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"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 49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": "2026-08-19T06:33:24.923Z" }