{
  "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": "SAN",
    "party_label": "参政",
    "party_label_en": "Sanseito",
    "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": -57.007796,
    "max_votes_change_rate_pct": 22.413793
  },
  "municipalities": [
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393053",
      "municipality_name": "北川村",
      "municipality_name_en": "Kitagawa-mura",
      "baseline_votes": 58.0,
      "target_votes": 71.0,
      "votes_delta": 13.0,
      "votes_change_rate_pct": 22.413793,
      "baseline_vote_share_pct_muni": 8.504399,
      "target_vote_share_pct_muni": 10.757576,
      "vote_share_delta_pct_pt": 2.253177
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393061",
      "municipality_name": "馬路村",
      "municipality_name_en": "Umaji-mura",
      "baseline_votes": 31.0,
      "target_votes": 33.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 6.451613,
      "baseline_vote_share_pct_muni": 6.623932,
      "target_vote_share_pct_muni": 7.551487,
      "vote_share_delta_pct_pt": 0.927555
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393630",
      "municipality_name": "土佐町",
      "municipality_name_en": "Tosa-cho",
      "baseline_votes": 151.0,
      "target_votes": 139.0,
      "votes_delta": -12.0,
      "votes_change_rate_pct": -7.94702,
      "baseline_vote_share_pct_muni": 8.278509,
      "target_vote_share_pct_muni": 7.787115,
      "vote_share_delta_pct_pt": -0.491394
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393010",
      "municipality_name": "東洋町",
      "municipality_name_en": "Toyo-cho",
      "baseline_votes": 79.0,
      "target_votes": 72.0,
      "votes_delta": -7.0,
      "votes_change_rate_pct": -8.860759,
      "baseline_vote_share_pct_muni": 8.350951,
      "target_vote_share_pct_muni": 7.659574,
      "vote_share_delta_pct_pt": -0.691377
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363022",
      "municipality_name": "上勝町",
      "municipality_name_en": "Kamikatsu-cho",
      "baseline_votes": 58.0,
      "target_votes": 52.0,
      "votes_delta": -6.0,
      "votes_change_rate_pct": -10.344828,
      "baseline_vote_share_pct_muni": 8.180536,
      "target_vote_share_pct_muni": 7.094134,
      "vote_share_delta_pct_pt": -1.086402
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393037",
      "municipality_name": "田野町",
      "municipality_name_en": "Tano-cho",
      "baseline_votes": 115.0,
      "target_votes": 98.0,
      "votes_delta": -17.0,
      "votes_change_rate_pct": -14.782609,
      "baseline_vote_share_pct_muni": 9.696459,
      "target_vote_share_pct_muni": 8.506944,
      "vote_share_delta_pct_pt": -1.189515
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393444",
      "municipality_name": "大豊町",
      "municipality_name_en": "Otoyo-cho",
      "baseline_votes": 122.0,
      "target_votes": 103.0,
      "votes_delta": -19.0,
      "votes_change_rate_pct": -15.57377,
      "baseline_vote_share_pct_muni": 7.521578,
      "target_vote_share_pct_muni": 6.482064,
      "vote_share_delta_pct_pt": -1.039514
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393410",
      "municipality_name": "本山町",
      "municipality_name_en": "Motoyama-cho",
      "baseline_votes": 140.0,
      "target_votes": 117.0,
      "votes_delta": -23.0,
      "votes_change_rate_pct": -16.428571,
      "baseline_vote_share_pct_muni": 8.658009,
      "target_vote_share_pct_muni": 7.240099,
      "vote_share_delta_pct_pt": -1.41791
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393045",
      "municipality_name": "安田町",
      "municipality_name_en": "Yasuda-cho",
      "baseline_votes": 98.0,
      "target_votes": 81.0,
      "votes_delta": -17.0,
      "votes_change_rate_pct": -17.346939,
      "baseline_vote_share_pct_muni": 8.81295,
      "target_vote_share_pct_muni": 7.277628,
      "vote_share_delta_pct_pt": -1.535322
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363880",
      "municipality_name": "海陽町",
      "municipality_name_en": "Kaiyo-cho",
      "baseline_votes": 359.0,
      "target_votes": 293.0,
      "votes_delta": -66.0,
      "votes_change_rate_pct": -18.384401,
      "baseline_vote_share_pct_muni": 9.274089,
      "target_vote_share_pct_muni": 6.842597,
      "vote_share_delta_pct_pt": -2.431492
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "392022",
      "municipality_name": "室戸市",
      "municipality_name_en": "Muroto-shi",
