{
  "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": "11",
    "prefecture_name": "埼玉県",
    "prefecture_name_en": "Saitama",
    "party_id": "LDP",
    "party_label": "自民",
    "party_label_en": "Liberal Democratic Party",
    "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": 73,
    "municipality_count": 73,
    "min_votes_change_rate_pct": 16.274864,
    "max_votes_change_rate_pct": 102.276806
  },
  "municipalities": [
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112240",
      "municipality_name": "戸田市",
      "municipality_name_en": "Toda-shi",
      "baseline_votes": 9839.487,
      "target_votes": 19903.0,
      "votes_delta": 10063.513,
      "votes_change_rate_pct": 102.276806,
      "baseline_vote_share_pct_muni": 15.515291,
      "target_vote_share_pct_muni": 33.163376,
      "vote_share_delta_pct_pt": 17.648085
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111090",
      "municipality_name": "さいたま市緑区",
      "municipality_name_en": "Midori-ku",
      "baseline_votes": 10141.407,
      "target_votes": 20400.0,
      "votes_delta": 10258.593,
      "votes_change_rate_pct": 101.15552,
      "baseline_vote_share_pct_muni": 16.440104,
      "target_vote_share_pct_muni": 33.874101,
      "vote_share_delta_pct_pt": 17.433997
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112348",
      "municipality_name": "八潮市",
      "municipality_name_en": "Yashio-shi",
      "baseline_votes": 6493.0,
      "target_votes": 12649.0,
      "votes_delta": 6156.0,
      "votes_change_rate_pct": 94.809795,
      "baseline_vote_share_pct_muni": 16.094889,
      "target_vote_share_pct_muni": 34.874552,
      "vote_share_delta_pct_pt": 18.779663
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111058",
      "municipality_name": "さいたま市中央区",
      "municipality_name_en": "Chuo-ku",
      "baseline_votes": 9267.999,
      "target_votes": 17865.0,
      "votes_delta": 8597.001,
      "votes_change_rate_pct": 92.760055,
      "baseline_vote_share_pct_muni": 17.84229,
      "target_vote_share_pct_muni": 34.749373,
      "vote_share_delta_pct_pt": 16.907083
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111015",
      "municipality_name": "さいたま市西区",
      "municipality_name_en": "Nishi-ku",
      "baseline_votes": 7469.836,
      "target_votes": 14265.0,
      "votes_delta": 6795.164,
      "votes_change_rate_pct": 90.968048,
      "baseline_vote_share_pct_muni": 17.511806,
      "target_vote_share_pct_muni": 34.691992,
      "vote_share_delta_pct_pt": 17.180186
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113417",
      "municipality_name": "滑川町",
      "municipality_name_en": "Namegawa-machi",
      "baseline_votes": 1800.0,
      "target_votes": 3418.0,
      "votes_delta": 1618.0,
      "votes_change_rate_pct": 89.888889,
      "baseline_vote_share_pct_muni": 20.100503,
      "target_vote_share_pct_muni": 38.560469,
      "vote_share_delta_pct_pt": 18.459966
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111031",
      "municipality_name": "さいたま市大宮区",
      "municipality_name_en": "Omiya-ku",
      "baseline_votes": 11113.666,
      "target_votes": 20782.0,
      "votes_delta": 9668.334,
      "votes_change_rate_pct": 86.995002,
      "baseline_vote_share_pct_muni": 17.955967,
      "target_vote_share_pct_muni": 34.533067,
      "vote_share_delta_pct_pt": 16.5771
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111023",
      "municipality_name": "さいたま市北区",
      "municipality_name_en": "Kita-ku",
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      "votes_delta": 11095.001,
      "votes_change_rate_pct": 84.591353,
      "baseline_vote_share_pct_muni": 17.890414,
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      "vote_share_delta_pct_pt": 16.414449
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112275",
      "municipality_name": "朝霞市",
      "municipality_name_en": "Asaka-shi",
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      "votes_change_rate_pct": 84.161973,
      "baseline_vote_share_pct_muni": 17.58732,
      "target_vote_share_pct_muni": 33.701937,
      "vote_share_delta_pct_pt": 16.114617
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111074",
      "municipality_name": "さいたま市浦和区",
      "municipality_name_en": "Urawa-ku",
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      "target_votes": 29515.0,
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      "votes_change_rate_pct": 82.87998,
      "baseline_vote_share_pct_muni": 18.394958,
      "target_vote_share_pct_muni": 33.657574,
      "vote_share_delta_pct_pt": 15.262616
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111007",
      "municipality_name": "さいたま市",
      "municipality_name_en": "Saitama-shi",
      "baseline_votes": 114408.151,
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      "votes_delta": 94587.849,
      "votes_change_rate_pct": 82.675796,
      "baseline_vote_share_pct_muni": 17.87309,
      "target_vote_share_pct_muni": 33.766053,
      "vote_share_delta_pct_pt": 15.892963
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112291",
      "municipality_name": "和光市",
      "municipality_name_en": "Wako-shi",
      "baseline_votes": 7386.0,
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      "votes_delta": 6039.0,
      "votes_change_rate_pct": 81.762794,
      "baseline_vote_share_pct_muni": 17.679584,
      "target_vote_share_pct_muni": 33.773585,
      "vote_share_delta_pct_pt": 16.094001
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112216",
      "municipality_name": "草加市",
      "municipality_name_en": "Soka-shi",
      "baseline_votes": 19071.644,
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      "vote_share_delta_pct_pt": 16.428192
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111066",
      "municipality_name": "さいたま市桜区",
      "municipality_name_en": "Sakura-ku",
