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What is the life expectancy of someone born in 1985? Understanding Cohort and Period Data

Based on period life tables from the Centers for Disease Control and Prevention (CDC), the life expectancy of someone born in 1985 was 74.7 years for the total U.S. population. However, this figure is a retrospective snapshot in time, and a more accurate projection—known as cohort life expectancy—accounts for the continuous, long-term improvements in medicine and public health experienced over a person's lifetime.