Skyline Ranking

1. Hong Kong
2. New York City
3. Chicago
4. Singapore
5. São Paulo
6. Seoul
7. Dubai
8. Shanghai
9. Bangkok
10. Tokyo
11. Guangzhou
12. Moscow
13. Toronto
14. Shenzhen
15. Chongqing
16. Kuala Lumpur
17. Beijing
18. Rio de Janeiro
19. Mumbai
20. Macao
21. Osaka
22. Jakarta
23. Buenos Aires
24. Istanbul
25. Recife
26. Miami
27. Sydney
28. Panama City
29. Melbourne
30. Wuhan
31. Vancouver
32. Houston
33. Honolulu
34. Busan
35. Gold Coast City
36. London
37. Mexico City
38. Curitiba
39. Los Angeles
40. Tianjin
41. Atlanta
42. Caracas
43. Makati (Manila)
44. Las Vegas
45. St. Petersburg
46. Nanjing
47. San Francisco
48. Dallas
49. Paris
50. Santiago

Source: http://www.emporis.com/statistics/skyline-ranking