define the age structure &birth rate
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the distribution of age according to the age wise manner from old to young in a piramid manner is called age structure
the rate no of children born alive in a year is called birth rate
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The birth rate is the number of live births per thousand persons in a year. It is a major component of growth because, in India, birth rates have always been higher than death rates.
The age composition of a population refers to the number of people in different age groups in a country.
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