1. Seoul, South Korea 10,231,217
2. São Paulo, Brazil 10,017,821
3. Bombay (Mumbai), India 9,925,891
4. Jakarta, Indonesia 9,112,652
5. Moscow, Russia 8,368,449
6. Istanbul, Turkey 8,274,921
7. Mexico City, Mexico 8,235,744
8. Shanghai, China 8,214,384
9. Tokyo, Japan 7,967,614
10. New York City, U.S. 7,380,906
11. Beijing, China 7,362,426
12. Delhi, India 7,206,704
13. London, U.K. 7,074,265
14. Cairo, Egypt 6,800,000
15. Teheran, Iran 6,750,043
16. Hong Kong, China 6,502,000
17. Bangkok, Thailand 5,882,000
18. Tianjin, China 5,855,044
19. Lima, Peru 5,681,941
20. Rio de Janeiro, Brazil 5,606,497
21. Bogotá, Colombia 4,945,448
22. Shenyang, China 4,669,737
23. Santiago, Chile 4,640,635
24. Calcutta, India 4,399,819
25. St. Petersburg, Russia 4,232,105
26. Wuhan, China 4,040,113
27. Guangzhou, China 3,935,193
28. Madras, India 3,841,396
29. Baghdad, Iraq 3,841,268
30. Pusan, South Korea 3,814,325
31. Singapore 3,737,000
32. Sydney, Australia 3,713,500
33. Caracas, Venezuela 3,672,779
34. Los Angeles, U.S. 3,553,638
35. Berlin, Germany 3,458,763
36. Alexandria, Egypt 3,380,000
37. Yokohama, Japan 3,319,815
38. Melbourne, Australia 3,189,200
39. Chongqing, China 3,127,178
40. Hyderabad, India 3,058,093
41. Ho Chi Minh City, Vietnam 3,015,743
42. Haerbin, China 2,990,921
43. Buenos Aires, Argentina 2,965,403
44. Chengdu, China 2,954,872
45. Ahmedabad, India 2,954,526
46. Ankara, Turkey 2,937,524
47. Xian, China 2,872,539
48. Madrid, Spain 2,866,850
49. Pyongyang, North Korea 2,741,260
50. Chicago, U.S. 2,721,547