{
  "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": "juku",
    "pref": "tokyo"
  },
  "sector": {
    "slug": "juku",
    "name": "学習塾",
    "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": "823",
    "indName": "学習塾",
    "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": 52,
  "sumEstablishments": 3092,
  "staleRows": 0,
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      "cityCode": "13112",
      "name": "世田谷区",
      "pref": "tokyo",
      "prefName": "東京都",
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      "brands": 11,
      "censusEstablishments2021": 338,
      "population": 931853,
      "daytimePopulation": 854838,
      "daytimeRatio": 90.6,
      "per10kPopulation": 2.31,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13120",
      "name": "練馬区",
      "pref": "tokyo",
      "prefName": "東京都",
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      "brands": 12,
      "censusEstablishments2021": 313,
      "population": 752705,
      "daytimePopulation": 601359,
      "daytimeRatio": 79.9,
      "per10kPopulation": 2.21,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13111",
      "name": "大田区",
      "pref": "tokyo",
      "prefName": "東京都",
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      "brands": 11,
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      "population": 748869,
      "daytimePopulation": 722027,
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    },
    {
      "cityCode": "13123",
      "name": "江戸川区",
      "pref": "tokyo",
      "prefName": "東京都",
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      "brands": 12,
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      "population": 701871,
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    },
    {
      "cityCode": "13108",
      "name": "江東区",
      "pref": "tokyo",
      "prefName": "東京都",
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      "population": 544763,
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    },
    {
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    },
    {
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    },
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      "cityCode": "13115",
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      "pref": "tokyo",
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      "per10kPopulation": 2.03,
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    },
    {
      "cityCode": "13119",
      "name": "板橋区",
      "pref": "tokyo",
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    },
    {
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      "name": "葛飾区",
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    },
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    {
      "cityCode": "13206",
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      "pref": "tokyo",
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    {
      "cityCode": "13104",
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      "pref": "tokyo",
      "prefName": "東京都",
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      "brands": 10,
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    },
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      "pref": "tokyo",
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      "cityCode": "13105",
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      "pref": "tokyo",
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    },
    {
      "cityCode": "13208",
      "name": "調布市",
      "pref": "tokyo",
      "prefName": "東京都",
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    {
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      "pref": "tokyo",
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      "pref": "tokyo",
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    },
    {
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      "name": "渋谷区",
      "pref": "tokyo",
      "prefName": "東京都",
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    },
    {
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      "name": "西東京市",
      "pref": "tokyo",
      "prefName": "東京都",
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    {
      "cityCode": "13211",
      "name": "小平市",
      "pref": "tokyo",
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    {
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    {
      "cityCode": "13212",
      "name": "日野市",
      "pref": "tokyo",
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    },
    {
      "cityCode": "13202",
      "name": "立川市",
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    {
      "cityCode": "13224",
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    {
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    {
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      "cityCode": "13106",
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      "cityCode": "13210",
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    },
    {
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    },
    {
      "cityCode": "13213",
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      "prefName": "東京都",
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    {
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      "name": "稲城市",
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    },
    {
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      "name": "あきる野市",
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    {
      "cityCode": "13227",
      "name": "羽村市",
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    {
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      "name": "清瀬市",
      "pref": "tokyo",
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      "name": "狛江市",
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    },
    {
      "cityCode": "13308",
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    }
  ],
  "html": "https://analytics.skrrs-jp.com/cities?sector=juku&pref=tokyo",
  "csv": "https://analytics.skrrs-jp.com/csv/cities.csv?sector=juku&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": "2026-08-19T23:16:11.079Z"
}