Rio 2016 Summer Olympics in Numbers
Four years since London 2012, Rio de Janeiro of Brazil is the hosting city of the 2016 Olympic Games. Over 10,000 sports athletes from 206 nations will be competing for the gold medals of the 31st Olympiad. Since the Summer Games officially begun, here are some exciting facts and numbers about the very first Olympics organised in South America. See also 50 Interesting Facts about the Winter Olympics.