{ "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": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "party_id": "REI", "party_label": "れいわ", "party_label_en": "Reiwa Shinsengumi", "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": 25, "municipality_count": 25, "min_votes_change_rate_pct": -64.787234, "max_votes_change_rate_pct": -43.943299 }, "municipalities": [ { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092150", "municipality_name": "那須烏山市", "municipality_name_en": "Nasukarasuyama-shi", "baseline_votes": 776.0, "target_votes": 435.0, "votes_delta": -341.0, "votes_change_rate_pct": -43.943299, "baseline_vote_share_pct_muni": 7.007405, "target_vote_share_pct_muni": 3.558573, "vote_share_delta_pct_pt": -3.448832 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "094110", "municipality_name": "那珂川町", "municipality_name_en": "Nakagawa-machi", "baseline_votes": 459.0, "target_votes": 248.0, "votes_delta": -211.0, "votes_change_rate_pct": -45.969499, "baseline_vote_share_pct_muni": 6.950333, "target_vote_share_pct_muni": 3.324842, "vote_share_delta_pct_pt": -3.625491 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092134", "municipality_name": "那須塩原市", "municipality_name_en": "Nasushiobara-shi", "baseline_votes": 3880.0, "target_votes": 2089.0, "votes_delta": -1791.0, "votes_change_rate_pct": -46.159794, "baseline_vote_share_pct_muni": 8.079294, "target_vote_share_pct_muni": 4.003296, "vote_share_delta_pct_pt": -4.075998 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093424", "municipality_name": "益子町", "municipality_name_en": "Mashiko-machi", "baseline_votes": 829.0, "target_votes": 420.0, "votes_delta": -409.0, "votes_change_rate_pct": -49.33655, "baseline_vote_share_pct_muni": 8.125061, "target_vote_share_pct_muni": 4.017985, "vote_share_delta_pct_pt": -4.107076 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092100", "municipality_name": "大田原市", "municipality_name_en": "Ohtawara-shi", "baseline_votes": 2244.0, "target_votes": 1136.0, "votes_delta": -1108.0, "votes_change_rate_pct": -49.376114, "baseline_vote_share_pct_muni": 7.767662, "target_vote_share_pct_muni": 3.570531, "vote_share_delta_pct_pt": -4.197131 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "094072", "municipality_name": "那須町", "municipality_name_en": "Nasu-machi", "baseline_votes": 927.0, "target_votes": 465.0, "votes_delta": -462.0, "votes_change_rate_pct": -49.838188, "baseline_vote_share_pct_muni": 8.198461, "target_vote_share_pct_muni": 3.76244, "vote_share_delta_pct_pt": -4.436021 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093840", "municipality_name": "塩谷町", "municipality_name_en": "Shioya-machi", "baseline_votes": 302.0, "target_votes": 149.0, "votes_delta": -153.0, "votes_change_rate_pct": -50.662252, "baseline_vote_share_pct_muni": 6.928195, "target_vote_share_pct_muni": 3.319225, "vote_share_delta_pct_pt": -3.60897 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092118", "municipality_name": "矢板市", "municipality_name_en": "Yaita-shi", "baseline_votes": 1046.0, "target_votes": 501.0, "votes_delta": -545.0, "votes_change_rate_pct": -52.10325, "baseline_vote_share_pct_muni": 7.678191, "target_vote_share_pct_muni": 3.438336, "vote_share_delta_pct_pt": -4.239855 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093432", "municipality_name": "茂木町", "municipality_name_en": "Motegi-machi", "baseline_votes": 355.0, "target_votes": 160.0, "votes_delta": -195.0, "votes_change_rate_pct": -54.929577, "baseline_vote_share_pct_muni": 5.987519, "target_vote_share_pct_muni": 2.689076, "vote_share_delta_pct_pt": -3.298443 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092061", "municipality_name": "日光市", "municipality_name_en": "Nikko-shi", "baseline_votes": 2262.0, "target_votes": 1013.0, "votes_delta": -1249.0, "votes_change_rate_pct": -55.216622, "baseline_vote_share_pct_muni": 6.864114, "target_vote_share_pct_muni": 3.008345, "vote_share_delta_pct_pt": -3.855769 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093440", "municipality_name": "市貝町", "municipality_name_en": "Ichikai-machi", "baseline_votes": 421.0, "target_votes": 185.0, "votes_delta": -236.0, "votes_change_rate_pct": -56.057007, "baseline_vote_share_pct_muni": 7.962928, "target_vote_share_pct_muni": 3.45407, "vote_share_delta_pct_pt": -4.508858 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092045", "municipality_name": "佐野市", "municipality_name_en": "Sano-shi", "baseline_votes": 3758.0, "target_votes": 1586.0, "votes_delta": -2172.0, "votes_change_rate_pct": -57.7967, "baseline_vote_share_pct_muni": 7.945704, "target_vote_share_pct_muni": 3.397091, "vote_share_delta_pct_pt": -4.548613 