1. What is Population Density?

2. The number of people living in a specified area
What is Population Density?
The number of people living in a specified area

3. World Population Distribution Dot Map

5. Satellite Monitoring of Artificial Light
Make note of the “Developed World”

7. World Population Cartogram

8. Cultural Hearths of Civilization

9. Mesopotamia: Cultural Hearth

10. International Density Comparisons

11. Major City Density Comparisons

12. What is a mega-city?

13. A mega-city is a city with more than 10 million people
What is a mega-city?
A mega-city is a city with more than 10 million people

14. How many mega-cities are in the world today?

15. How many mega-cities are in the world today?35
(There were 17 in 2000)

16. ?