MEN:
Teams qualified:
China (Host nation)
US (winner of the Pan American Games)
Croatia (winner of the World Championships )
Hungary (runner-up of the World Championships)
Spain (third of the World Championships)
Serbia (Champion of World League)
Australia (winner of Oceania series)
Montenegro (winner of European Water Polo Qualification Tournament)
Germany
Greece
Italy
Canada
WOMEN:
Teams qualified:
China (Host nation)
US (winner of the Pan American Games)
Australia (winner of Oceania series)
Netherlands(winner of European Water Polo Qualification Tournament)
Australia
Russia
Hungary
Italy
Greece
