Question

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

Answer 1

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

Population Pyramids

Explanation:

• The population pyramid is also called the age sex pyramid. This shows:

• It shows the division of population into different age groups like 5 to 9 years, 10 to 14 years etc.

• It gives the percentage of male to female ratio in each age group.
• It refers to the number of dependents—young and old—as well as the number of economically active people.

• It helps to understand the economic, health, social structure by indirectly referring to the death, birth rate in terms of age and gender.