Ignoring spurious belts like secondary, interim, and franchise there are 18 current southpaw world titlists:
Billy Joe SaundersENG WBO Super-Middle
Demetrius Andrade USA WBO Middle
Patrick TeixeiraBRA WBO Super-Welter
Errol Spence JnrUSA IBF/WBC Welter
Terence CrawfordUSA WBO Welter
Manny Pacquiao PHI WBA Welter
Josh TaylorSCO WBA/IBF S-Light
Gervonta DavisUSA WBA S-Feather
Joseph Diaz USA IBF S-Feather
Jamel Herring USA WBO S-Feather
Gary Russell Jnr USA WBC Feather
Luis NeryMEX WBC S-Bantam
Murodjon AkhmadalievUZB WBA/IBF S-Bantam
Nordine Oubaali FRA WBC Bantam
Jerwin AncajasPHI IBF Super-Fly
Junto Nakatani JAP WBO Fly
Pedro Taduran PHI IBF Straw
Wilfredo MendezPR WBO Straw
There have been 265 southpaw world champions from 46 different countries with the leading countries being USA, 72, Mexico, 24, Philippines, 21, Japan, 20 and Thailand, 18.
