Us Life Expectancy 2024 Vs Other Countries In World. Life expectancy in the united states is expected to increase to 79.9 years in 2035 and 80.4 years by 2050, up from 78.3 years in 2022, researchers reported. 228 rows life expectancy at birth compares the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future.

Is forecasted to increase from 78.3 years in 2022 to 79.9 years in 2035 and to 80.4. 228 rows life expectancy at birth compares the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future.