{ "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": "JHP", "party_label": "保守", "party_label_en": "Japan Conservative Party", "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": -21.33758, "max_votes_change_rate_pct": 150.0 }, "municipalities": [ { "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", "baseline_votes": 2.0, "target_votes": 5.0, "votes_delta": 3.0, "votes_change_rate_pct": 150.0, "baseline_vote_share_pct_muni": 0.793651, "target_vote_share_pct_muni": 1.992032, "vote_share_delta_pct_pt": 1.198381 }, { "prefecture_code": "32", "prefecture_name": "島根県", "prefecture_name_en": "Shimane", "jis_code": "325279", "municipality_name": "知夫村", "municipality_name_en": "Chibu-mura", "baseline_votes": 3.0, "target_votes": 6.0, "votes_delta": 3.0, "votes_change_rate_pct": 100.0, "baseline_vote_share_pct_muni": 0.78125, "target_vote_share_pct_muni": 1.704545, "vote_share_delta_pct_pt": 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