Yet Another List of the Top Global Cities

1. New York
2. London
3. Paris
4. Tokyo
5. Brussels
6. Los Angeles
7. Singapore
8. Beijing
9. Toronto
10. Berlin
11. Chicago
12. Washington DC
13. Seoul
14. Frankfurt
15. Sydney
16. San Francisco
17. Hong Kong
18. Shanghai
19. Mexico City
20. Bangkok
21. Moscow
22. Zurich
23. Munich
24. Taipei
25. Sao Paulo
26. Buenos Aires
27. Istanbul
28. Milan
29. Boston
30. Miami
31. Cairo
32. Dubai
33. Kuala Lumpur
34. Tel Aviv
35. Bogota
36. Rio de Janeiro
37. New Delhi
38. Mumbai
39. Jakarta
40. Johannesburg

Source: http://www.knightfrank.com/wealthreport/2011/global-cities-survey/