As much Cosplay as we post you'd think I would have heard about this, but it looks like it's only about four or five years old. Here's the results along with some pictures of this years World Cosplay Summit.
The Winner - Italy
2nd - USA
3rd - Thailand
Special Jury Awards
Cyperous Award (Best Wig)
Japan
Nico Nico Award (Online popular votes from live streaming viewers)
Italy
Joysound Award (Best Sound Effects)
China
Anistar Award (Best Performance)
Korea
Brother Award (Best Costume)
USA
Via SG Cafe