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      "votes_change_rate_pct": 81.209354,
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      "vote_share_delta_pct_pt": 15.231122
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112100",
      "municipality_name": "加須市",
      "municipality_name_en": "Kazo-shi",
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      "vote_share_delta_pct_pt": 18.692366
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      "prefecture_name_en": "Saitama",
      "jis_code": "112283",
      "municipality_name": "志木市",
      "municipality_name_en": "Shiki-shi",
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      "vote_share_delta_pct_pt": 15.77052
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112437",
      "municipality_name": "吉川市",
      "municipality_name_en": "Yoshikawa-shi",
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      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112305",
      "municipality_name": "新座市",
      "municipality_name_en": "Niiza-shi",
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      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "111082",
      "municipality_name": "さいたま市南区",
      "municipality_name_en": "Minami-ku",
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      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113018",
      "municipality_name": "伊奈町",
      "municipality_name_en": "Ina-machi",
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      "prefecture_name_en": "Saitama",
      "jis_code": "112399",
      "municipality_name": "坂戸市",
      "municipality_name_en": "Sakado-shi",
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      "prefecture_name": "埼玉県",
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      "jis_code": "112194",
      "municipality_name": "上尾市",
      "municipality_name_en": "Ageo-shi",
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      "prefecture_name_en": "Saitama",
      "jis_code": "112372",
      "municipality_name": "三郷市",
      "municipality_name_en": "Misato-shi",
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      "jis_code": "114650",
      "municipality_name": "松伏町",
      "municipality_name_en": "Matsubushi-machi",
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      "jis_code": "111040",
      "municipality_name": "さいたま市見沼区",
      "municipality_name_en": "Minuma-ku",
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      "prefecture_name_en": "Saitama",
      "jis_code": "113492",
      "municipality_name": "ときがわ町",
      "municipality_name_en": "Tokigawa-machi",
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      "vote_share_delta_pct_pt": 13.104679
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112127",
      "municipality_name": "東松山市",
      "municipality_name_en": "Higashimatsuyama-shi",
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112402",
      "municipality_name": "幸手市",
      "municipality_name_en": "Satte-shi",
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      "prefecture_code": "11",
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      "prefecture_name_en": "Saitama",
      "jis_code": "113425",
      "municipality_name": "嵐山町",
      "municipality_name_en": "Ranzan-machi",
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      "vote_share_delta_pct_pt": 16.22711
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112313",
      "municipality_name": "桶川市",
      "municipality_name_en": "Okegawa-shi",
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      "vote_share_delta_pct_pt": 14.923683
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112461",
      "municipality_name": "白岡市",
      "municipality_name_en": "Shiraoka-shi",
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      "votes_delta": 3567.714,
      "votes_change_rate_pct": 72.687574,
      "baseline_vote_share_pct_muni": 19.722289,
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      "vote_share_delta_pct_pt": 15.459514
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112330",
      "municipality_name": "北本市",
      "municipality_name_en": "Kitamoto-shi",
      "baseline_votes": 6242.49,
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      "votes_delta": 4524.51,
      "votes_change_rate_pct": 72.479251,
      "baseline_vote_share_pct_muni": 19.497423,
      "target_vote_share_pct_muni": 34.053387,
      "vote_share_delta_pct_pt": 14.555964
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112160",
      "municipality_name": "羽生市",
      "municipality_name_en": "Hanyu-shi",
      "baseline_votes": 5228.04,
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      "votes_delta": 3774.96,
      "votes_change_rate_pct": 72.206027,
      "baseline_vote_share_pct_muni": 22.605785,
      "target_vote_share_pct_muni": 40.148948,
      "vote_share_delta_pct_pt": 17.543163
    },
    {
      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
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      "municipality_name": "皆野町",
      "municipality_name_en": "Minano-machi",
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
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      "jis_code": "113654",
      "municipality_name": "小鹿野町",
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "112038",
      "municipality_name": "川口市",
      "municipality_name_en": "Kawaguchi-shi",
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      "prefecture_code": "11",
      "prefecture_name": "埼玉県",
      "prefecture_name_en": "Saitama",
      "jis_code": "113697",
      "municipality_name": "東秩父村",
      "municipality_name_en": "Higashichichibu-mura",
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      "vote_share_delta_pct_pt": 6.128681
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  ]
}
