{ "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": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "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": { 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"prefecture_code": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "jis_code": "104213", "municipality_name": "中之条町", "municipality_name_en": "Nakanojo-machi", "baseline_votes": 456.0, "target_votes": 433.0, "votes_delta": -23.0, "votes_change_rate_pct": -5.04386, "baseline_vote_share_pct_muni": 5.74452, "target_vote_share_pct_muni": 5.335798, "vote_share_delta_pct_pt": -0.408722 }, { "prefecture_code": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "jis_code": "104280", "municipality_name": "高山村", "municipality_name_en": "Takayama-mura", "baseline_votes": 70.016, "target_votes": 66.0, "votes_delta": -4.016, "votes_change_rate_pct": -5.735832, "baseline_vote_share_pct_muni": 4.230574, "target_vote_share_pct_muni": 3.961585, "vote_share_delta_pct_pt": -0.268989 }, { "prefecture_code": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "jis_code": "104299", "municipality_name": "東吾妻町", "municipality_name_en": "Higashiagatsuma-machi", 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"105236", "municipality_name": "千代田町", "municipality_name_en": "Chiyoda-machi", "baseline_votes": 162.0, "target_votes": 126.0, "votes_delta": -36.0, "votes_change_rate_pct": -22.222222, "baseline_vote_share_pct_muni": 3.375703, "target_vote_share_pct_muni": 2.558376, "vote_share_delta_pct_pt": -0.817327 }, { "prefecture_code": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "jis_code": "102032", "municipality_name": "桐生市", "municipality_name_en": "Kiryu-shi", "baseline_votes": 2859.583, "target_votes": 2203.0, "votes_delta": -656.583, "votes_change_rate_pct": -22.960795, "baseline_vote_share_pct_muni": 6.382428, "target_vote_share_pct_muni": 5.130295, "vote_share_delta_pct_pt": -1.252133 }, { "prefecture_code": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "jis_code": "105210", "municipality_name": "板倉町", "municipality_name_en": "Itakura-machi", "baseline_votes": 278.0, "target_votes": 206.0, "votes_delta": -72.0, "votes_change_rate_pct": -25.899281, "baseline_vote_share_pct_muni": 4.263804, "target_vote_share_pct_muni": 3.151775, "vote_share_delta_pct_pt": -1.112029 }, { "prefecture_code": "10", "prefecture_name": "群馬県", "prefecture_name_en": "Gunma", "jis_code": "102024", "municipality_name": "高崎市", "municipality_name_en": "Takasaki-shi", "baseline_votes": 8411.714, "target_votes": 6094.0, "votes_delta": -2317.714, "votes_change_rate_pct": -27.553409, "baseline_vote_share_pct_muni": 4.870709, "target_vote_share_pct_muni": 4.652477, "vote_share_delta_pct_pt": -0.218232 } ] }