{ "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": "15", "prefecture_name": "新潟県", "prefecture_name_en": "Niigata", "party_id": "JCP", "party_label": "共産", "party_label_en": "Japanese Communist Party", "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": 38, "municipality_count": 38, "min_votes_change_rate_pct": -66.666667, "max_votes_change_rate_pct": 13.891286 }, "municipalities": [ { "prefecture_code": "15", "prefecture_name": "新潟県", "prefecture_name_en": "Niigata", "jis_code": "151041", "municipality_name": "新潟市江南区", "municipality_name_en": "Konan-ku", "baseline_votes": 1159.0, "target_votes": 1320.0, "votes_delta": 161.0, "votes_change_rate_pct": 13.891286, "baseline_vote_share_pct_muni": 3.691553, "target_vote_share_pct_muni": 4.3222, "vote_share_delta_pct_pt": 0.630647 }, { "prefecture_code": "15", "prefecture_name": "新潟県", "prefecture_name_en": "Niigata", "jis_code": "151084", "municipality_name": "新潟市西蒲区", "municipality_name_en": "Nishikan-ku", "baseline_votes": 776.0, "target_votes": 868.0, "votes_delta": 92.0, "votes_change_rate_pct": 11.85567, "baseline_vote_share_pct_muni": 3.045048, "target_vote_share_pct_muni": 3.370481, "vote_share_delta_pct_pt": 0.325433 }, { 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"prefecture_name": "新潟県", "prefecture_name_en": "Niigata", "jis_code": "152102", "municipality_name": "十日町市", "municipality_name_en": "Tokamachi-shi", "baseline_votes": 1328.0, "target_votes": 1193.0, "votes_delta": -135.0, "votes_change_rate_pct": -10.165663, "baseline_vote_share_pct_muni": 5.138921, "target_vote_share_pct_muni": 4.860064, "vote_share_delta_pct_pt": -0.278857 }, { "prefecture_code": "15", "prefecture_name": "新潟県", "prefecture_name_en": "Niigata", "jis_code": "153079", "municipality_name": "聖籠町", "municipality_name_en": "Seiro-machi", "baseline_votes": 186.0, "target_votes": 167.0, "votes_delta": -19.0, "votes_change_rate_pct": -10.215054, "baseline_vote_share_pct_muni": 2.821602, "target_vote_share_pct_muni": 2.572397, "vote_share_delta_pct_pt": -0.249205 }, { "prefecture_code": "15", "prefecture_name": "新潟県", "prefecture_name_en": "Niigata", "jis_code": "153427", "municipality_name": "弥彦村", "municipality_name_en": "Yahiko-mura", "baseline_votes": 116.0, 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