{
  "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": "eikaiwa",
    "pref": null
  },
  "sector": {
    "slug": "eikaiwa",
    "name": "英会話教室",
    "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": "82K",
    "indName": "外国語会話教授業",
    "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": 119,
  "sumEstablishments": 371,
  "staleRows": 0,
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      "cityCode": "13112",
      "name": "世田谷区",
      "pref": "tokyo",
      "prefName": "東京都",
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      "brands": 4,
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      "population": 931853,
      "daytimePopulation": 854838,
      "daytimeRatio": 90.6,
      "per10kPopulation": 0.12,
      "asOf": "2026-08"
    },
    {
      "cityCode": "13109",
      "name": "品川区",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 11,
      "brands": 4,
      "censusEstablishments2021": 29,
      "population": 418501,
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      "daytimeRatio": 137.8,
      "per10kPopulation": 0.26,
      "asOf": "2026-08"
    },
    {
      "cityCode": "12204",
      "name": "船橋市",
      "pref": "chiba",
      "prefName": "千葉県",
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    },
    {
      "cityCode": "13108",
      "name": "江東区",
      "pref": "tokyo",
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      "brands": 4,
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    },
    {
      "cityCode": "13116",
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      "pref": "tokyo",
      "prefName": "東京都",
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    },
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    },
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    },
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    },
    {
      "cityCode": "13208",
      "name": "調布市",
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    },
    {
      "cityCode": "13202",
      "name": "立川市",
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      "name": "市川市",
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    },
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      "cityCode": "14153",
      "name": "相模原市南区",
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    },
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      "cityCode": "14151",
      "name": "相模原市緑区",
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    },
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    },
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      "name": "多摩市",
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      "name": "国分寺市",
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      "name": "杉並区",
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      "name": "中野区",
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      "name": "市原市",
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    },
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      "name": "佐倉市",
      "pref": "chiba",
      "prefName": "千葉県",
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      "cityCode": "12206",
      "name": "木更津市",
      "pref": "chiba",
      "prefName": "千葉県",
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    {
      "cityCode": "12105",
      "name": "千葉市緑区",
      "pref": "chiba",
      "prefName": "千葉県",
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    },
    {
      "cityCode": "12104",
      "name": "千葉市若葉区",
      "pref": "chiba",
      "prefName": "千葉県",
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      "cityCode": "11246",
      "name": "白岡市",
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    {
      "cityCode": "11235",
      "name": "富士見市",
      "pref": "saitama",
      "prefName": "埼玉県",
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    {
      "cityCode": "11234",
      "name": "八潮市",
      "pref": "saitama",
      "prefName": "埼玉県",
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    },
    {
      "cityCode": "11233",
      "name": "北本市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 4,
      "population": 64118,
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      "daytimeRatio": 82.5,
      "per10kPopulation": 0.16,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11232",
      "name": "久喜市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 15,
      "population": 146989,
      "daytimePopulation": 141711,
      "daytimeRatio": 94.1,
      "per10kPopulation": 0.07,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11225",
      "name": "入間市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 12,
      "population": 139681,
      "daytimePopulation": 129463,
      "daytimeRatio": 88.9,
      "per10kPopulation": 0.07,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11219",
      "name": "上尾市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 18,
      "population": 224905,
      "daytimePopulation": 189660,
      "daytimeRatio": 83.6,
      "per10kPopulation": 0.04,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11217",
      "name": "鴻巣市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 5,
      "population": 115456,
      "daytimePopulation": 94696,
      "daytimeRatio": 81.1,
      "per10kPopulation": 0.09,
      "asOf": "2026-08"
    },
    {
      "cityCode": "11215",
      "name": "狭山市",
      "pref": "saitama",
      "prefName": "埼玉県",
      "establishments": 1,
      "brands": 1,
      "censusEstablishments2021": 7,
      "population": 142700,
      "daytimePopulation": 141364,
      "daytimeRatio": 95.1,
      "per10kPopulation": 0.07,
      "asOf": "2026-08"
    }
  ],
  "html": "https://analytics.skrrs-jp.com/cities?sector=eikaiwa",
  "csv": "https://analytics.skrrs-jp.com/csv/cities.csv?sector=eikaiwa",
  "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": "2026-08-19T07:24:47.945Z"
}