Current Life Expectancy 2024 In America. In 2019, the average life expectancy was 78.8 years, an increase of 0.1 or 0.18% from 2018. Life expectancy is a projection estimating what the average.

Chart and table of u.s. It was 47 years in 1900, 68 years in 1950, and by 2019 it had risen to nearly 79 years.