20
The 20 teams in the 2011 Cup were: Canada, Tonga, Japan, Georgia, New Zealand, Namibia, Samoa, France, South Africa, Ireland, Australia, Scotland, England, Fiji, Wales, Romania, Russia, USA, Argentina, Italy. There were 16 teams competing in the inaugural Cup in 1987. This was Russia's debut. The 2011 Cup was won by New Zealand.
