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      "name": "秩父郡長瀞町",
      "pref": "saitama",
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    },
    {
      "cityCode": "11369",
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      "name": "富里市",
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    {
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      "name": "香取郡神崎町",
      "pref": "chiba",
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      "name": "長生郡睦沢町",
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      "prefName": "千葉県",
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    },
    {
      "cityCode": "13307",
      "name": "西多摩郡檜原村",
      "pref": "tokyo",
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      "brands": null,
      "censusEstablishments2021": null,
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      "daytimeRatio": 106.5,
      "per10kPopulation": 5.31,
      "asOf": "2026-07"
    },
    {
      "cityCode": "13308",
      "name": "西多摩郡奥多摩町",
      "pref": "tokyo",
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    },
    {
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      "name": "小笠原村",
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    {
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      "name": "印旛郡酒々井町",
      "pref": "chiba",
      "prefName": "千葉県",
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      "population": 19892,
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    {
      "cityCode": "12329",
      "name": "印旛郡栄町",
      "pref": "chiba",
      "prefName": "千葉県",
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      "daytimeRatio": 75.9,
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      "cityCode": "12421",
      "name": "長生郡一宮町",
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      "prefName": "千葉県",
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      "brands": null,
      "censusEstablishments2021": null,
      "population": 11836,
      "daytimePopulation": 10565,
      "daytimeRatio": 88.8,
      "per10kPopulation": 0,
      "asOf": "2021-05"
    },
    {
      "cityCode": "12423",
      "name": "長生郡長生村",
      "pref": "chiba",
      "prefName": "千葉県",
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      "brands": null,
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      "population": 12736,
      "daytimePopulation": 11307,
      "daytimeRatio": 81.9,
      "per10kPopulation": 0,
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    },
    {
      "cityCode": "12424",
      "name": "長生郡白子町",
      "pref": "chiba",
      "prefName": "千葉県",
      "establishments": 0,
      "brands": null,
      "censusEstablishments2021": null,
      "population": 9376,
      "daytimePopulation": 8556,
      "daytimeRatio": 83,
      "per10kPopulation": 0,
      "asOf": "2021-05"
    },
    {
      "cityCode": "12426",
      "name": "長生郡長柄町",
      "pref": "chiba",
      "prefName": "千葉県",
      "establishments": 0,
      "brands": null,
      "censusEstablishments2021": null,
      "population": 5988,
      "daytimePopulation": 7191,
      "daytimeRatio": 107,
      "per10kPopulation": 0,
      "asOf": "2021-05"
    },
    {
      "cityCode": "12427",
      "name": "長生郡長南町",
      "pref": "chiba",
      "prefName": "千葉県",
      "establishments": 0,
      "brands": null,
      "censusEstablishments2021": null,
      "population": 6265,
      "daytimePopulation": 7188,
      "daytimeRatio": 99.9,
      "per10kPopulation": 0,
      "asOf": "2021-05"
    },
    {
      "cityCode": "13402",
      "name": "青ヶ島村",
      "pref": "tokyo",
      "prefName": "東京都",
      "establishments": 0,
      "brands": null,
      "censusEstablishments2021": null,
      "population": 160,
      "daytimePopulation": 205,
      "daytimeRatio": 121.3,
      "per10kPopulation": 0,
      "asOf": "2026-07"
    }
  ],
  "html": "https://analytics.skrrs-jp.com/cities?sector=sakanaya",
  "csv": "https://analytics.skrrs-jp.com/csv/cities.csv?sector=sakanaya",
  "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。",
    "このうち 53市区 は台帳時点が取得月（2026-08）から12ヶ月を超えて更新されていません。合計・シェアを計算するときは、時点が揃う市区のサブセットで行ってください。"
  ],
  "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": "2026-08-21T05:59:08.574Z"
}