Well there are 95 countries on the official IRB World Rankings according to this webpage: http:/www.irb.com/rankings/full.html
Union
The number is normally associated with the players playing position
No. Rugby Union = 15 players Rugby League = 13 players
Rugby Union.......
rugby league
number 7
The Bledisloe Cup is contested by the Australias rugby union team and New Zealands rugby union team.
Rugby union was :) the rugby union club i captain is the oldest rugby club in the world
two
In rugby union the number fifteen jersey is worn by the fullback.
Yes. Australia has a larger population and both countries have roughly equal proportions of rugby players amongst them.
There are 13 players on a Rugby league team compared to 15 on a rugby union team.