Global city rankings 2012 by A.T. Kearney (consulting firm):
(1) New York
(2) London
(3) Paris
(4) Tokyo
(5) Hong Kong
(6) Los Angeles
(7) Chicago
(8) Seoul
(9) Brussels
(10) Washington D.C.
...
(15) Boston
(16) Toronto
(17) San Francisco
(30) Montreal
(36) Miami
(38) Houston
(39) Atlanta
The ranking takes into account: business activity, cultural experience, human capital, political engagement and information exchange.
The British market research firm Ipsos Mori have their own top 20 ranking which has three categories: work, rest, play:
(1) New York
(2) London
(3) Paris
(4) Abu Dhabi
(5) Sydney
(6) Zurich
(7) Tokyo
(8) Hong Kong
(9) Los Angeles
(10) Rome
...
(12) Toronto
(17) Washington
Richard Florida (invented the "creative class" concept on which the "creative city" idea is based on) did a top 20 list with The Atlantic in 2012.
(1) New York
(2) London
(3) Tokyo
(4) Paris
Hong Kong
(6) Chicago
(7) Singapore
(8) Shanghai
(9) Los Angeles
(10) Zurich
...
(11) Boston
(14) Washington
(18) Toronto
Common theme: NYC is no.1 worldwide, L.A. and Chicago toe-to-toe for no.2 in N. America. Washington, Toronto, Boston, S.F. all relevant but well behind the top three.