{
  "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",
  "point_grain": "municipality",
  "selector": {
    "prefecture_code": "",
    "prefecture_name": "",
    "prefecture_name_en": "",
    "region_id": "shikoku",
    "region_name": "四国地方",
    "region_name_en": "Shikoku Region",
    "party_id": "LDP",
    "party_label": "自民",
    "party_label_en": "Liberal Democratic Party",
    "scope": "region",
    "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": 95,
    "municipality_count": 95,
    "min_votes_change_rate_pct": -8.275862,
    "max_votes_change_rate_pct": 118.863799
  },
  "municipalities": [
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "364029",
      "municipality_name": "北島町",
      "municipality_name_en": "Kitajima-cho",
      "baseline_votes": 1999.417,
      "target_votes": 4376.0,
      "votes_delta": 2376.583,
      "votes_change_rate_pct": 118.863799,
      "baseline_vote_share_pct_muni": 20.519468,
      "target_vote_share_pct_muni": 41.364968,
      "vote_share_delta_pct_pt": 20.8455
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "364037",
      "municipality_name": "藍住町",
      "municipality_name_en": "Aizumi-cho",
      "baseline_votes": 2843.157,
      "target_votes": 6058.0,
      "votes_delta": 3214.843,
      "votes_change_rate_pct": 113.073003,
      "baseline_vote_share_pct_muni": 20.28074,
      "target_vote_share_pct_muni": 40.614106,
      "vote_share_delta_pct_pt": 20.333366
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373869",
      "municipality_name": "宇多津町",
      "municipality_name_en": "Utazu-cho",
      "baseline_votes": 1530.65,
      "target_votes": 3237.0,
      "votes_delta": 1706.35,
      "votes_change_rate_pct": 111.478784,
      "baseline_vote_share_pct_muni": 18.495046,
      "target_vote_share_pct_muni": 39.132012,
      "vote_share_delta_pct_pt": 20.636966
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "364045",
      "municipality_name": "板野町",
      "municipality_name_en": "Itano-cho",
      "baseline_votes": 1161.75,
      "target_votes": 2337.0,
      "votes_delta": 1175.25,
      "votes_change_rate_pct": 101.16204,
      "baseline_vote_share_pct_muni": 23.170124,
      "target_vote_share_pct_muni": 41.859215,
      "vote_share_delta_pct_pt": 18.689091
    },
    {
      "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": 9857.413,
      "target_votes": 19044.0,
      "votes_delta": 9186.587,
      "votes_change_rate_pct": 93.194705,
      "baseline_vote_share_pct_muni": 27.587073,
      "target_vote_share_pct_muni": 48.627531,
      "vote_share_delta_pct_pt": 21.040458
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "364010",
      "municipality_name": "松茂町",
      "municipality_name_en": "Matsushige-cho",
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      "target_votes": 2738.0,
      "votes_delta": 1265.369,
      "votes_change_rate_pct": 85.925734,
      "baseline_vote_share_pct_muni": 25.412097,
      "target_vote_share_pct_muni": 43.030017,
      "vote_share_delta_pct_pt": 17.61792
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "362018",
      "municipality_name": "徳島市",
      "municipality_name_en": "Tokushima-shi",
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      "votes_change_rate_pct": 85.483199,
      "baseline_vote_share_pct_muni": 22.056531,
      "target_vote_share_pct_muni": 38.563586,
      "vote_share_delta_pct_pt": 16.507055
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "362042",
      "municipality_name": "阿南市",
      "municipality_name_en": "Anan-shi",
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      "votes_change_rate_pct": 82.83767,
      "baseline_vote_share_pct_muni": 25.374829,
      "target_vote_share_pct_muni": 41.853503,
      "vote_share_delta_pct_pt": 16.478674
    },
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      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "362026",
      "municipality_name": "鳴門市",
      "municipality_name_en": "Naruto-shi",
      "baseline_votes": 5323.624,
      "target_votes": 9558.0,
      "votes_delta": 4234.376,
      "votes_change_rate_pct": 79.539351,
      "baseline_vote_share_pct_muni": 24.637282,
      "target_vote_share_pct_muni": 40.995068,
      "vote_share_delta_pct_pt": 16.357786
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372030",
      "municipality_name": "坂出市",
      "municipality_name_en": "Sakaide-shi",
      "baseline_votes": 5582.471,
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      "votes_change_rate_pct": 79.096318,
      "baseline_vote_share_pct_muni": 25.163268,
      "target_vote_share_pct_muni": 43.333911,
      "vote_share_delta_pct_pt": 18.170643
    },
    {
      "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": 11796.868,
      "target_votes": 20914.0,
      "votes_delta": 9117.132,
      "votes_change_rate_pct": 77.284344,
      "baseline_vote_share_pct_muni": 23.384213,
      "target_vote_share_pct_muni": 40.59946,
      "vote_share_delta_pct_pt": 17.215247
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "362034",
      "municipality_name": "小松島市",
      "municipality_name_en": "Komatsushima-shi",
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      "votes_change_rate_pct": 77.123012,
      "baseline_vote_share_pct_muni": 25.111339,
      "target_vote_share_pct_muni": 40.49432,
      "vote_share_delta_pct_pt": 15.382981
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "362050",
      "municipality_name": "吉野川市",
      "municipality_name_en": "Yoshinogawa-shi",
