Draw and explain expanding age pyramids of human population. Why is it so called?

Question

Philoid · Accepted Answer

Diagram of expanding age pyramid:

Age Pyramid: foreman population age pyramid generally shows age distribution of males and females.

Expanding age pyramid: in this, no.of pre- reproductive individuals is large , no.of reproductive is moderate and post-reproductive is very few.

This age pyramid shows that the population is growing.The rate of the growth depends upon the size of pre-reproductive population.This type of expanding age pyramid is seen in developing countries like India and Brazil.