How Many Professional Soccer Leagues Are There?
There are 21 professional soccer leagues around the world. The biggest of these is the International Football League, which bases participation on a per-country basis.
The list of professional soccer leagues is as follows:
A-League Australian Football
Football League Championship
Major League Soccer
North American Soccer League
Primera Division Argentina
Russian Premier League
UEFA Champions League
The league in the United States is Major League Soccer (MLS), and it is ranked seventh in popularity among the world's leagues.