Women's Premier League - Northern Ireland - was created in 2004.
Scottish Football League Premier Division was created in 1975.
Northern Premier League First Division was created in 1987.
League of Ireland First Division was created in 1985.
Northern Premier League Division One South was created in 2007.
FA Women's Premier League Southern Division was created in 1992.
Northern Premier League Division One North was created in 2007.
FA Women's Premier League Northern Division was created in 1992.
National Premier Soccer League was created in 2003.
There are 32. There are: Buffalo Bills, Miami Dolphins, New England Patriots, New York Jets, Baltimore Ravens, Cincinnati Bengals, Clevland Browns, Pittsburgh Steelers, Houston Texans, Indianopolis Colts, Jacksonville Jaguars, Tennesee Titans, Denver Broncos, Kansas City Chiefs, Oakland Raiders, San Diego Chargers, Dallas Cowboys, Washington Redskins, Philidelphia Eagles, New York Giants, Chicago Bears, Green Bay Packers, Minnesota Vikings, Detriot Lions, Atlanta Falcons, Carolina Panthers, New Orleans Saints, Tampa Bay Buccanerrs, Arizona Cardinals, St. Louis Rams, Seattle Seahawks, and San Francisco 49ers.
The division that Sunderland participates in is the Premier League in England.
The division that Aston Villa participates in is the Premier League in England.