{
  "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": "20",
    "prefecture_name": "長野県",
    "prefecture_name_en": "Nagano",
    "party_id": "SDP",
    "party_label": "社民",
    "party_label_en": "Social 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": 77,
    "municipality_count": 77,
    "min_votes_change_rate_pct": -33.417085,
    "max_votes_change_rate_pct": 133.333333
  },
  "municipalities": [
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203068",
      "municipality_name": "南相木村",
      "municipality_name_en": "Minamiaiki-mura",
      "baseline_votes": 6.0,
      "target_votes": 14.0,
      "votes_delta": 8.0,
      "votes_change_rate_pct": 133.333333,
      "baseline_vote_share_pct_muni": 1.045296,
      "target_vote_share_pct_muni": 2.527076,
      "vote_share_delta_pct_pt": 1.48178
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204099",
      "municipality_name": "平谷村",
      "municipality_name_en": "Hiraya-mura",
      "baseline_votes": 3.0,
      "target_votes": 5.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 66.666667,
      "baseline_vote_share_pct_muni": 1.181102,
      "target_vote_share_pct_muni": 2.10084,
      "vote_share_delta_pct_pt": 0.919738
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204129",
      "municipality_name": "売木村",
      "municipality_name_en": "Urugi-mura",
      "baseline_votes": 3.0,
      "target_votes": 5.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 66.666667,
      "baseline_vote_share_pct_muni": 1.010101,
      "target_vote_share_pct_muni": 1.730104,
      "vote_share_delta_pct_pt": 0.720003
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204137",
      "municipality_name": "天龍村",
      "municipality_name_en": "Tenryu-mura",
      "baseline_votes": 10.0,
      "target_votes": 14.0,
      "votes_delta": 4.0,
      "votes_change_rate_pct": 40.0,
      "baseline_vote_share_pct_muni": 1.818182,
      "target_vote_share_pct_muni": 2.559415,
      "vote_share_delta_pct_pt": 0.741233
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203505",
      "municipality_name": "長和町",
      "municipality_name_en": "Nagawa-machi",
      "baseline_votes": 61.0,
      "target_votes": 79.0,
      "votes_delta": 18.0,
      "votes_change_rate_pct": 29.508197,
      "baseline_vote_share_pct_muni": 1.958895,
      "target_vote_share_pct_muni": 2.564935,
      "vote_share_delta_pct_pt": 0.60604
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204307",
      "municipality_name": "大桑村",
      "municipality_name_en": "Okuwa-mura",
      "baseline_votes": 46.0,
      "target_votes": 59.0,
      "votes_delta": 13.0,
      "votes_change_rate_pct": 28.26087,
      "baseline_vote_share_pct_muni": 2.324406,
      "target_vote_share_pct_muni": 3.133298,
      "vote_share_delta_pct_pt": 0.808892
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204170",
      "municipality_name": "大鹿村",
      "municipality_name_en": "Oshika-mura",
      "baseline_votes": 11.0,
      "target_votes": 14.0,
      "votes_delta": 3.0,
      "votes_change_rate_pct": 27.272727,
      "baseline_vote_share_pct_muni": 2.123552,
      "target_vote_share_pct_muni": 2.729045,
      "vote_share_delta_pct_pt": 0.605493
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204480",
      "municipality_name": "生坂村",
      "municipality_name_en": "Ikusaka-mura",
      "baseline_votes": 15.0,
      "target_votes": 19.0,
      "votes_delta": 4.0,
      "votes_change_rate_pct": 26.666667,
      "baseline_vote_share_pct_muni": 1.704545,
      "target_vote_share_pct_muni": 2.14447,
      "vote_share_delta_pct_pt": 0.439925
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204250",
      "municipality_name": "木祖村",
      "municipality_name_en": "Kiso-mura",
      "baseline_votes": 50.0,
      "target_votes": 63.0,
      "votes_delta": 13.0,
      "votes_change_rate_pct": 26.0,
      "baseline_vote_share_pct_muni": 3.117207,
      "target_vote_share_pct_muni": 4.069767,
      "vote_share_delta_pct_pt": 0.95256
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204226",
      "municipality_name": "上松町",
      "municipality_name_en": "Agematsu-machi",
      "baseline_votes": 90.0,
      "target_votes": 111.0,
      "votes_delta": 21.0,
      "votes_change_rate_pct": 23.333333,
      "baseline_vote_share_pct_muni": 3.914746,
      "target_vote_share_pct_muni": 5.031732,
      "vote_share_delta_pct_pt": 1.116986
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204110",
      "municipality_name": "下條村",
      "municipality_name_en": "Shimojo-mura",
      "baseline_votes": 48.0,
      "target_votes": 56.0,
      "votes_delta": 8.0,
      "votes_change_rate_pct": 16.666667,
