{ "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": "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": { "point_grain": "municipality", "point_count": 31, "municipality_count": 31, "min_votes_change_rate_pct": -63.71308, "max_votes_change_rate_pct": 125.0 }, "municipalities": [ { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "335860", "municipality_name": "新庄村", "municipality_name_en": "Shinjo-son", "baseline_votes": 4.0, "target_votes": 9.0, "votes_delta": 5.0, "votes_change_rate_pct": 125.0, "baseline_vote_share_pct_muni": 0.875274, "target_vote_share_pct_muni": 1.978022, "vote_share_delta_pct_pt": 1.102748 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "336068", "municipality_name": "鏡野町", "municipality_name_en": "Kagamino-cho", "baseline_votes": 82.0, "target_votes": 83.0, "votes_delta": 1.0, "votes_change_rate_pct": 1.219512, "baseline_vote_share_pct_muni": 1.398601, "target_vote_share_pct_muni": 1.495226, "vote_share_delta_pct_pt": 0.096625 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "332100", "municipality_name": "新見市", "municipality_name_en": "Niimi-shi", "baseline_votes": 170.0, "target_votes": 170.0, "votes_delta": 0.0, "votes_change_rate_pct": 0.0, "baseline_vote_share_pct_muni": 1.343661, "target_vote_share_pct_muni": 1.344511, "vote_share_delta_pct_pt": 0.00085 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "332038", "municipality_name": "津山市", "municipality_name_en": "Tsuyama-shi", "baseline_votes": 637.0, "target_votes": 610.0, "votes_delta": -27.0, "votes_change_rate_pct": -4.238619, "baseline_vote_share_pct_muni": 1.554834, "target_vote_share_pct_muni": 1.346103, "vote_share_delta_pct_pt": -0.208731 }, { "prefecture_code": "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": 206.0, "target_votes": 191.0, 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"33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "336238", "municipality_name": "奈義町", "municipality_name_en": "Nagi-cho", "baseline_votes": 40.0, "target_votes": 33.0, "votes_delta": -7.0, "votes_change_rate_pct": -17.5, "baseline_vote_share_pct_muni": 1.387925, "target_vote_share_pct_muni": 1.182372, "vote_share_delta_pct_pt": -0.205553 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "332054", "municipality_name": "笠岡市", "municipality_name_en": "Kasaoka-shi", "baseline_votes": 304.0, "target_votes": 249.0, "votes_delta": -55.0, "votes_change_rate_pct": -18.092105, "baseline_vote_share_pct_muni": 1.508311, "target_vote_share_pct_muni": 1.257512, "vote_share_delta_pct_pt": -0.250799 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "336220", "municipality_name": "勝央町", "municipality_name_en": "Shoo-cho", "baseline_votes": 80.0, "target_votes": 65.0, 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"331007", "municipality_name": "岡山市", "municipality_name_en": "Okayama-shi", "baseline_votes": 5106.884, "target_votes": 3109.0, "votes_delta": -1997.884, "votes_change_rate_pct": -39.12139, "baseline_vote_share_pct_muni": 1.648275, "target_vote_share_pct_muni": 1.052012, "vote_share_delta_pct_pt": -0.596263 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "332119", "municipality_name": "備前市", "municipality_name_en": "Bizen-shi", "baseline_votes": 288.0, "target_votes": 175.0, "votes_delta": -113.0, "votes_change_rate_pct": -39.236111, "baseline_vote_share_pct_muni": 1.977071, "target_vote_share_pct_muni": 1.186682, "vote_share_delta_pct_pt": -0.790389 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "331015", "municipality_name": "岡山市北区", "municipality_name_en": "Kita-ku", "baseline_votes": 2345.036, "target_votes": 1397.0, "votes_delta": -948.036, "votes_change_rate_pct": 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"prefecture_name_en": "Okayama", "jis_code": "336815", "municipality_name": "吉備中央町", "municipality_name_en": "Kibichuo-cho", "baseline_votes": 88.0, "target_votes": 49.0, "votes_delta": -39.0, "votes_change_rate_pct": -44.318182, "baseline_vote_share_pct_muni": 1.861252, "target_vote_share_pct_muni": 1.026393, "vote_share_delta_pct_pt": -0.834859 }, { "prefecture_code": "33", "prefecture_name": "岡山県", "prefecture_name_en": "Okayama", "jis_code": "332097", "municipality_name": "高梁市", "municipality_name_en": "Takahashi-shi", "baseline_votes": 474.0, "target_votes": 172.0, "votes_delta": -302.0, "votes_change_rate_pct": -63.71308, "baseline_vote_share_pct_muni": 3.883654, "target_vote_share_pct_muni": 1.409259, "vote_share_delta_pct_pt": -2.474395 } ] }