{
  "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": "",
    "prefecture_name": "全国",
    "prefecture_name_en": "National",
    "party_id": "CDR_TJU",
    "party_label": "中道+ゆうこく（2025=公明+立憲）",
    "party_label_en": "Centrist + Yukoku bloc (2025=Komeito+CDP)",
    "scope": "nationwide-ranking",
    "ranking_id": "worst50",
    "ranking_label": "全国 Worst 50",
    "ranking_label_en": "National Worst 50"
  },
  "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": 50,
    "municipality_count": 50,
    "min_votes_change_rate_pct": -99.908814,
    "max_votes_change_rate_pct": -38.956279
  },
  "municipalities": [
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422010",
      "municipality_name": "長崎市",
      "municipality_name_en": "Nagasaki-shi",
      "baseline_votes": 38701.105,
      "target_votes": 35.29,
      "votes_delta": -38665.815,
      "votes_change_rate_pct": -99.908814,
      "baseline_vote_share_pct_muni": 21.620004,
      "target_vote_share_pct_muni": 19.497238,
      "vote_share_delta_pct_pt": -2.122766
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422029",
      "municipality_name": "佐世保市",
      "municipality_name_en": "Sasebo-shi",
      "baseline_votes": 21187.097,
      "target_votes": 19.638,
      "votes_delta": -21167.459,
      "votes_change_rate_pct": -99.907312,
      "baseline_vote_share_pct_muni": 20.968604,
      "target_vote_share_pct_muni": 19.638,
      "vote_share_delta_pct_pt": -1.330604
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "424110",
      "municipality_name": "新上五島町",
      "municipality_name_en": "Shinkamigoto-cho",
      "baseline_votes": 2325.579,
      "target_votes": 78.091,
      "votes_delta": -2247.488,
      "votes_change_rate_pct": -96.642084,
      "baseline_vote_share_pct_muni": 26.469144,
      "target_vote_share_pct_muni": 3.063593,
      "vote_share_delta_pct_pt": -23.405551
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422096",
      "municipality_name": "対馬市",
      "municipality_name_en": "Tsushima-shi",
      "baseline_votes": 2964.656,
      "target_votes": 129.042,
      "votes_delta": -2835.614,
      "votes_change_rate_pct": -95.64732,
      "baseline_vote_share_pct_muni": 22.297353,
      "target_vote_share_pct_muni": 3.330116,
      "vote_share_delta_pct_pt": -18.967237
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422100",
      "municipality_name": "壱岐市",
      "municipality_name_en": "Iki-shi",
      "baseline_votes": 3007.846,
      "target_votes": 132.565,
      "votes_delta": -2875.281,
      "votes_change_rate_pct": -95.592693,
      "baseline_vote_share_pct_muni": 22.315053,
      "target_vote_share_pct_muni": 3.547364,
      "vote_share_delta_pct_pt": -18.767689
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422142",
      "municipality_name": "南島原市",
      "municipality_name_en": "Minamishimabara-shi",
      "baseline_votes": 4374.873,
      "target_votes": 221.981,
      "votes_delta": -4152.892,
      "votes_change_rate_pct": -94.926001,
      "baseline_vote_share_pct_muni": 24.605585,
      "target_vote_share_pct_muni": 7.970592,
      "vote_share_delta_pct_pt": -16.634993
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422118",
      "municipality_name": "五島市",
      "municipality_name_en": "Goto-shi",
      "baseline_votes": 3460.294,
      "target_votes": 190.255,
      "votes_delta": -3270.039,
      "votes_change_rate_pct": -94.501768,
      "baseline_vote_share_pct_muni": 21.939475,
      "target_vote_share_pct_muni": 8.11322,
      "vote_share_delta_pct_pt": -13.826255
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422037",
      "municipality_name": "島原市",
      "municipality_name_en": "Shimabara-shi",
      "baseline_votes": 3889.297,
      "target_votes": 219.602,
