Most Economically Powerful Cities

1. Tokyo
2. New York
3. London
4. Chicago
5. Paris
6. Boston
7. Hong Kong
8. Osaka
9. Washington DC
10. Seoul
11. Sydney
12. Toronto
13. Beijing
14. Madrid
15. Sao Paulo
16. Mexico City
17. Melbourne
18. Singapore
19. Montreal
20. Vancouver
21. Vienna
22. Shanghai
23. Buenos Aires
24. Stockholm
25. Dublin

Source: http://www.theatlanticcities.com/jobs-and-economy/2011/09/25-most-economically-powerful-cities-world/109/#slide1