200 from 43 nations competed in Men's welterweight boxingat the Games of the XXXI Olympiad . 7–21 August 2016 was when it was held . The no. of events in sport was 12 . 12 teams competed in 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  . North Greenwich Arena were the venues of Men's welterweight boxingat the Games of the XXXI Olympiad
There were more than 2 events in Men's welterweight boxingat the Games of the XXXI Olympiad