1. Population Pyramids

2. Purpose of a Pyramid
A visual representation of the population of a country.
graphically display a population's age and gender composition
show numbers or proportions of M and F in ea. age COHORT
show gains of members due to immigration and birth, and loss of members due to emigration and death
reflect population growth or decline
 AKA: pop. structure/diagram, age-sex structure/diagram,

4. Dependency Ratio

5. Follow Historical Events & Make Predictions

6. Interpreting the Shape
There main types of pyramids
Rapid growth
Slow growth
Negative growth
Shape of rapid
growth
Shape of
Slow growth
Shape of negative
growth

7. High, Slow & Negative Growth

8. Rapid Growth

9. Rapid Growth Pyramids Have a large base to show high birth rates
Amt of ppl decreases as the ages go up  a lower standard of living
Associated with developing countries
Haiti, Uganda, Cape Verde
Similar to Stages 2-3
What are issues these countries will face?

10. Slow Growth

11. Slow Growth Pyramids Take on a more rectangular shape
Indicates population is remaining fairly steady
Birth rates and death rates are similar excellent health care
Associated with developed countries
UK, USA, Canada
Similar to Stage 4
What are issues these countries will face?

12. Negative Growth

13. Negative Growth Pyramids
Looks like a reverse pyramid
Indicates the population of the country is decreasing
Death rates are higher than birth rates
Older population, not having kids
Emigration
Often associated with developed countries
Russia, Japan, Italy
Similar to Stage 5
What are issues these countries will face?

14. Soviet Union WWI- 1914-1918 December 1934
1,700,000 military dead
December 1934
Stalin began a period of purging and terror that lasted until 1939 and was marked by the execution of virtually the entire political and military elite.
Enemies of the State

15. Soviet Union
How would you determine how World War I impacted the male population?
What age group was impacted by Stalin’s purges?

16. Cambodia
April 17th, 1975 the Khmer Rouge, a communist guerrilla group led by Pol Pot, took power in Phnom Penh, the capital of Cambodia. During their rule, it is estimated that 2 million Cambodians died by starvation, torture or execution.

17. Cambodia
How did the rule of the Khmer Rouge impact Cambodia’s population?
When did this occur?

18. South Africa

21. DEMOGRAPHIC TRANSITION MODEL!!
Get out a pen and about 4-5 colors (pencils, highlighters, etc)

23. DTM- Quick Thoughts No one lives here anymore Sanitation & medical
All about girls
Rich kids
No more kids
Hans Rosling: “Religion & Babies”
Hans Rosling: Global Pop. Growth

24. Immigration Research
On my Weebly will be an assignment that will send you to about 4 websites
Instructions and hyperlinks are given on the assignment
Certain paragraphs need to be written in one Word document and uploaded to turnitin.com
Due Thursday, 2/4 at 11:59pm
We will have a class debate/discussion on 2/5 where you will need to speak

26. Pyramid Match-Up Australia Canada Greece France Egypt Gaza Strip
Jordan
Yemen
South Korea
Philippines
Japan
Sierra Leone
Afghanistan
Russia
Italy
Bolivia
Malaysia
United Kingdom
United States
Italy
Cape Verde
Cambodia
Vietnam
China
Russia
Switzerland
Iraq
Singapore
Germany
Argentina
United Arab Emirates
Israel
Libya
Ukraine
Brazil
Italy (2009)