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Population!.

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Presentation on theme: "Population!."— Presentation transcript:

1 Population!

2 Population Video

3 Looking at this picture of North America by night, where do most people live?

4 Population Density Population density is the number of people who live in an area per square kilometre

5 How do we calculate population density?
1) Find the population of a country 2) Find the area of the country’s land in km squared 3) Divide the number of people by the area

6 What are the top seven countries with the highest population density?

7 Top 7 1. Monaco 16,487 ppl per square km 2. Singapore 3. Malta
4. Bahrain 5. Maldives 6. Bangladesh 7. Barbados ppl per square km

8 What do you think the population density of the entire earth is?

9 And the answer is….. 49 per km squared

10 What do you think the population density of Canada is?

11 And the answer is…. 3.1 per km squared

12 For example, Canada in 2003 31,000,000 people 10,000,000 km squared = 3.1 people per km squared

13 What do you think the population density of Ottawa is?

14 And the answer is About 300

15 What are some problems of high population density?

16 Problems with high pop. density
Overcrowding Strain on resources (food, water, electricity) Pollution Security

17 What are some problems of low population density?

18 What are some problems of low population density?
Small selection of mates Less of a cultural experience Security (protection) Difficult to get certain items

19 Why do people live where they do
Why do people live where they do? What factors determine where people choose to settle?

20 Some Factors Include: Natural Resources > what natural resources are available in the area? (water, oil, gold etc.) Weather > most people like to be in warmer climates whenever possible Where is the work? > usually there are more jobs in the city….

21 Factors Continued… Risk of natural disasters > some areas of North America are more prone to flooding, earthquakes, etc. can you think of any examples? Where is your family + friends? > newcomers especially will go to areas where their family is, or where people from their native country are


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