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

Age pyramid of a stable population is

Age pyramid of a stable population is

Age Pyramid of expanding population is :

Age Pyramid of expanding population is :

What are the three types of age pyramids for human population?

Draw labelled diagrams of stable and declining age pyramids of human population.

Draw labelled diagrams of stable and declining age pyramids of human population.

If the age pyramid of a population is bell shaped, it will show

How does an age pyramid for human population at given point of time helps the policy - makers in planning for future .

How does an age pyramid for human population at given point of time helps the policy - makers in planning for future .