1. Why is it important to understand what the population structure is of different countries?

2. How do population pyramids help us learn about population?

3. How can we draw a population structure graph showing gender for a country?

4. The population pyramid displays the age
POPULATION STRUCTURE
The population pyramid displays the age
and sex structure of a country or given area
OLD DEPENDANTS
ECONOMICALLY
ACTIVE
YOUNG
DEPENDANTS
Population in
Five Year
Age bands
FEMALES
To the right
MALES
To the left
Usually, but not always,
In % to make for easier
comparisons
between countries

6. UK Population Pyramid
What does it show?
Why is it this shape?

7. Urban & Rural Pyramids

8. Slow and negative growth
Turn to p140 in Evolving Planet

9. Draw the UK’s population Pyramid
Age Range
Males
Females
0 - 4 3
2.7
5 - 9
3.2
3.8
3.4
2.8
2.6
3.9
4.2
3.6
3.3
2.5
2.4
2.3 2
2.1
1.6 1
1.8
0.2
90 and over
0.1
0.5
Use this data to draw a population pyramid for the UK – it is based on the most recent census data (2001).

10. How can you read a population pyramid?
COPY THIS DOWN INTO YOUR BOOKLETS!

11. Population pyramid for Calcutta
Complete task 4b on p11 of your booklets

12. What do population pyramids look like for different stages of the DTM?

13. Which population pyramid is for Germany, Kenya and USA?

14. Population Pyramids LEARNING OBJECTIVES
Be able to annotate population pyramids
Distinguish between an MEDC and a LEDC

15. What do they show?
Males are shown on the left.
Females are shown on the left.
Sex-ratio: the amount of males to females in a location

16. Age distribution of a country
What do they show?
Age categories split into 5 year stages
Age distribution of a country

17. What do they show?
Elderly population 65+ years of age
Children
0-14 years of age
Dependent Population: The population under the age of 15 and over 65

18. What do they show? Workforce
Economically Active: years old who have the potential to contribute economically

19. What do they show? In this country there is a high Birth Rate
There is also a high Death Rate.
In this country there is a high Birth Rate

20. What should you annotate?
Birth Rate: Is the BR increasing or decreasing
Sex-ratio: what is the male/female
ratio

21. Dependency Ratio The dependency ratio can be expressed as:
Population( u ) X 100
Population 15-65