What is the purpose of age structures?

A. They provide a way to study the overall age demographics of a population.

B. They can be used to plan for the number of nursing homes needed in a given area.

C. To advocate for small class sizes in schools

D. To know how many children live in a specific community

Answer: Hence, Option 'a' is correct.

Explanation:

Age structures is the proportion of population that belongs to different age group.

The purpose of age structure is that it provide a way to study the overall age demographics of a population.

With the age structures, we get to know about the prevailing age groups mostly present in particular area or country or world wide.

Hence, Option 'a' is correct.

A. They provide a way to study the overall age demographics of a population.

Explanation:

" it's a summary of the number of individuals of each age in the population. Age structure is useful in understanding and predicting population growth."