Question

What are population pyramids ? How do they help in understanding about the population of a country?​

Answer 1

Explanation:

A population pyramid is a way to visualize two variables: age and sex. They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population.

Answer 2

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It's a pyramid which shows the number of births of men and women in a country