Summer Olympic Games when Tokyo again becomes host city. Historically, the Summer Olympics has been held predominantly in English-speaking countries and European nations. Tokyo will be the first city outside these regions to have hosted the Summer Olympics twice; it will also be the largest city ever to have hosted the Games, having grown considerably since 1964. The 2016 Games in Rio de Janeiro, Brazil, were the first Summer Olympics to be held in South America and the first that were held during the local winter season. The only two countries in the Southern Hemisphere to have hosted the Summer Olympics have been
Olympic Games with a broad base of television viewers. Finally, the American television lobby, namely NBC, was able to dictate when certain events were held so that they could be broadcast live during prime time in the United States, such as swimming and figure skating. The results of these efforts were mixed: ratings for the 2006 Winter Games were significantly lower than those for the 2002 Games, while there was a sharp increase in viewership for the 2008 Summer Olympics, and the 2012 Summer Games, where live broadcast in prime time on NBC were little, became the most watched event in US