Top 100 Cities, version 18

This is basically a tweak of version 16

1. Tokyo/Yokohama ($1479)
2. New York (1281 was 1056)
3. Los Angeles/Riverside/Ventura  (882 was 766)
4. Paris (695)
5. Osaka/Kobe/Kyoto (618)
6. London (592)
7. Chicago (532 was 574)
8. Seoul/Incheon (560)
9. Nagoya (Chukyo) (558)
10. Washington/Baltimore (570 was 466)
11. Rhine-Ruhr (420)
12. San Francisco/San Jose (495 was 409)
13. Mexico City (390)
14. Sao Paulo (388)
15. Buenos Aires (362)
16. Moscow (321)
17. Houston (385 was 316)
18. Dallas/Ft. Worth (374 was 315)
19. Milan (306)
20. Philadelphia (347 was 295)
21. Boston (314 was 275)
22. Randstad (274)
23. Shanghai (270)
24. Singapore (260)
25. Toronto (253)
26. Hong Kong (243)
27. Atlanta (272 was 242)
28. Brussels (Flemish Diamond) (178 was 239)
29. Miami (258 was 232)
30. Beijing (222)
31. Sydney (213)
32. Mumbai (209)
33. Rio de Janeiro (201) 
34. Detroit (198)
35. Madrid (185)
36. Seattle (231 was 182)
37. Istanbul (182)
38. Frankfurt (180)
39. Taipei-Keelung (178)
40. Fukuoka (175)
41. Melbourne (172)
42. Minneapolis/St. Paul (200 was 171)
43. Guangzhou (Canton) (169)
44. Delhi/New Delhi (167)
45. Johannesburg/East Rand (164)
46. Phoenix (191 was 160)
47. Dubai (154)
48. Shenzhen (151)
49. Munich-Augsburg (149)
50. Manila (149)
51. Montreal [148]
52. Denver-Boulder [176 was 147]
53. San Diego [172 was 146]
54. Suzhou (145)
55. Cairo [145]
56. Tianjin (145)
57. Hamburg [141]
58. Barcelona [140]
59. Rome [138]
60. Berlin [137]
61. Brisbane [137]
62. Naples (133)
63. Athens [128]
64. Tehran [127]
65. Chongqing [125]
66. Vienna/Bratislava [122]
67. Tel Aviv [122]
68. Busan, South Korea [121]
69. Santiago, Chile [120]
70. Birmingham,UK [119]
71. Bangkok [119]
72. Stuttgart [118] 
73. St. Louis [130 was 116]
74. Kuwait City [115]
75. Brasilia [110]
76. Lima, Peru [109]
77. Riyadh [107]
78. Charlotte NC [114 was 106]
79. Kolkata [104]
80. Perth, Australia [104]
81. Cape Town, South Africa [103]
82. Pittsburgh [116 was 102]
83. Monterrey, Mexico [102]
84. Tampa/St. Petersburg [114 was 101]
85. Stockholm [101]
86. Bogota, Colombia [100]
87. Copenhagen [99]
88. Cleveland [106 was 99]
89. Lisbon [98]
90. Portland [125 was 96]
91. Vancouver [95]
92. Hangzhou [94]
93. Jakarta, Indonesia [92]
94. St. Petersburg, Russia [91]
95. Kansas City [106 was 91]
96. Cincinnati [101 was 91]
97. Wuxi (91)
98. Orlando [104 was 89]
99. Dublin [89]
100. Qingdao [89]

Update 5/26/12:  I changed the GDP of the US cities but didn't change any rankings.