      "votes_delta": -3669.695,
      "votes_change_rate_pct": -94.353684,
      "baseline_vote_share_pct_muni": 21.865953,
      "target_vote_share_pct_muni": 6.096669,
      "vote_share_delta_pct_pt": -15.769284
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423084",
      "municipality_name": "時津町",
      "municipality_name_en": "Togitsu-cho",
      "baseline_votes": 2675.684,
      "target_votes": 153.471,
      "votes_delta": -2522.213,
      "votes_change_rate_pct": -94.264233,
      "baseline_vote_share_pct_muni": 20.827306,
      "target_vote_share_pct_muni": 4.290495,
      "vote_share_delta_pct_pt": -16.536811
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422134",
      "municipality_name": "雲仙市",
      "municipality_name_en": "Unzen-shi",
      "baseline_votes": 3416.666,
      "target_votes": 208.374,
      "votes_delta": -3208.292,
      "votes_change_rate_pct": -93.901248,
      "baseline_vote_share_pct_muni": 19.755224,
      "target_vote_share_pct_muni": 6.302904,
      "vote_share_delta_pct_pt": -13.45232
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423076",
      "municipality_name": "長与町",
      "municipality_name_en": "Nagayo-cho",
      "baseline_votes": 4160.015,
      "target_votes": 260.915,
      "votes_delta": -3899.1,
      "votes_change_rate_pct": -93.728027,
      "baseline_vote_share_pct_muni": 21.647578,
      "target_vote_share_pct_muni": 13.098142,
      "vote_share_delta_pct_pt": -8.549436
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422070",
      "municipality_name": "平戸市",
      "municipality_name_en": "Hirado-shi",
      "baseline_votes": 2367.454,
      "target_votes": 170.992,
      "votes_delta": -2196.462,
      "votes_change_rate_pct": -92.777389,
      "baseline_vote_share_pct_muni": 17.966563,
      "target_vote_share_pct_muni": 3.638902,
      "vote_share_delta_pct_pt": -14.327661
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422088",
      "municipality_name": "松浦市",
      "municipality_name_en": "Matsuura-shi",
      "baseline_votes": 1767.235,
      "target_votes": 130.607,
      "votes_delta": -1636.628,
      "votes_change_rate_pct": -92.609528,
      "baseline_vote_share_pct_muni": 18.961749,
      "target_vote_share_pct_muni": 4.240487,
      "vote_share_delta_pct_pt": -14.721262
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422126",
      "municipality_name": "西海市",
      "municipality_name_en": "Saikai-shi",
      "baseline_votes": 2398.246,
      "target_votes": 189.358,
      "votes_delta": -2208.888,
      "votes_change_rate_pct": -92.104313,
      "baseline_vote_share_pct_muni": 20.819915,
      "target_vote_share_pct_muni": 6.276367,
      "vote_share_delta_pct_pt": -14.543548
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422053",
      "municipality_name": "大村市",
      "municipality_name_en": "Omura-shi",
      "baseline_votes": 9240.667,
      "target_votes": 743.225,
      "votes_delta": -8497.442,
      "votes_change_rate_pct": -91.95702,
      "baseline_vote_share_pct_muni": 21.124422,
      "target_vote_share_pct_muni": 32.007967,
      "vote_share_delta_pct_pt": 10.883545
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "422045",
      "municipality_name": "諫早市",
      "municipality_name_en": "Isahaya-shi",
      "baseline_votes": 12324.433,
      "target_votes": 993.008,
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      "votes_change_rate_pct": -91.942769,
      "baseline_vote_share_pct_muni": 20.712984,
      "target_vote_share_pct_muni": 95.298272,
      "vote_share_delta_pct_pt": 74.585288
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423220",
      "municipality_name": "川棚町",
      "municipality_name_en": "Kawatana-cho",
      "baseline_votes": 1424.861,
      "target_votes": 117.265,
