United States is the country with the largest number of current champions in the World Boxing Association, with six champions.

The list starts with the unified light heavyweight Bernard Hopkins. Followed by the super middleweight super champion Andre Ward; then, the super welterweight super champion Floyd Mayweather Jr who is also the unified welterweight 147 pounds, where Keith Thurman King holds the interim belt.

Ends the U.S. group, Danny Garcia and Jesse Vargas who are the super champion and champion of the 140 pounds.

Britain has the unified super middleweight Carl Froch, super bantamweight champion Scott Quigg, and in 122 pounds Jamie McDonnell who just won the title.

Ukraine, Argentina, Russia, Cuba, Venezuela, Japan and Mexico have two champions each, while Germany, Kazakhstan, Philippines, Jamaica, Costa Rica, Panama, Thailand, South Africa and Peru have only one each.