{ "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": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "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": 35, "municipality_count": 35, "min_votes_change_rate_pct": -73.604061, "max_votes_change_rate_pct": -50.112867 }, "municipalities": [ { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062090", "municipality_name": "長井市", "municipality_name_en": "Nagai-shi", "baseline_votes": 443.0, "target_votes": 221.0, "votes_delta": -222.0, "votes_change_rate_pct": -50.112867, "baseline_vote_share_pct_muni": 3.418474, "target_vote_share_pct_muni": 1.729941, "vote_share_delta_pct_pt": -1.688533 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063827", "municipality_name": "川西町", "municipality_name_en": "Kawanishi-machi", "baseline_votes": 250.0, "target_votes": 123.0, "votes_delta": -127.0, "votes_change_rate_pct": -50.8, "baseline_vote_share_pct_muni": 3.570408, "target_vote_share_pct_muni": 1.74073, "vote_share_delta_pct_pt": -1.829678 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063630", "municipality_name": "舟形町", "municipality_name_en": "Funagata-machi", "baseline_votes": 77.0, "target_votes": 37.0, "votes_delta": -40.0, "votes_change_rate_pct": -51.948052, "baseline_vote_share_pct_muni": 2.768788, "target_vote_share_pct_muni": 1.437451, "vote_share_delta_pct_pt": -1.331337 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062073", "municipality_name": "上山市", "municipality_name_en": "Kaminoyama-shi", "baseline_votes": 504.961, "target_votes": 241.0, "votes_delta": -263.961, "votes_change_rate_pct": -52.273542, "baseline_vote_share_pct_muni": 3.440023, "target_vote_share_pct_muni": 1.617667, "vote_share_delta_pct_pt": -1.822356 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062103", "municipality_name": "天童市", "municipality_name_en": "Tendo-shi", "baseline_votes": 818.0, "target_votes": 388.0, "votes_delta": -430.0, "votes_change_rate_pct": -52.567237, "baseline_vote_share_pct_muni": 2.773822, "target_vote_share_pct_muni": 1.312229, "vote_share_delta_pct_pt": -1.461593 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063240", "municipality_name": "大江町", "municipality_name_en": "Oe-machi", "baseline_votes": 136.0, "target_votes": 63.0, "votes_delta": -73.0, "votes_change_rate_pct": -53.676471, "baseline_vote_share_pct_muni": 3.31384, "target_vote_share_pct_muni": 1.539589, "vote_share_delta_pct_pt": -1.774251 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063410", "municipality_name": "大石田町", "municipality_name_en": "Oishida-machi", "baseline_votes": 102.0, "target_votes": 46.0, "votes_delta": -56.0, "votes_change_rate_pct": -54.901961, "baseline_vote_share_pct_muni": 2.970297, "target_vote_share_pct_muni": 1.402012, "vote_share_delta_pct_pt": -1.568285 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063223", "municipality_name": "西川町", "municipality_name_en": "Nishikawa-machi", "baseline_votes": 69.0, "target_votes": 31.0, "votes_delta": -38.0, "votes_change_rate_pct": -55.072464, "baseline_vote_share_pct_muni": 2.389197, "target_vote_share_pct_muni": 1.104382, "vote_share_delta_pct_pt": -1.284815 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062065", "municipality_name": "寒河江市", "municipality_name_en": "Sagae-shi", "baseline_votes": 604.574, "target_votes": 270.0, "votes_delta": -334.574, "votes_change_rate_pct": -55.340455, "baseline_vote_share_pct_muni": 3.121187, "target_vote_share_pct_muni": 1.368405, "vote_share_delta_pct_pt": -1.752782 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062014", "municipality_name": "山形市", "municipality_name_en": "Yamagata-shi", "baseline_votes": 3918.598, "target_votes": 1740.0, "votes_delta": -2178.598, "votes_change_rate_pct": -55.596364, "baseline_vote_share_pct_muni": 3.306583, "target_vote_share_pct_muni": 1.486722, "vote_share_delta_pct_pt": -1.819861 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062111", "municipality_name": "東根市", "municipality_name_en": "Higashine-shi", "baseline_votes": 521.0, "target_votes": 231.0, "votes_delta": -290.0, "votes_change_rate_pct": -55.662188, "baseline_vote_share_pct_muni": 2.264824, "target_vote_share_pct_muni": 0.984529, "vote_share_delta_pct_pt": -1.280295 