Recent research in several more developed countries suggest that life expectancy is not only growing the numbers of people who are surviving to the end of normal work life, but pushing and disability back.

Old age

Explanation:

In simple words, life expectancy refers to the total number of years an individual is expected to live in a particular conditions and environment of a country. This is seen as a measure of the development of a country and is usually seen to be high in developed countries.

Initially governments focused only on saving the young population from disease but now the authorities are taking steps for continuous healthy life style so that one can live for more years.

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the answer is a quran