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Hong Kong has a very high population density.

Population 04

Population pyramids show how a country’s people are spread across age groups and genders, helping geographers understand growth, ageing and future demands on services.

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Fascinating Fact:

A population pyramid is a bar graph that shows how many males and females there are in different age groups in a country.

In KS3 Geography, pupils study how populations are structured by age and gender. Population pyramids help them compare countries with young, stable or ageing populations and think about future needs for services and jobs.

Key Terms

Population pyramid: A bar graph that shows the number of males and females in different age groups in a place.
Age structure: The way a population is divided into different age groups, such as children, working adults and older people.
Cohort: A group of people in the same age range, such as everyone aged ten to fourteen in a population pyramid.

Frequently Asked Questions (Click to see answers)

What does the shape of a population pyramid show?

The shape of a population pyramid shows whether a country has many young people, a balanced spread of ages or an ageing population, which helps you spot trends like growth or decline.

How can population pyramids help governments plan services?

Population pyramids help governments plan services by showing how many people will need schools, jobs, healthcare or pensions in the future, so resources can be directed to the right age groups.

How do population pyramids differ between rich and poor countries?

Richer countries often have population pyramids with narrower bases and more older people, while poorer countries usually have wide bases and many young people because birth rates are higher.

Try These Related Quizzes

1 .

Which is an example of international migration?

Berlin to Cape Town

Madrid to Barcelona

New York to Los Angeles

Sydney to Melbourne

The U.N. estimates 100 million people live in a different country from the one where they were born

2 .

Which continent has the most countries with very rapid population increase?

Africa

Europe

North America

South America

Most African countries are LEDCs

3 .

What term means someone moving within a country?

Diurnal migration

External migration

Internal migration

Inter-urban migration

A lot of internal migration involves people from rural populations moving to urban centres

4 .

A lot of people in a small area is a what?

Dense population

Intense population

Sparse population

Thick population

Cities have a denser population than the surrounding rural areas

5 .

For population to decrease what has to happen?

Birth rate must be greater than death rate

Birth rates and death rates must be equal

Death rate must be greater than birth rate

Fewer people have to get married

More die than are born so population drops

6 .

Of these, which has the lowest population density?

Central Australia

Germany's Ruhr Valley

Hong Kong

North-Eastern USA

Hong Kong has an average of 6,300 people per square kilometre but they are literally living and working on top of each other as there are many skyscrapers in Hong Kong

7 .

What would cause a fall in death rates?

An increase in contraception

An increase in pollution

Improved medical care

Lack of clean water

Untreated diseases and infections kill many people in LEDCs

8 .

What is a human factor affecting population density?

Climate

Relief

Soil

Transport links

The others are physical factors

9 .

When educated migrants leave their own country it is called a what?

Brain Drain

Geek Leak

Skill Kill

Swot Rot

If a researcher cannot get funding for their project in their own country, they will try to find a job in a different country where funding is available

10 .

An ageing population gives what shape of population pyramid?

Narrow all the way down

Narrow top and wide base

Wide all the way down

Wide top and narrow base

A wide base with narrow top indicates a young population

You can find more about this topic by visiting BBC Bitesize - Population and migration

Author: Jan Crompton (KS3 Geography & History Teacher, Professional Quiz Writer)