There are 20 teams competing in the 2011 rugby world cup.
3 million worldwide. but have a lot of watchers
There are 13 players on the pitch in each rugby league side, as opposed to 15 in rugby union teams. The difference is in the forwards. Rugby union teams have 8, but rugby league teams survive with only 6.
20 teams this year!!
There are many sports websites that report on rugby teams. You can check Walesonline and BBC Sports for news specific to the Wales rugby teams of your interest.
There is no single Dublin rugby team. There are many rugby teams in Dublin.
None. a National team is one that covers all teams in one country
two teams of 15 players
the total teams is 103 registered with World Rugby (as of 2017)