Question

what is life expectancy?

Answer 1

Here is your answer.....


The average period that a person may expect to live.


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Answer 2

$\Huge\blue{\textbf{Answer:}}$

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.