What does this map of the world represent?

Population growth!

How and why is the population changing in

different parts of the world?

But what is the population of the world?

• Write down your estimate at the back of your exercise books

• Here’s the answer

Key termsMatch up the correct terms and

definitions

1. Birth Rate2. Death Rate3. Migration4. Natural Increase

5. Annual population growthnumber of live births every yearper 1,000 of the population.

This can be positive or negative and it is an areas growth over the course of a year.

When people move from one place to another for more than one year.

This is the difference between the birth and death rates.

number of people who die every yearper 1,000 of the population.

What does this graph show about Population Growth?

Global population growth

• Watch this video and see what it says about population growth

Population change

• How can a countries population change? BIRTHS IMMIGRANTS

DEATHSEMMIGRANTS

Population Change

• Turn up to p136 in Evolving Planet.• Death rate has fallen and therefore

people are living longer. • Why?...

Reduction in death rates 1) Development of modern medicines. This has

meant that more and more people are kept alive due to modern practices.

2) Introduction of vaccination and immunisation programmes e.g. smallpox vaccination that helps people to live longer.

3) Cleaner drinking water and better sewage disposal, a lot more people have access to clean drinking water than before.

4) Better healthcare – more doctors, nurses and hospitals, means that people can be treated and not die.

5) More hygienic housing. 6) Better diets, e.g. promoting eating ‘5 a day’

YOUR TURN!

• Imagine you have been asked to write a newspaper article for the local Evening News about how the world population has changed.

• Explain what has happened over time, what factors influence population and what may happen in the future.

• Over 6 billion people live here and its still rising. Although did you know that it hasn’t always been like this …….

• What will happen in the future? Will we be able to feed ourselves if we carry on like this? I’m Mr Pinks and I’m reporting on the growth of …

HOMEWORK

• COMPLETE THE TABLE ON P2 using world fact book

What's the question?

• Over 6 billion• Population• World• Immigration • Natural change