Bids for the 2020 Summer Olympics (London 2012). Out of the six bidders, Tokyo had previously hosted the Summer Olympic Games in 1964. The other four bidders have made bids in the past. It is the first time in 20 years that no city in the Americas bid to host the Summer Olympic Games. Rio de Janeiro was awarded the 2016 Summer Olympics. Baku and Doha bid for the 2016 Games but failed to become candidate cities, while Tokyo and Madrid also bid for the 2016 Games and became candidate cities. The IOC voted to select the host city of the 2020 Summer Olympics on 7
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