Life Expectancy 2024 By Country Usa. A period life table is based on the mortality experience of a population during a relatively short period of time. Life expectancy, averaging a person's lifespan from birth to death, varies globally due to factors like genetics, lifestyle, and.

In 2024 is 79.25 years, a. Life expectancy is based on an estimate of the average age that members of a particular population group will be when they die.