1. Dallas Dallas is 997 square kilometers with a population 1.4 Million people. The population density is approximately 1,398 people per square kilometer.

2. New York City New York City is about 789 square kilometers big. Within that population there are 8.3 Million people living There are about 10,452 people per square kilometer living

3. Moscow Moscow is 1,081 square kilometers in landmass There are 9,722 people per square kilometer How might an economic system impact a population of this magnitude?

4. Mexico City Mexico City has a land area of 1,485 square kilometers Within that city live 8.8 Million people The density of that city’s population is 5,985 people What problems can you imagine might be related to such a large population?

5. Sao Paulo The city is 1523 square kilometers and has a population of more than 11 Million people. Within that area there are 7,247 people per square kilometer

6. Karachi The city is 3,527 square kilometers with a population of 12.9 Million people. Within that area there are 3,683 people per square kilometer

7. Shanghai The city is 1,982 square kilometers and has a population of 13.8 Million people. Within this area there are 7,141 people living.

8. Tokyo This city is only 617 square kilometers yet 8.7 Million people live there. This creates a population density of nearly 14,254 people per square kilometer http://www.youtube.com/watch?v=N-X6dC2yrUc

9. Delhi This city is only 431 square kilometers and has a population of 12.5 Million people. There are an estimated 29,149 people per square kilometer.