Distribution map and number of players of Rugby union in the world, in 2007.
travail personnel (own work). Source :

background map : Image:BlankMap-World6, compact.svg by Lokal Profil and Canuckguy under licence Public Domain
data map : h_4_repartition_licencies.gif by Le Monde, itself from w:International Rugby Board and national federations.
Sémhur