      "baseline_vote_share_pct_muni": 2.594595,
      "target_vote_share_pct_muni": 3.102493,
      "vote_share_delta_pct_pt": 0.507898
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "206024",
      "municipality_name": "栄村",
      "municipality_name_en": "Sakae-mura",
      "baseline_votes": 19.0,
      "target_votes": 21.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 10.526316,
      "baseline_vote_share_pct_muni": 1.87747,
      "target_vote_share_pct_muni": 2.210526,
      "vote_share_delta_pct_pt": 0.333056
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205885",
      "municipality_name": "小川村",
      "municipality_name_en": "Ogawa-mura",
      "baseline_votes": 23.0,
      "target_votes": 25.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 8.695652,
      "baseline_vote_share_pct_muni": 1.671512,
      "target_vote_share_pct_muni": 1.810282,
      "vote_share_delta_pct_pt": 0.13877
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203041",
      "municipality_name": "川上村",
      "municipality_name_en": "Kawakami-mura",
      "baseline_votes": 24.0,
      "target_votes": 26.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 8.333333,
      "baseline_vote_share_pct_muni": 1.472393,
      "target_vote_share_pct_muni": 1.506373,
      "vote_share_delta_pct_pt": 0.03398
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203491",
      "municipality_name": "青木村",
      "municipality_name_en": "Aoki-mura",
      "baseline_votes": 47.0,
      "target_votes": 50.0,
      "votes_delta": 3.0,
      "votes_change_rate_pct": 6.382979,
      "baseline_vote_share_pct_muni": 1.94859,
      "target_vote_share_pct_muni": 2.095557,
      "vote_share_delta_pct_pt": 0.146967
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204048",
      "municipality_name": "阿南町",
      "municipality_name_en": "Anan-cho",
      "baseline_votes": 37.0,
      "target_votes": 39.0,
      "votes_delta": 2.0,
      "votes_change_rate_pct": 5.405405,
      "baseline_vote_share_pct_muni": 1.845387,
      "target_vote_share_pct_muni": 1.937407,
      "vote_share_delta_pct_pt": 0.09202
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204528",
      "municipality_name": "筑北村",
      "municipality_name_en": "Chikuhoku-mura",
      "baseline_votes": 65.0,
      "target_votes": 68.0,
      "votes_delta": 3.0,
      "votes_change_rate_pct": 4.615385,
      "baseline_vote_share_pct_muni": 2.899197,
      "target_vote_share_pct_muni": 2.987698,
      "vote_share_delta_pct_pt": 0.088501
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204293",
      "municipality_name": "王滝村",
      "municipality_name_en": "Otaki-mura",
      "baseline_votes": 13.0,
      "target_votes": 13.0,
      "votes_delta": 0.0,
      "votes_change_rate_pct": 0.0,
      "baseline_vote_share_pct_muni": 3.016241,
      "target_vote_share_pct_muni": 3.266332,
      "vote_share_delta_pct_pt": 0.250091
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203076",
      "municipality_name": "北相木村",
      "municipality_name_en": "Kitaaiki-mura",
      "baseline_votes": 6.0,
      "target_votes": 6.0,
      "votes_delta": 0.0,
      "votes_change_rate_pct": 0.0,
      "baseline_vote_share_pct_muni": 1.608579,
      "target_vote_share_pct_muni": 1.570681,
      "vote_share_delta_pct_pt": -0.037898
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203840",
      "municipality_name": "飯島町",
      "municipality_name_en": "Iijima-machi",
      "baseline_votes": 84.0,
      "target_votes": 82.0,
      "votes_delta": -2.0,
      "votes_change_rate_pct": -2.380952,
      "baseline_vote_share_pct_muni": 1.695942,
      "target_vote_share_pct_muni": 1.654226,
      "vote_share_delta_pct_pt": -0.041716
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205630",
      "municipality_name": "野沢温泉村",
      "municipality_name_en": "Nozawaonsen-mura",
      "baseline_votes": 28.0,
      "target_votes": 27.0,
      "votes_delta": -1.0,
      "votes_change_rate_pct": -3.571429,
      "baseline_vote_share_pct_muni": 1.531729,
      "target_vote_share_pct_muni": 1.6875,
      "vote_share_delta_pct_pt": 0.155771
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202134",
      "municipality_name": "飯山市",
      "municipality_name_en": "Iiyama-shi",
      "baseline_votes": 205.0,
      "target_votes": 196.0,
      "votes_delta": -9.0,
      "votes_change_rate_pct": -4.390244,
      "baseline_vote_share_pct_muni": 2.064035,
      "target_vote_share_pct_muni": 2.081563,
      "vote_share_delta_pct_pt": 0.017528
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204161",
      "municipality_name": "豊丘村",
      "municipality_name_en": "Toyooka-mura",
