200 from 43 nations were the competitors 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 . The no. of events in sport was 12 . 12 teams competed in Men's welterweight boxingat the Games of the XXXI Olympiad . It was held in 7–21 August 2016
200 people competed in the Men's welterweight boxingat the Games of the XXXI Olympiad