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生存率; 残存率、活着率   seizonritsu; zansonritsu; katchakuritsu
survival rate


The survival rate to a specific age X is the proportion of newborns in a given year who would be expected to survive at age X if current mortality trends were to continue for at least the next X years. Survival rates are derived from the life table, which is an analytic procedure designed to produce estimates of life expectancies and other measures of mortality, based on prevailing age-specific death rates.


United Nations, Economic and Social Development

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