      "votes_delta": -1307.596,
      "votes_change_rate_pct": -91.770074,
      "baseline_vote_share_pct_muni": 24.178873,
      "target_vote_share_pct_muni": 5.235044,
      "vote_share_delta_pct_pt": -18.943829
    },
    {
      "prefecture_code": "42",
      "prefecture_name": "長崎県",
      "prefecture_name_en": "Nagasaki",
      "jis_code": "423238",
      "municipality_name": "波佐見町",
      "municipality_name_en": "Hasami-cho",
      "baseline_votes": 1383.325,
      "target_votes": 143.057,
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      "votes_change_rate_pct": -89.658468,
      "baseline_vote_share_pct_muni": 21.016788,
      "target_vote_share_pct_muni": 5.53412,
      "vote_share_delta_pct_pt": -15.482668
    },
    {
      "prefecture_code": "47",
      "prefecture_name": "沖縄県",
      "prefecture_name_en": "Okinawa",
      "jis_code": "473588",
      "municipality_name": "北大東村",
      "municipality_name_en": "Kitadaito-son",
      "baseline_votes": 67.0,
      "target_votes": 28.0,
      "votes_delta": -39.0,
      "votes_change_rate_pct": -58.208955,
      "baseline_vote_share_pct_muni": 22.112211,
      "target_vote_share_pct_muni": 9.032258,
      "vote_share_delta_pct_pt": -13.079953
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131202",
      "municipality_name": "練馬区9区",
      "municipality_name_en": "Nerima-ku",
      "baseline_votes": 74482.768,
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      "votes_change_rate_pct": -53.346256,
      "baseline_vote_share_pct_muni": 19.48719,
      "target_vote_share_pct_muni": 18.652374,
      "vote_share_delta_pct_pt": -0.834816
    },
    {
      "prefecture_code": "12",
      "prefecture_name": "千葉県",
      "prefecture_name_en": "Chiba",
      "jis_code": "122041",
      "municipality_name": "船橋市14区",
      "municipality_name_en": "Funabashi-shi",
      "baseline_votes": 82698.313,
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      "votes_delta": -43596.313,
      "votes_change_rate_pct": -52.717294,
      "baseline_vote_share_pct_muni": 28.155109,
      "target_vote_share_pct_muni": 27.66609,
      "vote_share_delta_pct_pt": -0.489019
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131121",
      "municipality_name": "世田谷区6区",
      "municipality_name_en": "Setagaya-ku",
      "baseline_votes": 87694.587,
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      "votes_change_rate_pct": -52.629915,
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      "target_vote_share_pct_muni": 16.98171,
      "vote_share_delta_pct_pt": -0.960292
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "293229",
      "municipality_name": "山辺郡山添村",
      "municipality_name_en": "Yamazoe-mura",
      "baseline_votes": 347.112,
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      "target_vote_share_pct_muni": 8.395802,
      "vote_share_delta_pct_pt": -8.890652
    },
    {
      "prefecture_code": "45",
      "prefecture_name": "宮崎県",
      "prefecture_name_en": "Miyazaki",
      "jis_code": "454290",
      "municipality_name": "諸塚村",
      "municipality_name_en": "Morotsuka-son",
      "baseline_votes": 137.03,
      "target_votes": 67.0,
      "votes_delta": -70.03,
      "votes_change_rate_pct": -51.105597,
      "baseline_vote_share_pct_muni": 13.316813,
      "target_vote_share_pct_muni": 6.594488,
      "vote_share_delta_pct_pt": -6.722325
    },
    {
      "prefecture_code": "47",
      "prefecture_name": "沖縄県",
      "prefecture_name_en": "Okinawa",
      "jis_code": "473570",
      "municipality_name": "南大東村",
      "municipality_name_en": "Minamidaito-son",
      "baseline_votes": 175.906,
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      "baseline_vote_share_pct_muni": 31.524373,
      "target_vote_share_pct_muni": 15.09434,
