Age Structure Diagrams

Front

What do the bottom age groups of a population pyramid represent?

Back

The children.

Front

What does a population pyramid indicating zero growth suggest about a country's age structure?

Back

It shows a stable population with equal birth and death rates.

Front

What does a population pyramid with a wide base indicate?

Back

Fast Growth (the population will explode).

Front

What are the main factors that have contributed to the dramatic increase in world population?

Back

Better medicine, better sanitation (access to clean water), and better technology.

Front

What does a population pyramid with a narrow base indicate?

Back

Decreasing Growth.

Front

What is an age structure diagram?

Back

A graphical representation of the distribution of various age groups in a population.

Front

What does a population pyramid with a uniform shape indicate?

Back

Zero Growth.

Front

How can you predict future population trends from an age structure diagram?

Back

By analyzing the shape and distribution of age groups.

Front

What does a population pyramid with a large proportion of elderly individuals indicate?

Back

A declining or aging population.

Front

What is the significance of the middle age groups in a population pyramid?

Back

They represent the working-age population.