Summer Olympic Games federal government; the country's economic crisis; health and safety concerns surrounding the Zika virus and significant pollution in the Guanabara Bay; and a state-sponsored doping scandal involving Russia, which affected the participation of its athletes in the Games. Tokyo, Japan will host the 2020 Summer Olympics, making it the first Asian city to host the Olympic Games twice. Forty-two sports, spanning 55 disciplines, have been part of the Olympic program at one point or another. Twenty-eight sports have comprised the schedule for three of the recent games, 2000, 2004, and 2008 Summer Olympics. Due to the removal of baseball and
Olympic Games about 10,500 competitors from 204 nations at the 2012 Summer Olympics. The scope and scale of the Winter Olympics is smaller. For example, Sochi hosted 2,873 athletes from 88 nations competing in 98 events during the 2014 Winter Olympics. During the Games most athletes and officials are housed in the Olympic Village. This village is intended to be a self-contained home for all the Olympic participants, and is furnished with cafeterias, health clinics, and locations for religious expression. The IOC allowed the formation of National Olympic Committees representing nations that did not meet the strict requirements for political sovereignty that