      "vote_share_delta_pct_pt": -16.430033
    },
    {
      "prefecture_code": "12",
      "prefecture_name": "千葉県",
      "prefecture_name_en": "Chiba",
      "jis_code": "122033",
      "municipality_name": "市川市4区",
      "municipality_name_en": "Ichikawa-shi",
      "baseline_votes": 47964.176,
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      "votes_change_rate_pct": -49.212095,
      "baseline_vote_share_pct_muni": 20.679384,
      "target_vote_share_pct_muni": 16.009148,
      "vote_share_delta_pct_pt": -4.670236
    },
    {
      "prefecture_code": "45",
      "prefecture_name": "宮崎県",
      "prefecture_name_en": "Miyazaki",
      "jis_code": "454303",
      "municipality_name": "椎葉村",
      "municipality_name_en": "Shiiba-son",
      "baseline_votes": 373.552,
      "target_votes": 200.0,
      "votes_delta": -173.552,
      "votes_change_rate_pct": -46.459931,
      "baseline_vote_share_pct_muni": 25.121184,
      "target_vote_share_pct_muni": 13.140604,
      "vote_share_delta_pct_pt": -11.98058
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131210",
      "municipality_name": "足立区29区",
      "municipality_name_en": "Adachi-ku",
      "baseline_votes": 67111.673,
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      "votes_change_rate_pct": -46.022803,
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      "target_vote_share_pct_muni": 17.320188,
      "vote_share_delta_pct_pt": -3.781922
    },
    {
      "prefecture_code": "06",
      "prefecture_name": "山形県",
      "prefecture_name_en": "Yamagata",
      "jis_code": "063614",
      "municipality_name": "金山町",
      "municipality_name_en": "Kaneyama-machi",
      "baseline_votes": 774.371,
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      "votes_delta": -351.371,
      "votes_change_rate_pct": -45.375021,
      "baseline_vote_share_pct_muni": 27.028656,
      "target_vote_share_pct_muni": 15.75419,
      "vote_share_delta_pct_pt": -11.274466
    },
    {
      "prefecture_code": "43",
      "prefecture_name": "熊本県",
      "prefecture_name_en": "Kumamoto",
      "jis_code": "435112",
      "municipality_name": "五木村",
      "municipality_name_en": "Itsuki-mura",
      "baseline_votes": 160.612,
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      "votes_change_rate_pct": -43.964336,
      "baseline_vote_share_pct_muni": 27.084655,
      "target_vote_share_pct_muni": 15.437393,
      "vote_share_delta_pct_pt": -11.647262
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294462",
      "municipality_name": "吉野郡天川村",
      "municipality_name_en": "Tenkawa-mura",
      "baseline_votes": 85.029,
      "target_votes": 48.0,
      "votes_delta": -37.029,
      "votes_change_rate_pct": -43.548672,
      "baseline_vote_share_pct_muni": 12.181805,
      "target_vote_share_pct_muni": 6.70391,
      "vote_share_delta_pct_pt": -5.477895
    },
    {
      "prefecture_code": "29",
      "prefecture_name": "奈良県",
      "prefecture_name_en": "Nara",
      "jis_code": "294438",
      "municipality_name": "吉野郡下市町",
      "municipality_name_en": "Shimoichi-cho",
      "baseline_votes": 552.835,
      "target_votes": 315.0,
      "votes_delta": -237.835,
      "votes_change_rate_pct": -43.020974,
      "baseline_vote_share_pct_muni": 21.197661,
      "target_vote_share_pct_muni": 12.157468,
      "vote_share_delta_pct_pt": -9.040193
    },
    {
      "prefecture_code": "13",
      "prefecture_name": "東京都",
      "prefecture_name_en": "Tokyo",
      "jis_code": "131113",
      "municipality_name": "大田区26区",
      "municipality_name_en": "Ota-ku",
      "baseline_votes": 68161.005,
      "target_votes": 38856.0,
      "votes_delta": -29305.005,
      "votes_change_rate_pct": -42.993798,
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}
