7–21 August 2016 was when it was held . 12 were the number of teams who competed in Men's welterweight boxingat the Games of the XXXI Olympiad . Men's welterweight boxingat the Games of the XXXI Olympiad was established on 2005 . 12 events were there in Men's welterweight boxingat the Games of the XXXI Olympiad . The venue for Men's welterweight boxingat the Games of the XXXI Olympiad was North Greenwich Arena . 200 from 43 nations competed in Men's welterweight boxingat the Games of the XXXI Olympiad
205 people competed in the Men's welterweight boxingat the Games of the XXXI Olympiad