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "064262", "municipality_name": "三川町", "municipality_name_en": "Mikawa-machi", "baseline_votes": 102.0, "target_votes": 45.0, "votes_delta": -57.0, "votes_change_rate_pct": -55.882353, "baseline_vote_share_pct_muni": 2.802968, "target_vote_share_pct_muni": 1.220836, "vote_share_delta_pct_pt": -1.582132 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062138", "municipality_name": "南陽市", "municipality_name_en": "Nanyo-shi", "baseline_votes": 460.681, "target_votes": 202.0, "votes_delta": -258.681, "votes_change_rate_pct": -56.151871, "baseline_vote_share_pct_muni": 3.109138, "target_vote_share_pct_muni": 1.350358, "vote_share_delta_pct_pt": -1.75878 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063622", "municipality_name": "最上町", "municipality_name_en": "Mogami-machi", "baseline_votes": 205.0, "target_votes": 89.0, "votes_delta": -116.0, "votes_change_rate_pct": -56.585366, "baseline_vote_share_pct_muni": 4.681434, "target_vote_share_pct_muni": 2.187807, "vote_share_delta_pct_pt": -2.493627 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062057", "municipality_name": "新庄市", "municipality_name_en": "Shinjo-shi", "baseline_votes": 637.0, "target_votes": 273.0, "votes_delta": -364.0, "votes_change_rate_pct": -57.142857, "baseline_vote_share_pct_muni": 3.851503, "target_vote_share_pct_muni": 1.827921, "vote_share_delta_pct_pt": -2.023582 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063649", "municipality_name": "真室川町", "municipality_name_en": "Mamurogawa-machi", "baseline_votes": 166.0, "target_votes": 71.0, "votes_delta": -95.0, "votes_change_rate_pct": -57.228916, "baseline_vote_share_pct_muni": 4.40786, "target_vote_share_pct_muni": 1.971675, "vote_share_delta_pct_pt": -2.436185 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063665", "municipality_name": "鮭川村", "municipality_name_en": "Sakegawa-mura", "baseline_votes": 92.0, "target_votes": 39.0, "votes_delta": -53.0, "votes_change_rate_pct": -57.608696, "baseline_vote_share_pct_muni": 4.435873, "target_vote_share_pct_muni": 1.917404, "vote_share_delta_pct_pt": -2.518469 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063673", "municipality_name": "戸沢村", "municipality_name_en": "Tozawa-mura", "baseline_votes": 86.0, "target_votes": 36.0, "votes_delta": -50.0, "votes_change_rate_pct": -58.139535, "baseline_vote_share_pct_muni": 3.778559, "target_vote_share_pct_muni": 1.73494, "vote_share_delta_pct_pt": -2.043619 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062030", "municipality_name": "鶴岡市", "municipality_name_en": "Tsuruoka-shi", "baseline_votes": 1906.636, "target_votes": 796.0, "votes_delta": -1110.636, "votes_change_rate_pct": -58.251077, "baseline_vote_share_pct_muni": 3.259374, "target_vote_share_pct_muni": 1.373788, "vote_share_delta_pct_pt": -1.885586 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062081", "municipality_name": "村山市", "municipality_name_en": "Murayama-shi", "baseline_votes": 364.0, "target_votes": 148.0, "votes_delta": -216.0, "votes_change_rate_pct": -59.340659, "baseline_vote_share_pct_muni": 3.095238, "target_vote_share_pct_muni": 1.234156, "vote_share_delta_pct_pt": -1.861082 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062022", "municipality_name": "米沢市", "municipality_name_en": "Yonezawa-shi", "baseline_votes": 1213.0, "target_votes": 487.0, "votes_delta": -726.0, "votes_change_rate_pct": -59.851608, "baseline_vote_share_pct_muni": 3.277227, "target_vote_share_pct_muni": 1.338353, "vote_share_delta_pct_pt": -1.938874 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063614", "municipality_name": "金山町", "municipality_name_en": "Kaneyama-machi", "baseline_votes": 91.0, "target_votes": 36.0, "votes_delta": -55.0, "votes_change_rate_pct": -60.43956, "baseline_vote_share_pct_muni": 3.176265, "target_vote_share_pct_muni": 1.340782, "vote_share_delta_pct_pt": -1.835483 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063819", "municipality_name": "高畠町", "municipality_name_en": "Takahata-machi", "baseline_votes": 411.789, "target_votes": 157.0, "votes_delta": -254.789, "votes_change_rate_pct": -61.873678, "baseline_vote_share_pct_muni": 3.747625, "target_vote_share_pct_muni": 1.455051, "vote_share_delta_pct_pt": -2.292574 