      "baseline_votes": 513.0,
      "target_votes": 401.0,
      "votes_delta": -112.0,
      "votes_change_rate_pct": -21.832359,
      "baseline_vote_share_pct_muni": 10.732218,
      "target_vote_share_pct_muni": 8.803513,
      "vote_share_delta_pct_pt": -1.928705
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393878",
      "municipality_name": "仁淀川町",
      "municipality_name_en": "Niyodogawa-cho",
      "baseline_votes": 217.0,
      "target_votes": 169.0,
      "votes_delta": -48.0,
      "votes_change_rate_pct": -22.119816,
      "baseline_vote_share_pct_muni": 8.78187,
      "target_vote_share_pct_muni": 6.858766,
      "vote_share_delta_pct_pt": -1.923104
    },
    {
      "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": 7597.98,
      "target_votes": 5883.0,
      "votes_delta": -1714.98,
      "votes_change_rate_pct": -22.571526,
      "baseline_vote_share_pct_muni": 15.061013,
      "target_vote_share_pct_muni": 11.420418,
      "vote_share_delta_pct_pt": -3.640595
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363685",
      "municipality_name": "那賀町",
      "municipality_name_en": "Naka-cho",
      "baseline_votes": 282.0,
      "target_votes": 218.0,
      "votes_delta": -64.0,
      "votes_change_rate_pct": -22.695035,
      "baseline_vote_share_pct_muni": 8.084862,
      "target_vote_share_pct_muni": 5.751979,
      "vote_share_delta_pct_pt": -2.332883
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363219",
      "municipality_name": "佐那河内村",
      "municipality_name_en": "Sanagouchi-son",
      "baseline_votes": 117.0,
      "target_votes": 90.0,
      "votes_delta": -27.0,
      "votes_change_rate_pct": -23.076923,
      "baseline_vote_share_pct_muni": 10.61706,
      "target_vote_share_pct_muni": 7.627119,
      "vote_share_delta_pct_pt": -2.989941
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "394246",
      "municipality_name": "大月町",
      "municipality_name_en": "Otsuki-cho",
      "baseline_votes": 207.0,
      "target_votes": 157.0,
      "votes_delta": -50.0,
      "votes_change_rate_pct": -24.154589,
      "baseline_vote_share_pct_muni": 8.397566,
      "target_vote_share_pct_muni": 6.421268,
      "vote_share_delta_pct_pt": -1.976298
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "392030",
      "municipality_name": "安芸市",
      "municipality_name_en": "Aki-shi",
      "baseline_votes": 941.0,
      "target_votes": 711.0,
      "votes_delta": -230.0,
      "votes_change_rate_pct": -24.442083,
      "baseline_vote_share_pct_muni": 13.815886,
      "target_vote_share_pct_muni": 10.30883,
      "vote_share_delta_pct_pt": -3.507056
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "394050",
      "municipality_name": "檮原町",
      "municipality_name_en": "Yusuhara-cho",
      "baseline_votes": 124.333,
      "target_votes": 93.0,
      "votes_delta": -31.333,
      "votes_change_rate_pct": -25.200872,
      "baseline_vote_share_pct_muni": 6.717072,
      "target_vote_share_pct_muni": 4.874214,
      "vote_share_delta_pct_pt": -1.842858
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "393070",
      "municipality_name": "芸西村",
      "municipality_name_en": "Geisei-mura",
      "baseline_votes": 200.0,
      "target_votes": 149.0,
      "votes_delta": -51.0,
      "votes_change_rate_pct": -25.5,
      "baseline_vote_share_pct_muni": 13.131976,
      "target_vote_share_pct_muni": 9.84148,
      "vote_share_delta_pct_pt": -3.290496
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363871",
      "municipality_name": "美波町",
      "municipality_name_en": "Minami-cho",
      "baseline_votes": 317.0,
      "target_votes": 236.0,
      "votes_delta": -81.0,
      "votes_change_rate_pct": -25.55205,
      "baseline_vote_share_pct_muni": 11.337625,
      "target_vote_share_pct_muni": 7.830126,
      "vote_share_delta_pct_pt": -3.507499
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "394114",
      "municipality_name": "津野町",
      "municipality_name_en": "Tsuno-cho",
      "baseline_votes": 324.0,
      "target_votes": 240.0,
      "votes_delta": -84.0,
      "votes_change_rate_pct": -25.925926,
      "baseline_vote_share_pct_muni": 11.460913,
      "target_vote_share_pct_muni": 8.522727,
      "vote_share_delta_pct_pt": -2.938186
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363413",
      "municipality_name": "石井町",
      "municipality_name_en": "Ishii-cho",
      "baseline_votes": 1353.0,
      "target_votes": 991.0,
