Population Pyramids

Front

What is a population pyramid?

Back

A graphical representation of the age and gender distribution of a population.

Front

What do the two sides of a population pyramid represent?

Back

The left side represents males and the right side represents females.

Front

What does a wide base in a population pyramid indicate?

Back

A high birth rate.

Front

What does a narrow base in a population pyramid indicate?

Back

A low birth rate.

Front

What age group is represented at the bottom of a population pyramid?

Back

Children.

Front

What age group is represented at the top of a population pyramid?

Back

The elderly.

Front

How does life expectancy affect the shape of a population pyramid?

Back

Countries with higher life expectancy tend to have a more rectangular shape, while those with lower life expectancy may have a wider base.

Front

What does a population pyramid with a bulge in the middle indicate?

Back

A large working-age population.

Front

What is the significance of the dependency ratio in population studies?

Back

It measures the ratio of dependents (children and elderly) to the working-age population.

Front

How can population pyramids help in planning for public services?

Back

They provide insights into future needs for schools, healthcare, and retirement services.