Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, current age, and other demographic factors like sex. The most commonly used measure is life expectancy at birth (LEB), which can be defined in two ways.
What is meant by life expectancy '?
The term life expectancy refers to the number of years a person can expect to live. By definition, life expectancy is based on an estimate of the average age that members of a particular population group will be when they die.
What is life expectancy at age 50?
The current life expectancy for World in 2022 is 72.98 years, a 0.24% increase from 2021. The life expectancy for World in 2021 was 72.81 years, a 0.24% increase from 2020. The life expectancy for World in 2020 was 72.63 years, a 0.24% increase from 2019.
What is the average lifespan of a human 2022?
Life expectancy is the number of years a person would be expected to live, starting from birth (life expectancy at birth) or at age 65 (life expectancy at age 65), based on the mortality statistics for a given observation period.