{ "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": "REI", "party_label": "れいわ", "party_label_en": "Reiwa Shinsengumi", "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": -30.229226, "max_votes_change_rate_pct": 25.0 }, "municipalities": [ { "prefecture_code": "19", "prefecture_name": "山梨県", "prefecture_name_en": "Yamanashi", "jis_code": "194433", "municipality_name": "丹波山村", "municipality_name_en": "Tabayama-mura", "baseline_votes": 16.0, "target_votes": 20.0, "votes_delta": 4.0, "votes_change_rate_pct": 25.0, "baseline_vote_share_pct_muni": 4.597701, "target_vote_share_pct_muni": 5.952381, "vote_share_delta_pct_pt": 1.35468 }, { "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": 26.0, "target_votes": 30.0, "votes_delta": 4.0, "votes_change_rate_pct": 15.384615, "baseline_vote_share_pct_muni": 4.529617, "target_vote_share_pct_muni": 5.415162, 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