Question

what is life expectancy??​

Answer 1

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Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth

Its current age and other demographic factors including gender.

The most commonly used measure of life expectancy is at birth, which can be defined in two ways

Answer 2

Answer:

Life expectancy, often abbreviated to LEB, is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age and other demographic factors including gender. The most commonly used measure of life expectancy is at birth, which can be defined in two ways.