{
  "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": "tokyo"
  },
  "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": 51,
  "sumEstablishments": 1178,
  "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,
      "daytimePopulation": 722027,
      "daytimeRatio": 96.5,
      "per10kPopulation": 0.91,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13119",
      "name": "板橋区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 56,
      "brands": 7,
      "censusEstablishments2021": 37,
      "population": 587549,
      "daytimePopulation": 523358,
      "daytimeRatio": 89.5,
      "per10kPopulation": 0.95,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13115",
      "name": "杉並区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 54,
      "brands": 8,
      "censusEstablishments2021": 51,
      "population": 585960,
      "daytimePopulation": 498067,
      "daytimeRatio": 84.3,
      "per10kPopulation": 0.92,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13120",
      "name": "練馬区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 50,
      "brands": 8,
      "censusEstablishments2021": 30,
      "population": 752705,
      "daytimePopulation": 601359,
      "daytimeRatio": 79.9,
      "per10kPopulation": 0.66,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13123",
      "name": "江戸川区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 49,
      "brands": 10,
      "censusEstablishments2021": 36,
      "population": 701871,
      "daytimePopulation": 571717,
      "daytimeRatio": 81.9,
      "per10kPopulation": 0.7,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13104",
      "name": "新宿区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 49,
      "brands": 7,
      "censusEstablishments2021": 58,
      "population": 355874,
      "daytimePopulation": 793528,
      "daytimeRatio": 227.1,
      "per10kPopulation": 1.38,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13121",
      "name": "足立区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 47,
      "brands": 9,
      "censusEstablishments2021": 27,
      "population": 708346,
      "daytimePopulation": 619375,
      "daytimeRatio": 89.1,
      "per10kPopulation": 0.66,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13108",
      "name": "江東区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 45,
      "brands": 10,
      "censusEstablishments2021": 30,
      "population": 544763,
      "daytimePopulation": 633813,
      "daytimeRatio": 120.9,
      "per10kPopulation": 0.83,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13109",
      "name": "品川区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 43,
      "brands": 10,
      "censusEstablishments2021": 45,
      "population": 418501,
      "daytimePopulation": 582156,
      "daytimeRatio": 137.8,
      "per10kPopulation": 1.03,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13103",
      "name": "港区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 39,
      "brands": 8,
      "censusEstablishments2021": 73,
      "population": 270578,
      "daytimePopulation": 972673,
      "daytimeRatio": 373.4,
      "per10kPopulation": 1.44,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13201",
      "name": "八王子市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 38,
      "brands": 7,
      "censusEstablishments2021": 37,
      "population": 559727,
      "daytimePopulation": 574070,
      "daytimeRatio": 99.1,
      "per10kPopulation": 0.68,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13116",
      "name": "豊島区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 36,
      "brands": 9,
      "censusEstablishments2021": 43,
      "population": 297540,
      "daytimePopulation": 412070,
      "daytimeRatio": 136.6,
      "per10kPopulation": 1.21,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13114",
      "name": "中野区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 33,
      "brands": 7,
      "censusEstablishments2021": 32,
      "population": 345106,
      "daytimePopulation": 325767,
      "daytimeRatio": 94.5,
      "per10kPopulation": 0.96,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13110",
      "name": "目黒区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 32,
      "brands": 7,
      "censusEstablishments2021": 38,
      "population": 283624,
      "daytimePopulation": 301801,
      "daytimeRatio": 104.8,
      "per10kPopulation": 1.13,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13122",
      "name": "葛飾区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 31,
      "brands": 8,
      "censusEstablishments2021": 28,
      "population": 474407,
      "daytimePopulation": 376832,
      "daytimeRatio": 83.2,
      "per10kPopulation": 0.65,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13117",
      "name": "北区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 31,
      "brands": 8,
      "censusEstablishments2021": 26,
      "population": 369928,
      "daytimePopulation": 332018,
      "daytimeRatio": 93.5,
      "per10kPopulation": 0.84,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13113",
      "name": "渋谷区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 30,
      "brands": 8,
      "censusEstablishments2021": 95,
      "population": 231169,
