{ "asOf": { "oldest": "2026-08", "newest": "2026-08" }, "acquired": "2026-08", "source": "各社が公表する店舗一覧から当社集計（掲載チェーンのみ・業態の全数ではありません）", "sourceKind": "chain-only", "query": { "sector": "gym", "pref": null }, "sector": { "slug": "gym", "name": "フィットネスジム", "kind": "chain-only" }, "unit": "市区町村内の事業所数（行政区域単位・重なりなし）", "censusReference": { "indCode": "80H", "indName": "フィットネスクラブ", "relation": "exact", "year": 2021, "note": "令和3年経済センサス‐活動調査（2021年6月1日現在・全事業所）。全数の基準値であり、台帳の数字とは時点も母集団も異なるため、差分や比率を計算しないでください。" }, "total": 197, "sumEstablishments": 2424, "staleRows": 0, "cities": [ { "cityCode": "13112", "name": "世田谷区", "pref": "tokyo", "prefName": "東京都", "establishments": 80, "brands": 8, "censusEstablishments2021": 80, "population": 931853, "daytimePopulation": 854838, "daytimeRatio": 90.6, "per10kPopulation": 0.86, "asOf": "2026-08" }, { "cityCode": "13111", "name": "大田区", "pref": "tokyo", "prefName": "東京都", "establishments": 68, "brands": 9, "censusEstablishments2021": 60, "population": 748869, 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"censusEstablishments2021": 4, "population": 53889, "daytimePopulation": 57673, "daytimeRatio": 96.6, "per10kPopulation": 0.19, "asOf": "2026-08" }, { "cityCode": "11101", "name": "さいたま市西区", "pref": "saitama", "prefName": "埼玉県", "establishments": 1, "brands": 1, "censusEstablishments2021": 1, "population": 94327, "daytimePopulation": 81076, "daytimeRatio": 86.7, "per10kPopulation": 0.11, "asOf": "2026-08" } ], "html": "https://analytics.skrrs-jp.com/cities?sector=gym", "csv": "https://analytics.skrrs-jp.com/csv/cities.csv?sector=gym", "caveats": [ "掲載されているのは台帳を公開している市区のみです。sumEstablishments は1都3県の総数ではなく「掲載市区の合計」です。", "asOf は市区ごとに異なります。合計値は複数時点の混在であることにご注意ください。", "daytimeRatio（昼夜間人口比率）は 昼間人口2020 ÷ 夜間人口2020 × 100 です。population（住民基本台帳の月次推計）は分母ではありません。密度を人口で割るときは、この比率が高い市区ほど夜間人口が分母として不適切になります。" ], "license": "CC BY 4.0", "licenseUrl": "https://creativecommons.org/licenses/by/4.0/", "attribution": "Skrrs物件アナリティクス", "attributionExample": "出典: Skrrs物件アナリティクス（https://analytics.skrrs-jp.com）／CC BY 4.0", "documentation": "https://analytics.skrrs-jp.com/data", "methodology": "https://analytics.skrrs-jp.com/methodology", "generatedAt": "2026-08-19T08:46:15.192Z" }