Life Expectancy 2024 United States. Life expectancy decline—and what to do about it. Population increased by 5.3% from 835.4 deaths per 100,000 population in 2020 to 879.7 in 2021.

Life expectancy has declined to 76.4 years, the shortest it’s been in nearly. The average life expectancy at birth among comparable countries was 82.2 years in 2022, down 0.1 years from 2021 and down 0.5 years from 2019.