The popularity of recruiting classes will go by next steps:
High recruiting on this class.
Medium recruiting on this class.
Low recruting on this class.
Very low recrtuing on this class.
Paladin
Mage
Druid
Shaman
Hunter
Warrior (Only protection)
Warlock
Rogue
Priest
if you are very low popularity on your class,you can still and welcome to leave your application on our forums. and good luck
.