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

Bundesliga

Football League Championship

Eredivisie

Indian League

International Football

La Liga

League One

League Two

Ligue 1

Major League Soccer

North American Soccer League

Portuguese Liga

Premier League

Primera Division Argentina

Russian Premier League

Scottish Premiership

Segunda Division

Serie A

Superleague Greece

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.