{
  "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": "tennis",
    "pref": null
  },
  "sector": {
    "slug": "tennis",
    "name": "テニススクール",
    "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": null,
  "total": 19,
  "sumEstablishments": 20,
  "staleRows": 0,
  "cities": [
    {
      "cityCode": "12102",
      "name": "千葉市花見川区",
      "pref": "chiba",
      "prefName": "千葉県",
      "establishments": 2,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 177770,
      "daytimePopulation": 141585,
      "daytimeRatio": 79.8,
      "per10kPopulation": 0.11,
      "asOf": "2026-08"
    },
    {
      "cityCode": "14216",
      "name": "座間市",
      "pref": "kanagawa",
      "prefName": "神奈川県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 131923,
      "daytimePopulation": 116203,
      "daytimeRatio": 87.8,
      "per10kPopulation": 0.08,
      "asOf": "2026-08"
    },
    {
      "cityCode": "14215",
      "name": "海老名市",
      "pref": "kanagawa",
      "prefName": "神奈川県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 142392,
      "daytimePopulation": 128095,
      "daytimeRatio": 93.8,
      "per10kPopulation": 0.07,
      "asOf": "2026-08"
    },
    {
      "cityCode": "14111",
      "name": "横浜市港南区",
      "pref": "kanagawa",
      "prefName": "神奈川県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 208725,
      "daytimePopulation": 174862,
      "daytimeRatio": 81.2,
      "per10kPopulation": 0.05,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13229",
      "name": "西東京市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 207874,
      "daytimePopulation": 167697,
      "daytimeRatio": 80.9,
      "per10kPopulation": 0.05,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13222",
      "name": "東久留米市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 116779,
      "daytimePopulation": 95619,
      "daytimeRatio": 83,
      "per10kPopulation": 0.09,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13214",
      "name": "国分寺市",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 131002,
      "daytimePopulation": 110258,
      "daytimeRatio": 85.3,
      "per10kPopulation": 0.08,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13121",
      "name": "足立区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 708346,
      "daytimePopulation": 619375,
      "daytimeRatio": 89.1,
      "per10kPopulation": 0.01,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13116",
      "name": "豊島区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 297540,
      "daytimePopulation": 412070,
      "daytimeRatio": 136.6,
      "per10kPopulation": 0.03,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13112",
      "name": "世田谷区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 931853,
      "daytimePopulation": 854838,
      "daytimeRatio": 90.6,
      "per10kPopulation": 0.01,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13108",
      "name": "江東区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 544763,
      "daytimePopulation": 633813,
      "daytimeRatio": 120.9,
      "per10kPopulation": 0.02,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13107",
      "name": "墨田区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 289953,
      "daytimePopulation": 281971,
      "daytimeRatio": 103.6,
      "per10kPopulation": 0.03,
      "asOf": "2026-08"
    },
    {
      "cityCode": "12227",
      "name": "浦安市",
      "pref": "chiba",
      "prefName": "千葉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 172905,
      "daytimePopulation": 164509,
      "daytimeRatio": 96,
      "per10kPopulation": 0.06,
      "asOf": "2026-08"
    },
    {
      "cityCode": "12103",
      "name": "千葉市稲毛区",
      "pref": "chiba",
      "prefName": "千葉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 160766,
      "daytimePopulation": 150682,
      "daytimeRatio": 93.8,
      "per10kPopulation": 0.06,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11245",
      "name": "ふじみ野市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 112556,
      "daytimePopulation": 93778,
      "daytimeRatio": 82.6,
      "per10kPopulation": 0.09,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11223",
      "name": "蕨市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 75981,
      "daytimePopulation": 61066,
      "daytimeRatio": 82.2,
      "per10kPopulation": 0.13,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11214",
      "name": "春日部市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 222758,
      "daytimePopulation": 196819,
      "daytimeRatio": 85.7,
      "per10kPopulation": 0.04,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11107",
      "name": "さいたま市浦和区",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 170227,
      "daytimePopulation": 162467,
      "daytimeRatio": 98.6,
      "per10kPopulation": 0.06,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11105",
      "name": "さいたま市中央区",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": null,
      "population": 104334,
      "daytimePopulation": 103692,
      "daytimeRatio": 100.4,
      "per10kPopulation": 0.1,
      "asOf": "2026-08"
    }
  ],
  "html": "https://analytics.skrrs-jp.com/cities?sector=tennis",
  "csv": "https://analytics.skrrs-jp.com/csv/cities.csv?sector=tennis",
  "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": "2026-08-19T10:48:33.810Z"
}