Question

what is life expectancy?​

Answer 1

Answer:

the expected years of life when we born

hope it is helpful

Answer 2

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Life expectancy:

→ Life expectancy is the number of years an individual can expect to live for.

It is based on average life Span.

Average life Span:

→ It is defined as the age at which half the population still survives.

Life expectancy is the characteristic of a population.