World's Most Densely Populated Cities

1. Shanghai - 17,836,133

2. Karachi - 12,991,000

3. Istanbul - 12,946,730

4. Delhi - 12,565,901

5. Mumbai - 12,478,447

6. Beijing - 11,716,000

7. Moscow - 11,551,930

8. São Paulo - 11,244,369

9. Seoul - 10,575,447

10. Shenzhen - 10,357,938