{ "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": "SAN", "party_label": "参政", "party_label_en": "Sanseito", "scope": "nationwide-ranking", "ranking_id": "top50", "ranking_label": "全国 Top 50", "ranking_label_en": "National Top 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": -13.513514, "max_votes_change_rate_pct": 100.0 }, "municipalities": [ { "prefecture_code": "13", "prefecture_name": "東京都", "prefecture_name_en": "Tokyo", "jis_code": "134023", "municipality_name": "青ヶ島村", "municipality_name_en": "Aogashima-mura", "baseline_votes": 3.0, "target_votes": 6.0, "votes_delta": 3.0, "votes_change_rate_pct": 100.0, "baseline_vote_share_pct_muni": 2.702703, "target_vote_share_pct_muni": 5.263158, "vote_share_delta_pct_pt": 2.560455 }, { "prefecture_code": "46", "prefecture_name": "鹿児島県", "prefecture_name_en": "Kagoshima", "jis_code": "465305", "municipality_name": "徳之島町", "municipality_name_en": "Tokunoshima-cho", "baseline_votes": 602.808, "target_votes": 867.0, "votes_delta": 264.192, "votes_change_rate_pct": 43.82689, "baseline_vote_share_pct_muni": 12.446996, "target_vote_share_pct_muni": 16.980024, "vote_share_delta_pct_pt": 4.533028 }, { "prefecture_code": "46", "prefecture_name": "鹿児島県", "prefecture_name_en": "Kagoshima", "jis_code": "465321", "municipality_name": "伊仙町", "municipality_name_en": "Isen-cho", "baseline_votes": 373.0, "target_votes": 501.0, "votes_delta": 128.0, "votes_change_rate_pct": 34.316354, "baseline_vote_share_pct_muni": 12.875388, "target_vote_share_pct_muni": 16.948579, "vote_share_delta_pct_pt": 4.073191 }, { "prefecture_code": "01", "prefecture_name": "北海道", "prefecture_name_en": "Hokkaido", "jis_code": "014702", "municipality_name": "音威子府村", "municipality_name_en": "Otoineppu-mura", "baseline_votes": 13.0, "target_votes": 17.0, "votes_delta": 4.0, "votes_change_rate_pct": 30.769231, "baseline_vote_share_pct_muni": 3.571429, "target_vote_share_pct_muni": 4.775281, "vote_share_delta_pct_pt": 1.203852 }, { "prefecture_code": "39", "prefecture_name": "高知県", "prefecture_name_en": "Kochi", "jis_code": "393053", "municipality_name": "北川村", "municipality_name_en": "Kitagawa-mura", "baseline_votes": 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0.441297 }, { "prefecture_code": "46", "prefecture_name": "鹿児島県", "prefecture_name_en": "Kagoshima", "jis_code": "465313", "municipality_name": "天城町", "municipality_name_en": "Amagi-cho", "baseline_votes": 402.0, "target_votes": 430.0, "votes_delta": 28.0, "votes_change_rate_pct": 6.965174, "baseline_vote_share_pct_muni": 14.372542, "target_vote_share_pct_muni": 14.848066, "vote_share_delta_pct_pt": 0.475524 }, { "prefecture_code": "39", "prefecture_name": "高知県", "prefecture_name_en": "Kochi", "jis_code": "393061", "municipality_name": "馬路村", "municipality_name_en": "Umaji-mura", "baseline_votes": 31.0, "target_votes": 33.0, "votes_delta": 2.0, "votes_change_rate_pct": 6.451613, "baseline_vote_share_pct_muni": 6.623932, "target_vote_share_pct_muni": 7.551487, "vote_share_delta_pct_pt": 0.927555 }, { "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": 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"prefecture_name_en": "Gunma", "jis_code": "103667", "municipality_name": "上野村", "municipality_name_en": "Ueno-mura", "baseline_votes": 62.0, "target_votes": 58.0, "votes_delta": -4.0, "votes_change_rate_pct": -6.451613, "baseline_vote_share_pct_muni": 9.567901, "target_vote_share_pct_muni": 8.964451, "vote_share_delta_pct_pt": -0.60345 }, { "prefecture_code": "13", "prefecture_name": "東京都", "prefecture_name_en": "Tokyo", "jis_code": "133078", "municipality_name": "檜原村", "municipality_name_en": "Hinohara-mura", "baseline_votes": 56.0, "target_votes": 52.0, "votes_delta": -4.0, "votes_change_rate_pct": -7.142857, "baseline_vote_share_pct_muni": 5.293006, "target_vote_share_pct_muni": 5.014465, "vote_share_delta_pct_pt": -0.278541 }, { "prefecture_code": "32", "prefecture_name": "島根県", "prefecture_name_en": "Shimane", "jis_code": "324418", "municipality_name": "川本町", "municipality_name_en": "Kawamoto-machi", "baseline_votes": 139.0, "target_votes": 129.0, "votes_delta": -10.0, 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"prefecture_name": "高知県", "prefecture_name_en": "Kochi", "jis_code": "393010", "municipality_name": "東洋町", "municipality_name_en": "Toyo-cho", "baseline_votes": 79.0, "target_votes": 72.0, "votes_delta": -7.0, "votes_change_rate_pct": -8.860759, "baseline_vote_share_pct_muni": 8.350951, "target_vote_share_pct_muni": 7.659574, "vote_share_delta_pct_pt": -0.691377 }, { "prefecture_code": "01", "prefecture_name": "北海道", "prefecture_name_en": "Hokkaido", "jis_code": "013986", "municipality_name": "喜茂別町", "municipality_name_en": "Kimobetsu-cho", "baseline_votes": 78.0, "target_votes": 71.0, "votes_delta": -7.0, "votes_change_rate_pct": -8.974359, "baseline_vote_share_pct_muni": 7.337723, "target_vote_share_pct_muni": 7.085828, "vote_share_delta_pct_pt": -0.251895 }, { "prefecture_code": "20", "prefecture_name": "長野県", "prefecture_name_en": "Nagano", "jis_code": "203033", "municipality_name": "小海町", "municipality_name_en": "Koumi-machi", "baseline_votes": 237.0, "target_votes": 215.0, 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"prefecture_code": "36", "prefecture_name": "徳島県", "prefecture_name_en": "Tokushima", "jis_code": "363022", "municipality_name": "上勝町", "municipality_name_en": "Kamikatsu-cho", "baseline_votes": 58.0, "target_votes": 52.0, "votes_delta": -6.0, "votes_change_rate_pct": -10.344828, "baseline_vote_share_pct_muni": 8.180536, "target_vote_share_pct_muni": 7.094134, "vote_share_delta_pct_pt": -1.086402 }, { "prefecture_code": "20", "prefecture_name": "長野県", "prefecture_name_en": "Nagano", "jis_code": "205907", "municipality_name": "飯綱町", "municipality_name_en": "Iizuna-machi", "baseline_votes": 455.0, "target_votes": 407.0, "votes_delta": -48.0, "votes_change_rate_pct": -10.549451, "baseline_vote_share_pct_muni": 8.298377, "target_vote_share_pct_muni": 7.450119, "vote_share_delta_pct_pt": -0.848258 }, { "prefecture_code": "30", "prefecture_name": "和歌山県", "prefecture_name_en": "Wakayama", "jis_code": "304271", "municipality_name": "北山村", "municipality_name_en": "Kitayama-mura", 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