http://homepages.ipact.nl/~egram/skylines.html
How many North American cities are in the top 10?
[1]*1 108672 Hong Kong China 3596 Union Square phase 7 (484m, u/c)
[2]*2 35319 New York (incl. Jersey City, Guttenberg) USA 866 One World Trade Center (417m, destroyed)
[3]*3 16784 Tokyo Japan 523 Mid Town Tower (248m, u/c)
[4]*4 14843 Shanghai China 428 Shanghai World Financial Center (492m, u/c)
[5]*5 14579 Chicago USA 327 Sears Tower (442m)
[6]*6 11889 Bangkok Thailand 410 Baiyoke Tower II (304m)
[9]*7 11781 Dubai UAE 177 Burj Dubai (705m, u/c)
[10]*8 8027 Seoul South Korea 356 Tower Palace 3, Tower G (264m)
[7]*9 7692 Singapore Singapore 295 Republic Plaza (295m)
[8]*10 7343 Kuala Lumpur Malaysia 202 Petronas Tower I (452m)
[11]*11 6778 Shenzhen China 184 Shun Hing Square (384m)
[12]*12 6445 Chongqing China 235 Wanhao Financial Center (357m, u/c)
[17]*13 6163 Guangzhou China 155 CITIC Plaza (391m)
[13]*14 5940 Manila (incl. Makati, Mandaluyong, Ortigas, Quezon City) Philippines 174 PBCOM Tower (259m)
[14]*15 5531 Toronto (inc. Mississauga) Canada 241 First Canadian Place (298m)
[16]*16 4609 Houston USA 107 JP MorganChase Tower (305m)
[15]*17 4599 Sydney (incl. Bondi, North Sydney, Chatswood) Australia 134 Chifley Tower (244m)
[18]*18 4536 Osaka (incl. Izumisano) Japan 112 Rinku Gate Tower (256m)
[20]*19 4460 Moscow Russia 124 Federation, Tower A (345m, u/c)
[27]*20 4170 Miami (incl. Miami Beach) USA 103 Met 3 (264m, u/c)