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092096", "municipality_name": "真岡市", "municipality_name_en": "Moka-shi", "baseline_votes": 2450.775, "target_votes": 1009.0, "votes_delta": -1441.775, "votes_change_rate_pct": -58.82935, "baseline_vote_share_pct_muni": 7.70684, "target_vote_share_pct_muni": 3.021049, "vote_share_delta_pct_pt": -4.685791 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092029", "municipality_name": "足利市", "municipality_name_en": "Ashikaga-shi", "baseline_votes": 4862.972, "target_votes": 2000.0, "votes_delta": -2862.972, "votes_change_rate_pct": -58.872887, "baseline_vote_share_pct_muni": 8.647743, "target_vote_share_pct_muni": 3.57009, "vote_share_delta_pct_pt": -5.077653 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093610", "municipality_name": "壬生町", "municipality_name_en": "Mibu-machi", "baseline_votes": 1180.966, "target_votes": 485.0, "votes_delta": -695.966, "votes_change_rate_pct": -58.931925, "baseline_vote_share_pct_muni": 6.975994, "target_vote_share_pct_muni": 2.9268, "vote_share_delta_pct_pt": -4.049194 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092037", "municipality_name": "栃木市", "municipality_name_en": "Tochigi-shi", "baseline_votes": 5337.272, "target_votes": 2184.0, "votes_delta": -3153.272, "votes_change_rate_pct": -59.080219, "baseline_vote_share_pct_muni": 8.083469, "target_vote_share_pct_muni": 3.479535, "vote_share_delta_pct_pt": -4.603934 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093645", "municipality_name": "野木町", "municipality_name_en": "Nogi-machi", "baseline_votes": 861.0, "target_votes": 352.0, "votes_delta": -509.0, "votes_change_rate_pct": -59.117305, "baseline_vote_share_pct_muni": 7.414105, "target_vote_share_pct_muni": 3.11064, "vote_share_delta_pct_pt": -4.303465 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092169", "municipality_name": "下野市", "municipality_name_en": "Shimotsuke-shi", "baseline_votes": 1793.204, "target_votes": 731.0, "votes_delta": -1062.204, "votes_change_rate_pct": -59.234978, "baseline_vote_share_pct_muni": 6.533095, "target_vote_share_pct_muni": 2.752674, "vote_share_delta_pct_pt": -3.780421 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092053", "municipality_name": "鹿沼市", "municipality_name_en": "Kanuma-shi", "baseline_votes": 3059.908, "target_votes": 1238.0, "votes_delta": -1821.908, "votes_change_rate_pct": -59.541267, "baseline_vote_share_pct_muni": 7.583039, "target_vote_share_pct_muni": 3.140697, "vote_share_delta_pct_pt": -4.442342 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093459", "municipality_name": "芳賀町", "municipality_name_en": "Haga-machi", "baseline_votes": 507.0, "target_votes": 200.0, "votes_delta": -307.0, "votes_change_rate_pct": -60.552268, "baseline_vote_share_pct_muni": 6.874576, "target_vote_share_pct_muni": 2.719608, "vote_share_delta_pct_pt": -4.154968 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092142", "municipality_name": "さくら市", "municipality_name_en": "Sakura-shi", "baseline_votes": 1380.975, "target_votes": 543.0, "votes_delta": -837.975, "votes_change_rate_pct": -60.679954, "baseline_vote_share_pct_muni": 7.35226, "target_vote_share_pct_muni": 2.894919, "vote_share_delta_pct_pt": -4.457341 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092088", "municipality_name": "小山市", "municipality_name_en": "Oyama-shi", "baseline_votes": 5405.466, "target_votes": 2100.0, "votes_delta": -3305.466, "votes_change_rate_pct": -61.150436, "baseline_vote_share_pct_muni": 7.592053, "target_vote_share_pct_muni": 2.9935, "vote_share_delta_pct_pt": -4.598553 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092010", "municipality_name": "宇都宮市", "municipality_name_en": "Utsunomiya-shi", "baseline_votes": 15697.776, "target_votes": 5728.0, "votes_delta": -9969.776, "votes_change_rate_pct": -63.510755, "baseline_vote_share_pct_muni": 6.909628, "target_vote_share_pct_muni": 2.876441, "vote_share_delta_pct_pt": -4.033187 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093017", "municipality_name": "上三川町", "municipality_name_en": "Kaminokawa-machi", "baseline_votes": 1061.0, "target_votes": 380.0, "votes_delta": -681.0, "votes_change_rate_pct": -64.184731, "baseline_vote_share_pct_muni": 7.715802, "target_vote_share_pct_muni": 3.02283, "vote_share_delta_pct_pt": -4.692972 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093866", "municipality_name": "高根沢町", "municipality_name_en": "Takanezawa-machi", "baseline_votes": 940.0, "target_votes": 331.0, "votes_delta": -609.0, "votes_change_rate_pct": -64.787234, "baseline_vote_share_pct_muni": 6.596491, "target_vote_share_pct_muni": 2.560136, "vote_share_delta_pct_pt": -4.036355 } ] }