Life Expectancy 2025 By Country Us. Closely followed by ๐ธ๐ฒ san marino with a life expectancy of 85.8171 years of age, and ๐ญ๐ฐ china, hong kong sar with 85.6338 years of age. Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.
In 2025 is 79.25 years, a. Hong kong used to have the highest life expectancy;