target_vote_share_pct_muni": 4.761905,
      "vote_share_delta_pct_pt": 1.567254
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382027",
      "municipality_name": "今治市",
      "municipality_name_en": "Imabari-shi",
      "baseline_votes": 3377.0,
      "target_votes": 4720.0,
      "votes_delta": 1343.0,
      "votes_change_rate_pct": 39.769026,
      "baseline_vote_share_pct_muni": 5.254069,
      "target_vote_share_pct_muni": 7.107363,
      "vote_share_delta_pct_pt": 1.853294
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382043",
      "municipality_name": "八幡浜市",
      "municipality_name_en": "Yawatahama-shi",
      "baseline_votes": 643.0,
      "target_votes": 895.0,
      "votes_delta": 252.0,
      "votes_change_rate_pct": 39.191291,
      "baseline_vote_share_pct_muni": 4.247028,
      "target_vote_share_pct_muni": 6.16179,
      "vote_share_delta_pct_pt": 1.914762
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "384020",
      "municipality_name": "砥部町",
      "municipality_name_en": "Tobe-cho",
      "baseline_votes": 463.0,
      "target_votes": 644.0,
      "votes_delta": 181.0,
      "votes_change_rate_pct": 39.092873,
      "baseline_vote_share_pct_muni": 4.522368,
      "target_vote_share_pct_muni": 6.679112,
      "vote_share_delta_pct_pt": 2.156744
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382078",
      "municipality_name": "大洲市",
      "municipality_name_en": "Ozu-shi",
      "baseline_votes": 863.0,
      "target_votes": 1195.0,
      "votes_delta": 332.0,
      "votes_change_rate_pct": 38.470452,
      "baseline_vote_share_pct_muni": 4.501356,
      "target_vote_share_pct_muni": 6.333475,
      "vote_share_delta_pct_pt": 1.832119
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382159",
      "municipality_name": "東温市",
      "municipality_name_en": "Toon-shi",
      "baseline_votes": 789.0,
      "target_votes": 1090.0,
      "votes_delta": 301.0,
      "votes_change_rate_pct": 38.149556,
      "baseline_vote_share_pct_muni": 4.888779,
      "target_vote_share_pct_muni": 7.184287,
      "vote_share_delta_pct_pt": 2.295508
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "384011",
      "municipality_name": "松前町",
      "municipality_name_en": "Masaki-cho",
      "baseline_votes": 780.0,
      "target_votes": 1075.0,
      "votes_delta": 295.0,
      "votes_change_rate_pct": 37.820513,
      "baseline_vote_share_pct_muni": 5.269558,
      "target_vote_share_pct_muni": 7.611158,
      "vote_share_delta_pct_pt": 2.3416
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "385069",
      "municipality_name": "愛南町",
      "municipality_name_en": "Ainan-cho",
      "baseline_votes": 485.0,
      "target_votes": 656.0,
      "votes_delta": 171.0,
      "votes_change_rate_pct": 35.257732,
      "baseline_vote_share_pct_muni": 4.605451,
      "target_vote_share_pct_muni": 6.39688,
      "vote_share_delta_pct_pt": 1.791429
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382132",
      "municipality_name": "四国中央市",
      "municipality_name_en": "Shikokuchuo-shi",
      "baseline_votes": 1577.0,
      "target_votes": 2103.0,
      "votes_delta": 526.0,
      "votes_change_rate_pct": 33.354471,
      "baseline_vote_share_pct_muni": 4.413411,
      "target_vote_share_pct_muni": 5.369864,
      "vote_share_delta_pct_pt": 0.956453
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382140",
      "municipality_name": "西予市",
      "municipality_name_en": "Seiyo-shi",
      "baseline_votes": 796.0,
      "target_votes": 1053.0,
      "votes_delta": 257.0,
      "votes_change_rate_pct": 32.286432,
      "baseline_vote_share_pct_muni": 4.561082,
      "target_vote_share_pct_muni": 6.26935,
      "vote_share_delta_pct_pt": 1.708268
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382035",
      "municipality_name": "宇和島市",
      "municipality_name_en": "Uwajima-shi",
      "baseline_votes": 1489.0,
      "target_votes": 1944.0,
      "votes_delta": 455.0,
      "votes_change_rate_pct": 30.557421,
      "baseline_vote_share_pct_muni": 4.537421,
      "target_vote_share_pct_muni": 6.217418,
      "vote_share_delta_pct_pt": 1.679997
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382108",
      "municipality_name": "伊予市",
      "municipality_name_en": "Iyo-shi",
      "baseline_votes": 855.2,
      "target_votes": 1095.0,
      "votes_delta": 239.8,
      "votes_change_rate_pct": 28.040225,
      "baseline_vote_share_pct_muni": 4.925984,
      "target_vote_share_pct_muni": 6.51243,
      "vote_share_delta_pct_pt": 1.586446
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "384844",
      "municipality_name": "松野町",
      "municipality_name_en": "Matsuno-cho",
      "baseline_votes": 65.0,
      "target_votes": 83.0,
      "votes_delta": 18.0,
      "votes_change_rate_pct": 27.692308,
      "baseline_vote_share_pct_muni": 3.417455,
      "target_vote_share_pct_muni": 4.40552,
      "vote_share_delta_pct_pt": 0.988065
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382060",
      "municipality_name": "西条市",
      "municipality_name_en": "Saijo-shi",
      "baseline_votes": 2385.106,
      "target_votes": 2964.0,
      "votes_delta": 578.894,
      "votes_change_rate_pct": 24.271206,
      "baseline_vote_share_pct_muni": 5.007781,
      "target_vote_share_pct_muni": 6.075264,
      "vote_share_delta_pct_pt": 1.067483
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382051",
      "municipality_name": "新居浜市",
      "municipality_name_en": "Niihama-shi",
      "baseline_votes": 2541.104,
      "target_votes": 3149.0,
      "votes_delta": 607.896,
      "votes_change_rate_pct": 23.922516,
      "baseline_vote_share_pct_muni": 5.037076,
      "target_vote_share_pct_muni": 6.11302,
      "vote_share_delta_pct_pt": 1.075944
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "384887",
      "municipality_name": "鬼北町",
      "municipality_name_en": "Kihoku-cho",
      "baseline_votes": 233.0,
      "target_votes": 281.0,
      "votes_delta": 48.0,
      "votes_change_rate_pct": 20.600858,
      "baseline_vote_share_pct_muni": 4.67496,
      "target_vote_share_pct_muni": 5.851728,
      "vote_share_delta_pct_pt": 1.176768
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "383864",
      "municipality_name": "久万高原町",
      "municipality_name_en": "Kumakogen-cho",
      "baseline_votes": 127.0,
      "target_votes": 150.0,
      "votes_delta": 23.0,
      "votes_change_rate_pct": 18.110236,
      "baseline_vote_share_pct_muni": 3.267301,
      "target_vote_share_pct_muni": 4.05077,
      "vote_share_delta_pct_pt": 0.783469
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "383562",
      "municipality_name": "上島町",
      "municipality_name_en": "Kamijima-cho",
      "baseline_votes": 181.0,
      "target_votes": 197.0,
      "votes_delta": 16.0,
      "votes_change_rate_pct": 8.839779,
      "baseline_vote_share_pct_muni": 5.225173,
      "target_vote_share_pct_muni": 5.700231,
      "vote_share_delta_pct_pt": 0.475058
    }
  ]
}