1. Population Geography

2. Population National Geographic - 7 billion
National Geographic - Are You Typical?

3. Key Terms Demography – The statistical study of human populations.
Population – The total number of people living in a given area.
Population Density – The average number of people living in a given area. (persons per square mile)
Arithmetic v. Physiologic

4. Birthrate – Number of live births each year per 1,000 people.
Death Rate – Number of deaths each year per 1,000 people.
Immigrants – People who move into a country
Emigrants – People who leave a country to live elsewhere

5. Pull Factors – Things that attract people to live in a new location.
Push Factors – Things cause people to leave a location.
Urbanization – the movement of people from the countryside to cities (growth of cities)
Rural – Of, or relating to the countryside.

6. Population Patterns in the United States

7. Pop. Density in U.S. Counties
Loving, TX Forest, WI Blue Earth, MN Honolulu, HI San Francisco, CA Manhattan, NY
0.10 p/sq. mi ,448 16,256 67,255

9. Top 10 Most Populous Cities in the US
10. San Jose, CA 9. Dallas, TX 8. San Diego, CA All of these cities 7. San Antonio, TX range from Phoenix, AZ million. 5. Philadelphia

10. 4. Houston, TX – 2. 1 mil 3. Chicago, IL – 2. 7 mil 2
4. Houston, TX – 2.1 mil 3. Chicago, IL – 2.7 mil 2. Los Angeles, CA – 3.9 mil 1. New York City, NY – 8.5 mil

11. Most Populous States
10. NC 9. MI 8. GA 7. OH 6. PA 5. IL 4. FL 3. NY 2. TX 1. CA – app. 38 million

12. Least Populous States
#1 – Wyoming – 576,000 #2 – Vermont #3 – North Dakota #4 - Alaska

13. World Population Patterns

17. Population Pyramids
Shows the age & sex distribution of a population
Shows the history of a country’s population growth—Ex. Baby Boom Generation in U.S.

18. A country’s population pyramid can show 1 of 3 types of growth
Rapid growth-wide at the base (Ex: Haiti) …looks like a true pyramid
Slow growth- straight up and down or a little wider at base than top (Ex: US)
Negative growth-broader at top than bottom (Ex: Germany)

22. Brainstorming
Reasons why some countries have high birth rates? (Have lots of children?)
Reasons for high death rates?
Reasons why some countries have low death rates? (Have few or no children?)
Reasons for low death rates?

25. Changing China