{ "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": "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": "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": -28.082814, "max_votes_change_rate_pct": -6.692411 }, "municipalities": [ { "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": 17769.187, "target_votes": 16580.0, "votes_delta": -1189.187, "votes_change_rate_pct": -6.692411, "baseline_vote_share_pct_muni": 24.957074, "target_vote_share_pct_muni": 23.634394, "vote_share_delta_pct_pt": -1.32268 }, { "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": 1119.437, "target_votes": 1044.0, "votes_delta": -75.437, "votes_change_rate_pct": -6.738834, "baseline_vote_share_pct_muni": 25.68105, "target_vote_share_pct_muni": 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"baseline_vote_share_pct_muni": 26.722641, "target_vote_share_pct_muni": 23.655713, "vote_share_delta_pct_pt": -3.066928 }, { "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": 1783.01, "target_votes": 1596.0, "votes_delta": -187.01, "votes_change_rate_pct": -10.488444, "baseline_vote_share_pct_muni": 24.176407, "target_vote_share_pct_muni": 21.702474, "vote_share_delta_pct_pt": -2.473933 }, { "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": 2913.681, "target_votes": 2587.0, "votes_delta": -326.681, "votes_change_rate_pct": -11.211969, "baseline_vote_share_pct_muni": 26.311008, "target_vote_share_pct_muni": 21.163285, "vote_share_delta_pct_pt": -5.147723 }, { "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": 3464.017, "target_votes": 3071.0, "votes_delta": -393.017, "votes_change_rate_pct": -11.345701, "baseline_vote_share_pct_muni": 25.42771, "target_vote_share_pct_muni": 21.07611, "vote_share_delta_pct_pt": -4.3516 }, { "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": 2982.236, "target_votes": 2623.0, "votes_delta": -359.236, "votes_change_rate_pct": -12.045861, "baseline_vote_share_pct_muni": 26.37513, "target_vote_share_pct_muni": 21.2234, "vote_share_delta_pct_pt": -5.15173 }, { "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": 6330.275, 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"vote_share_delta_pct_pt": -5.264014 }, { "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": 11855.214, "target_votes": 10113.0, "votes_delta": -1742.214, "votes_change_rate_pct": -14.695762, "baseline_vote_share_pct_muni": 24.686019, "target_vote_share_pct_muni": 19.380246, "vote_share_delta_pct_pt": -5.305773 }, { "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": 1754.363, "target_votes": 1476.0, "votes_delta": -278.363, "votes_change_rate_pct": -15.866899, "baseline_vote_share_pct_muni": 26.565157, "target_vote_share_pct_muni": 19.788175, "vote_share_delta_pct_pt": -6.776982 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092142", 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"prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092045", "municipality_name": "佐野市", "municipality_name_en": "Sano-shi", "baseline_votes": 11551.395, "target_votes": 8794.0, "votes_delta": -2757.395, "votes_change_rate_pct": -23.870667, "baseline_vote_share_pct_muni": 24.423619, "target_vote_share_pct_muni": 18.836079, "vote_share_delta_pct_pt": -5.58754 }, { "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": 3176.032, "target_votes": 2394.0, "votes_delta": -782.032, "votes_change_rate_pct": -24.622926, "baseline_vote_share_pct_muni": 22.287944, "target_vote_share_pct_muni": 18.516513, "vote_share_delta_pct_pt": -3.771431 }, { "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": 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