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      "baseline_vote_share_pct_muni": 27.201429,
      "target_vote_share_pct_muni": 41.627258,
      "vote_share_delta_pct_pt": 14.425829
    },
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      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "364053",
      "municipality_name": "上板町",
      "municipality_name_en": "Kamiita-cho",
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      "target_vote_share_pct_muni": 41.422423,
      "vote_share_delta_pct_pt": 14.172792
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      "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",
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      "vote_share_delta_pct_pt": 18.10178
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      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373877",
      "municipality_name": "綾川町",
      "municipality_name_en": "Ayagawa-cho",
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      "vote_share_delta_pct_pt": 16.422621
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      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373419",
      "municipality_name": "三木町",
      "municipality_name_en": "Miki-cho",
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      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363413",
      "municipality_name": "石井町",
      "municipality_name_en": "Ishii-cho",
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      "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",
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      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "392111",
      "municipality_name": "香南市",
      "municipality_name_en": "Konan-shi",
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      "municipality_name": "阿波市",
      "municipality_name_en": "Awa-shi",
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      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372056",
      "municipality_name": "観音寺市",
      "municipality_name_en": "Kanonji-shi",
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      "jis_code": "392049",
      "municipality_name": "南国市",
      "municipality_name_en": "Nankoku-shi",
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      "prefecture_name": "愛媛県",
      "prefecture_name_en": "Ehime",
      "jis_code": "382027",
      "municipality_name": "今治市",
      "municipality_name_en": "Imabari-shi",
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      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372064",
      "municipality_name": "さぬき市",
      "municipality_name_en": "Sanuki-shi",
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      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372072",
      "municipality_name": "東かがわ市",
      "municipality_name_en": "Higashikagawa-shi",
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      "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",
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      "vote_share_delta_pct_pt": 17.357185
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      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "372048",
      "municipality_name": "善通寺市",
      "municipality_name_en": "Zentsuji-shi",
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      "votes_change_rate_pct": 52.937324,
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      "vote_share_delta_pct_pt": 16.161772
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      "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",
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      "votes_change_rate_pct": 52.22621,
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      "vote_share_delta_pct_pt": 16.412837
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      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373648",
      "municipality_name": "直島町",
      "municipality_name_en": "Naoshima-cho",
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      "votes_delta": 188.0,
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      "vote_share_delta_pct_pt": 13.775055
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      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "374067",
      "municipality_name": "まんのう町",
      "municipality_name_en": "Manno-cho",
      "baseline_votes": 2204.582,
      "target_votes": 3342.0,
      "votes_delta": 1137.418,
      "votes_change_rate_pct": 51.593363,
      "baseline_vote_share_pct_muni": 28.645816,
      "target_vote_share_pct_muni": 43.459038,
      "vote_share_delta_pct_pt": 14.813222
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "374040",
      "municipality_name": "多度津町",
      "municipality_name_en": "Tadotsu-cho",
      "baseline_votes": 2429.0,
      "target_votes": 3641.0,
      "votes_delta": 1212.0,
      "votes_change_rate_pct": 49.897077,
      "baseline_vote_share_pct_muni": 25.210171,
      "target_vote_share_pct_muni": 38.423385,
      "vote_share_delta_pct_pt": 13.213214
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "362077",
      "municipality_name": "美馬市",
      "municipality_name_en": "Mima-shi",
      "baseline_votes": 3831.856,
      "target_votes": 5742.0,
      "votes_delta": 1910.144,
      "votes_change_rate_pct": 49.849055,
      "baseline_vote_share_pct_muni": 33.766796,
      "target_vote_share_pct_muni": 46.276596,
      "vote_share_delta_pct_pt": 12.5098
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
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}