      "votes_delta": -362.0,
      "votes_change_rate_pct": -26.755358,
      "baseline_vote_share_pct_muni": 13.493567,
      "target_vote_share_pct_muni": 8.95455,
      "vote_share_delta_pct_pt": -4.539017
    },
    {
      "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": 8846.204,
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      "votes_change_rate_pct": -26.883893,
      "baseline_vote_share_pct_muni": 13.76327,
      "target_vote_share_pct_muni": 9.739497,
      "vote_share_delta_pct_pt": -4.023773
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363839",
      "municipality_name": "牟岐町",
      "municipality_name_en": "Mugi-cho",
      "baseline_votes": 170.0,
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      "baseline_vote_share_pct_muni": 9.599097,
      "target_vote_share_pct_muni": 6.813187,
      "vote_share_delta_pct_pt": -2.78591
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "392120",
      "municipality_name": "香美市",
      "municipality_name_en": "Kami-shi",
      "baseline_votes": 1406.0,
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      "target_vote_share_pct_muni": 8.627946,
      "vote_share_delta_pct_pt": -3.0092
    },
    {
      "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": 7024.463,
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      "votes_delta": -1920.463,
      "votes_change_rate_pct": -27.339641,
      "baseline_vote_share_pct_muni": 14.7486,
      "target_vote_share_pct_muni": 10.461589,
      "vote_share_delta_pct_pt": -4.287011
    },
    {
      "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": 504.0,
      "target_votes": 366.0,
      "votes_delta": -138.0,
      "votes_change_rate_pct": -27.380952,
      "baseline_vote_share_pct_muni": 10.11236,
      "target_vote_share_pct_muni": 7.621824,
      "vote_share_delta_pct_pt": -2.490536
    },
    {
      "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": 5811.456,
      "target_votes": 4201.0,
      "votes_delta": -1610.456,
      "votes_change_rate_pct": -27.711747,
      "baseline_vote_share_pct_muni": 16.26401,
      "target_vote_share_pct_muni": 10.726962,
      "vote_share_delta_pct_pt": -5.537048
    },
    {
      "prefecture_code": "39",
      "prefecture_name": "高知県",
      "prefecture_name_en": "Kochi",
      "jis_code": "394122",
      "municipality_name": "四万十町",
      "municipality_name_en": "Shimanto-cho",
      "baseline_votes": 797.0,
      "target_votes": 576.0,
      "votes_delta": -221.0,
      "votes_change_rate_pct": -27.728984,
      "baseline_vote_share_pct_muni": 10.270619,
      "target_vote_share_pct_muni": 7.423637,
      "vote_share_delta_pct_pt": -2.846982
    },
    {
      "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",
      "baseline_votes": 2044.0,
      "target_votes": 1461.0,
      "votes_delta": -583.0,
      "votes_change_rate_pct": -28.522505,
      "baseline_vote_share_pct_muni": 13.836989,
      "target_vote_share_pct_muni": 9.988378,
      "vote_share_delta_pct_pt": -3.848611
    },
    {
      "prefecture_code": "37",
      "prefecture_name": "香川県",
      "prefecture_name_en": "Kagawa",
      "jis_code": "373249",
      "municipality_name": "小豆島町",
      "municipality_name_en": "Shodoshima-cho",
      "baseline_votes": 614.0,
      "target_votes": 438.0,
      "votes_delta": -176.0,
      "votes_change_rate_pct": -28.664495,
      "baseline_vote_share_pct_muni": 9.230307,
      "target_vote_share_pct_muni": 6.366279,
      "vote_share_delta_pct_pt": -2.864028
    },
    {
      "prefecture_code": "36",
      "prefecture_name": "徳島県",
      "prefecture_name_en": "Tokushima",
      "jis_code": "363421",
      "municipality_name": "神山町",
      "municipality_name_en": "Kamiyama-cho",
      "baseline_votes": 188.0,
      "target_votes": 132.0,
      "votes_delta": -56.0,
      "votes_change_rate_pct": -29.787234,
      "baseline_vote_share_pct_muni": 9.601634,
      "target_vote_share_pct_muni": 5.884975,
      "vote_share_delta_pct_pt": -3.716659
    },
    {
      "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": 181.0,
      "target_votes": 127.0,
      "votes_delta": -54.0,
      "votes_change_rate_pct": -29.834254,
      "baseline_vote_share_pct_muni": 9.516299,
      "target_vote_share_pct_muni": 6.740977,
      "vote_share_delta_pct_pt": -2.775322
    },
    {
      "prefecture_code": "38",
      "prefecture_name": "愛媛県",
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}