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062120", "municipality_name": "尾花沢市", "municipality_name_en": "Obanazawa-shi", "baseline_votes": 223.0, "target_votes": 85.0, "votes_delta": -138.0, "votes_change_rate_pct": -61.883408, "baseline_vote_share_pct_muni": 2.836789, "target_vote_share_pct_muni": 1.147408, "vote_share_delta_pct_pt": -1.689381 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "064017", "municipality_name": "小国町", "municipality_name_en": "Oguni-machi", "baseline_votes": 124.0, "target_votes": 47.0, "votes_delta": -77.0, "votes_change_rate_pct": -62.096774, "baseline_vote_share_pct_muni": 3.352257, "target_vote_share_pct_muni": 1.334848, "vote_share_delta_pct_pt": -2.017409 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063231", "municipality_name": "朝日町", "municipality_name_en": "Asahi-machi", "baseline_votes": 95.0, "target_votes": 36.0, "votes_delta": -59.0, "votes_change_rate_pct": -62.105263, "baseline_vote_share_pct_muni": 2.735387, "target_vote_share_pct_muni": 1.033295, "vote_share_delta_pct_pt": -1.702092 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "062049", "municipality_name": "酒田市", "municipality_name_en": "Sakata-shi", "baseline_votes": 1634.532, "target_votes": 616.0, "votes_delta": -1018.532, "votes_change_rate_pct": -62.313372, "baseline_vote_share_pct_muni": 3.607362, "target_vote_share_pct_muni": 1.39965, "vote_share_delta_pct_pt": -2.207712 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063010", "municipality_name": "山辺町", "municipality_name_en": "Yamanobe-machi", "baseline_votes": 234.0, "target_votes": 87.0, "votes_delta": -147.0, "votes_change_rate_pct": -62.820513, "baseline_vote_share_pct_muni": 3.320562, "target_vote_share_pct_muni": 1.226561, "vote_share_delta_pct_pt": -2.094001 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "064610", "municipality_name": "遊佐町", "municipality_name_en": "Yuza-machi", "baseline_votes": 250.0, "target_votes": 91.0, "votes_delta": -159.0, "votes_change_rate_pct": -63.6, "baseline_vote_share_pct_muni": 3.842607, "target_vote_share_pct_muni": 1.415021, "vote_share_delta_pct_pt": -2.427586 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063215", "municipality_name": "河北町", "municipality_name_en": "Kahoku-cho", "baseline_votes": 323.0, "target_votes": 116.0, "votes_delta": -207.0, "votes_change_rate_pct": -64.086687, "baseline_vote_share_pct_muni": 3.518902, "target_vote_share_pct_muni": 1.242902, "vote_share_delta_pct_pt": -2.276 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "064025", "municipality_name": "白鷹町", "municipality_name_en": "Shirataka-machi", "baseline_votes": 209.0, "target_votes": 72.0, "votes_delta": -137.0, "votes_change_rate_pct": -65.550239, "baseline_vote_share_pct_muni": 2.959921, "target_vote_share_pct_muni": 1.025641, "vote_share_delta_pct_pt": -1.93428 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "064289", "municipality_name": "庄内町", "municipality_name_en": "Shonai-machi", "baseline_votes": 405.0, "target_votes": 139.0, "votes_delta": -266.0, "votes_change_rate_pct": -65.679012, "baseline_vote_share_pct_muni": 3.801746, "target_vote_share_pct_muni": 1.441161, "vote_share_delta_pct_pt": -2.360585 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "064033", "municipality_name": "飯豊町", "municipality_name_en": "Iide-machi", "baseline_votes": 115.0, "target_votes": 38.0, "votes_delta": -77.0, "votes_change_rate_pct": -66.956522, "baseline_vote_share_pct_muni": 3.223998, "target_vote_share_pct_muni": 1.086957, "vote_share_delta_pct_pt": -2.137041 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063657", "municipality_name": "大蔵村", "municipality_name_en": "Ohkura-mura", "baseline_votes": 67.0, "target_votes": 20.0, "votes_delta": -47.0, "votes_change_rate_pct": -70.149254, "baseline_vote_share_pct_muni": 3.863899, "target_vote_share_pct_muni": 1.243008, "vote_share_delta_pct_pt": -2.620891 }, { "prefecture_code": "06", "prefecture_name": "山形県", "prefecture_name_en": "Yamagata", "jis_code": "063029", "municipality_name": "中山町", "municipality_name_en": "Nakayama-machi", "baseline_votes": 197.0, "target_votes": 52.0, "votes_delta": -145.0, "votes_change_rate_pct": -73.604061, "baseline_vote_share_pct_muni": 3.492289, "target_vote_share_pct_muni": 0.959587, "vote_share_delta_pct_pt": -2.532702 } ] }