      "daytimePopulation": 551344,
      "daytimeRatio": 226.1,
      "per10kPopulation": 1.3,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13107",
      "name": "墨田区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 29,
      "brands": 7,
      "censusEstablishments2021": 18,
      "population": 289953,
      "daytimePopulation": 281971,
      "daytimeRatio": 103.6,
      "per10kPopulation": 1,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13106",
      "name": "台東区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 24,
      "brands": 5,
      "censusEstablishments2021": 19,
      "population": 217717,
      "daytimePopulation": 307176,
      "daytimeRatio": 145.3,
      "per10kPopulation": 1.1,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13101",
      "name": "千代田区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 23,
      "brands": 5,
      "censusEstablishments2021": 29,
      "population": 69783,
      "daytimePopulation": 903780,
      "daytimeRatio": 1355.4,
      "per10kPopulation": 3.3,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13102",
      "name": "中央区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 22,
      "brands": 6,
      "censusEstablishments2021": 38,
      "population": 191987,
      "daytimePopulation": 633390,
      "daytimeRatio": 374.4,
      "per10kPopulation": 1.15,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13118",
      "name": "荒川区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 21,
      "brands": 6,
      "censusEstablishments2021": 11,
      "population": 226428,
      "daytimePopulation": 193640,
      "daytimeRatio": 89,
      "per10kPopulation": 0.93,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13208",
      "name": "調布市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 20,
      "brands": 5,
      "censusEstablishments2021": 19,
      "population": 242593,
      "daytimePopulation": 215825,
      "daytimeRatio": 89,
      "per10kPopulation": 0.82,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13203",
      "name": "武蔵野市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 19,
      "brands": 7,
      "censusEstablishments2021": 24,
      "population": 148681,
      "daytimePopulation": 162221,
      "daytimeRatio": 108,
      "per10kPopulation": 1.28,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13105",
      "name": "文京区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 19,
      "brands": 4,
      "censusEstablishments2021": 11,
      "population": 237527,
      "daytimePopulation": 353648,
      "daytimeRatio": 147.3,
      "per10kPopulation": 0.8,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13209",
      "name": "町田市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 18,
      "brands": 7,
      "censusEstablishments2021": 19,
      "population": 431487,
      "daytimePopulation": 389137,
      "daytimeRatio": 90.3,
      "per10kPopulation": 0.42,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13229",
      "name": "西東京市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 17,
      "brands": 5,
      "censusEstablishments2021": 13,
      "population": 207874,
      "daytimePopulation": 167697,
      "daytimeRatio": 80.9,
      "per10kPopulation": 0.82,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13206",
      "name": "府中市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 15,
      "brands": 8,
      "censusEstablishments2021": 13,
      "population": 263217,
      "daytimePopulation": 249891,
      "daytimeRatio": 95.1,
      "per10kPopulation": 0.57,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13211",
      "name": "小平市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 14,
      "brands": 5,
      "censusEstablishments2021": 5,
      "population": 198322,
      "daytimePopulation": 176977,
      "daytimeRatio": 89,
      "per10kPopulation": 0.71,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13224",
      "name": "多摩市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 11,
      "brands": 4,
      "censusEstablishments2021": 10,
      "population": 148584,
      "daytimePopulation": 146247,
      "daytimeRatio": 99.5,
      "per10kPopulation": 0.74,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13202",
      "name": "立川市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 11,
      "brands": 6,
      "censusEstablishments2021": 18,
      "population": 188180,
      "daytimePopulation": 207832,
      "daytimeRatio": 113.2,
      "per10kPopulation": 0.58,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13215",
      "name": "国立市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 9,
      "brands": 6,
      "censusEstablishments2021": 6,
      "population": 77056,
      "daytimePopulation": 73548,
      "daytimeRatio": 95.4,
      "per10kPopulation": 1.17,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13212",
      "name": "日野市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 9,
      "brands": 5,
      "censusEstablishments2021": 5,
      "population": 189564,
      "daytimePopulation": 168522,
      "daytimeRatio": 88.5,
      "per10kPopulation": 0.47,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13210",
      "name": "小金井市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 9,
      "brands": 5,
      "censusEstablishments2021": 9,
