{ "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": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "party_id": "ISH", "party_label": "維新", "party_label_en": "Japan Innovation Party (Ishin)", "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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"33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "332070", "municipality_name": "井原市", "municipality_name_en": "Ibara-shi", "baseline_votes": 665.0, "target_votes": 1028.0, "votes_delta": 363.0, "votes_change_rate_pct": 54.586466, "baseline_vote_share_pct_muni": 4.291984, "target_vote_share_pct_muni": 6.328101, "vote_share_delta_pct_pt": 2.036117 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "336637", "municipality_name": "久米南町", "municipality_name_en": "Kumenan-cho", "baseline_votes": 79.0, "target_votes": 118.0, "votes_delta": 39.0, "votes_change_rate_pct": 49.367089, "baseline_vote_share_pct_muni": 3.747628, "target_vote_share_pct_muni": 5.792833, "vote_share_delta_pct_pt": 2.045205 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "336661", "municipality_name": "美咲町", "municipality_name_en": "Misaki-cho", "baseline_votes": 225.0, "target_votes": 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"Okayama", "jis_code": "336432", "municipality_name": "西粟倉村", "municipality_name_en": "Nishiawakura-son", "baseline_votes": 30.0, "target_votes": 36.0, "votes_delta": 6.0, "votes_change_rate_pct": 20.0, "baseline_vote_share_pct_muni": 4.0, "target_vote_share_pct_muni": 5.164993, "vote_share_delta_pct_pt": 1.164993 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "333468", "municipality_name": "和気町", "municipality_name_en": "Wake-cho", "baseline_votes": 340.0, "target_votes": 407.0, "votes_delta": 67.0, "votes_change_rate_pct": 19.705882, "baseline_vote_share_pct_muni": 5.319981, "target_vote_share_pct_muni": 6.272153, "vote_share_delta_pct_pt": 0.952172 } ] }