      "baseline_votes": 95.5,
      "target_votes": 90.0,
      "votes_delta": -5.5,
      "votes_change_rate_pct": -5.759162,
      "baseline_vote_share_pct_muni": 2.751368,
      "target_vote_share_pct_muni": 2.587694,
      "vote_share_delta_pct_pt": -0.163674
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202126",
      "municipality_name": "大町市",
      "municipality_name_en": "Omachi-shi",
      "baseline_votes": 335.0,
      "target_votes": 314.0,
      "votes_delta": -21.0,
      "votes_change_rate_pct": -6.268657,
      "baseline_vote_share_pct_muni": 2.706633,
      "target_vote_share_pct_muni": 2.514011,
      "vote_share_delta_pct_pt": -0.192622
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203629",
      "municipality_name": "富士見町",
      "municipality_name_en": "Fujimi-machi",
      "baseline_votes": 181.0,
      "target_votes": 168.0,
      "votes_delta": -13.0,
      "votes_change_rate_pct": -7.18232,
      "baseline_vote_share_pct_muni": 2.339106,
      "target_vote_share_pct_muni": 2.269044,
      "vote_share_delta_pct_pt": -0.070062
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "203610",
      "municipality_name": "下諏訪町",
      "municipality_name_en": "Shimosuwa-machi",
      "baseline_votes": 162.0,
      "target_votes": 148.0,
      "votes_delta": -14.0,
      "votes_change_rate_pct": -8.641975,
      "baseline_vote_share_pct_muni": 1.71483,
      "target_vote_share_pct_muni": 1.622273,
      "vote_share_delta_pct_pt": -0.092557
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204820",
      "municipality_name": "松川村",
      "municipality_name_en": "Matsukawa-mura",
      "baseline_votes": 117.0,
      "target_votes": 106.0,
      "votes_delta": -11.0,
      "votes_change_rate_pct": -9.401709,
      "baseline_vote_share_pct_muni": 2.323734,
      "target_vote_share_pct_muni": 2.06668,
      "vote_share_delta_pct_pt": -0.257054
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205613",
      "municipality_name": "山ノ内町",
      "municipality_name_en": "Yamanouchi-machi",
      "baseline_votes": 83.0,
      "target_votes": 75.0,
      "votes_delta": -8.0,
      "votes_change_rate_pct": -9.638554,
      "baseline_vote_share_pct_muni": 1.525455,
      "target_vote_share_pct_muni": 1.390692,
      "vote_share_delta_pct_pt": -0.134763
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "205621",
      "municipality_name": "木島平村",
      "municipality_name_en": "Kijimadaira-mura",
      "baseline_votes": 50.0,
      "target_votes": 45.0,
      "votes_delta": -5.0,
      "votes_change_rate_pct": -10.0,
      "baseline_vote_share_pct_muni": 2.206531,
      "target_vote_share_pct_muni": 1.968504,
      "vote_share_delta_pct_pt": -0.238027
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202045",
      "municipality_name": "岡谷市",
      "municipality_name_en": "Okaya-shi",
      "baseline_votes": 447.0,
      "target_votes": 402.0,
      "votes_delta": -45.0,
      "votes_change_rate_pct": -10.067114,
      "baseline_vote_share_pct_muni": 1.870136,
      "target_vote_share_pct_muni": 1.790726,
      "vote_share_delta_pct_pt": -0.07941
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204072",
      "municipality_name": "阿智村",
      "municipality_name_en": "Achi-mura",
      "baseline_votes": 60.5,
      "target_votes": 54.0,
      "votes_delta": -6.5,
      "votes_change_rate_pct": -10.743802,
      "baseline_vote_share_pct_muni": 1.936,
      "target_vote_share_pct_muni": 1.69279,
      "vote_share_delta_pct_pt": -0.24321
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "202096",
      "municipality_name": "伊那市",
      "municipality_name_en": "Ina-shi",
      "baseline_votes": 719.0,
      "target_votes": 641.0,
      "votes_delta": -78.0,
      "votes_change_rate_pct": -10.848401,
      "baseline_vote_share_pct_muni": 2.157345,
      "target_vote_share_pct_muni": 1.9014,
      "vote_share_delta_pct_pt": -0.255945
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204323",
      "municipality_name": "木曽町",
      "municipality_name_en": "Kiso-machi",
      "baseline_votes": 238.0,
      "target_votes": 210.0,
      "votes_delta": -28.0,
      "votes_change_rate_pct": -11.764706,
      "baseline_vote_share_pct_muni": 3.963364,
      "target_vote_share_pct_muni": 3.604531,
      "vote_share_delta_pct_pt": -0.358833
    },
    {
      "prefecture_code": "20",
      "prefecture_name": "長野県",
      "prefecture_name_en": "Nagano",
      "jis_code": "204854",
      "municipality_name": "白馬村",
      "municipality_name_en": "Hakuba-mura",
      "baseline_votes": 82.0,
      "target_votes": 71.0,
      "votes_delta": -11.0,
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  ]
}