      "population": 126666,
      "daytimePopulation": 110012,
      "daytimeRatio": 87.3,
      "per10kPopulation": 0.71,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13222",
      "name": "東久留米市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 8,
      "brands": 4,
      "censusEstablishments2021": 8,
      "population": 116779,
      "daytimePopulation": 95619,
      "daytimeRatio": 83,
      "per10kPopulation": 0.69,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13219",
      "name": "狛江市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 7,
      "brands": 3,
      "censusEstablishments2021": 1,
      "population": 82215,
      "daytimePopulation": 62979,
      "daytimeRatio": 74.3,
      "per10kPopulation": 0.85,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13214",
      "name": "国分寺市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 7,
      "brands": 4,
      "censusEstablishments2021": 7,
      "population": 131002,
      "daytimePopulation": 110258,
      "daytimeRatio": 85.3,
      "per10kPopulation": 0.53,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13225",
      "name": "稲城市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 6,
      "brands": 4,
      "censusEstablishments2021": 8,
      "population": 95150,
      "daytimePopulation": 74976,
      "daytimeRatio": 80.5,
      "per10kPopulation": 0.63,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13221",
      "name": "清瀬市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 6,
      "brands": 4,
      "censusEstablishments2021": 3,
      "population": 76167,
      "daytimePopulation": 65931,
      "daytimeRatio": 86.5,
      "per10kPopulation": 0.79,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13220",
      "name": "東大和市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 6,
      "brands": 3,
      "censusEstablishments2021": 3,
      "population": 85047,
      "daytimePopulation": 67364,
      "daytimeRatio": 80.3,
      "per10kPopulation": 0.71,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13213",
      "name": "東村山市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 6,
      "brands": 3,
      "censusEstablishments2021": 9,
      "population": 152444,
      "daytimePopulation": 124202,
      "daytimeRatio": 81.8,
      "per10kPopulation": 0.39,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13218",
      "name": "福生市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 5,
      "brands": 4,
      "censusEstablishments2021": 3,
      "population": 56948,
      "daytimePopulation": 51695,
      "daytimeRatio": 91.6,
      "per10kPopulation": 0.88,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13207",
      "name": "昭島市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 5,
      "brands": 3,
      "censusEstablishments2021": 5,
      "population": 116819,
      "daytimePopulation": 105988,
      "daytimeRatio": 93,
      "per10kPopulation": 0.43,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13205",
      "name": "青梅市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 5,
      "brands": 4,
      "censusEstablishments2021": 7,
      "population": 128335,
      "daytimePopulation": 120804,
      "daytimeRatio": 90.5,
      "per10kPopulation": 0.39,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13204",
      "name": "三鷹市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 5,
      "brands": 4,
      "censusEstablishments2021": 11,
      "population": 191740,
      "daytimePopulation": 175413,
      "daytimeRatio": 89.8,
      "per10kPopulation": 0.26,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13227",
      "name": "羽村市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 4,
      "brands": 2,
      "censusEstablishments2021": 4,
      "population": 53946,
      "daytimePopulation": 51710,
      "daytimeRatio": 95.2,
      "per10kPopulation": 0.74,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13228",
      "name": "あきる野市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 3,
      "brands": 2,
      "censusEstablishments2021": 1,
      "population": 78504,
      "daytimePopulation": 67342,
      "daytimeRatio": 84.9,
      "per10kPopulation": 0.38,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13223",
      "name": "武蔵村山市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 2,
      "brands": 2,
      "censusEstablishments2021": 2,
      "population": 70524,
      "daytimePopulation": 67567,
      "daytimeRatio": 95.4,
      "per10kPopulation": 0.28,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13305",
      "name": "西多摩郡日の出町",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 15621,
      "daytimePopulation": 17760,
      "daytimeRatio": 104.7,
      "per10kPopulation": 0.64,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13303",
      "name": "西多摩郡瑞穂町",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 2,
      "population": 31870,
      "daytimePopulation": 35317,
      "daytimeRatio": 111.2,
      "per10kPopulation": 0.31,
      "asOf": "2026-08"
    }
  ],
  "html": "https://analytics.skrrs-jp.com/cities?sector=gym&pref=tokyo",
  "csv": "https://analytics.skrrs-jp.com/csv/cities.csv?sector=gym&pref=tokyo",
  "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": "2026-08-19T09:43:04.756Z"
}