{ "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": "SDP", "party_label": "社民", "party_label_en": "Social Democratic 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": { 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"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": 207.0, "target_votes": 209.0, "votes_delta": 2.0, "votes_change_rate_pct": 0.966184, "baseline_vote_share_pct_muni": 1.830724, "target_vote_share_pct_muni": 1.691075, "vote_share_delta_pct_pt": -0.139649 }, { "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": 231.0, "target_votes": 217.0, "votes_delta": -14.0, "votes_change_rate_pct": -6.060606, "baseline_vote_share_pct_muni": 2.085967, "target_vote_share_pct_muni": 1.775196, "vote_share_delta_pct_pt": -0.310771 }, { "prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "092100", "municipality_name": "大田原市", "municipality_name_en": "Ohtawara-shi", "baseline_votes": 510.0, 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"prefecture_code": "09", "prefecture_name": "栃木県", "prefecture_name_en": "Tochigi", "jis_code": "093017", "municipality_name": "上三川町", "municipality_name_en": "Kaminokawa-machi", "baseline_votes": 240.0, "target_votes": 123.0, "votes_delta": -117.0, "votes_change_rate_pct": -48.75, "baseline_vote_share_pct_muni": 1.745328, "target_vote_share_pct_muni": 0.978442, "vote_share_delta_pct_pt": -0.766886 } ] }