200 from 43 nations were the competitors in Men's welterweight boxingat the Games of the XXXI Olympiad . North Greenwich Arena were the venues of Men's welterweight boxingat the Games of the XXXI Olympiad . 2005 is when Men's welterweight boxingat the Games of the XXXI Olympiad was founded  . 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 . 12 events were there in Men's welterweight boxingat the Games of the XXXI Olympiad
In the year 2020 the sport was played for the first time