1. POPULATION Population Growth Population Structure Population Policies
Migration

2. “Population means the number of people living in an area
“Population means the number of people living in an area. This can be the world, a country, a town or even a small area.”

3. World Population Change
What’s happening?

4. By 2050 the world’s population is expected to have grown from 6
By 2050 the world’s population is expected to have grown from 6.6 billion to 9 billion

5. 23 countries have over 50 million people
In 1950 only 9 countries were this big

6. 1 out of every 6 people are Chinese

7. The countries with the fastest increase are Islamic

8. In these 40 countries, the total population trebled between and 1998, so that 43% of their population are under 15

9. Between 1960 and 1990 the world’s population doubled

10. It took 433 years for the UK to double in size
It took Africa just 27 years!

11. On average women in the UK are having 1.6 children

12. In contrast women in Niger are having an average of 8 children

13. 95% of babies born each day are in LEDC’s

14. In Japan the average length of life is 82 years

15. In Lesotho the average length of life is just 38 years

16. Since the beginning of this presentation 344 babies have been born

17. Since the beginning of this presentation 109 people have died

18. The world’s population has grown by 235 in the last 2 minutes!

19. Task Think about what you have just read.
Write 5 bullet points to summarise the main trends.
What could be some of the problems if these trends continue?

20. Task Think about what you have just read.
Write 5 bullet points to summarise the main trends.
What could be some of the problems if these trends continue?

21. World Population Growth
Explosion

22. Add these statements to the correct place on the population line graph
The population explosion begins.
People die at an earlier age.
People are living longer.
People have poorer diets.
Healthcare improves in poor countries
The number of births is only slightly above the number of deaths.
There are less births than deaths in MEDCs.
Lots more houses are needed.

23. World Population Growth8 5 1 3 6 4 2 7

24. Use pages170 onwards or the glossary in the text book to help you.
Key words for the topic
In your exercise books write a definition for the following words:
birth rate
death rate
natural increase
infant mortality rate
life expectancy
population explosion
population pyramid
dependency ratio
demographic transition model
Use pages170 onwards or the glossary in the text book to help you.

25. How do we know how many people there are?

26. Believe it or not there are people who study population as a job.
These people are called DEMOGRAPHERS.
They help predict what will happen to the population in the future.

27. THE CENSUS
A census is a questionnaire issued by governments every 10 years.
The next census will take place this year,
The questionnaire asks about age, sex, ethnic group, religion and occupation.
Everyone must be included in the census by law.

28. Why do governments need population information to plan for the future?