Turkey competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. Since the nation's official debut in 1908, Turkish athletes have appeared in every edition of the Summer Olympic Games, except the 1920 Summer Olympics in Antwerp, the 1932 Summer Olympics in Los Angeles at the period of worldwide Great Depression, and the 1980 Summer Olympics in Moscow because of its support for the United States-led boycott.
Greece competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Greek athletes have competed in every Summer Olympic Games of the modern era, alongside Australia, France, Great Britain, and Switzerland. As the progenitor nation of the Olympic Games and in keeping with tradition, Greece entered first at the New National Stadium during the parade of nations at the opening ceremony. Like the other closing ceremonies before, the Greek flag was also raised during the closing ceremony alongside the Japanese and French flags.
Uzbekistan competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was the nation's seventh consecutive appearance at the Summer Olympics in the post-Soviet era.
Kuwait competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was the nation's thirteenth appearance at the Summer Olympics, although it competed under the Independent Olympic Athletes at the previous Games in 2016, resulting to the country's suspension by the International Olympic Committee for government interference.
Taiwan competed under the designated name "Chinese Taipei" at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was also the nation's tenth consecutive appearance at the Summer Olympics.
Guatemala competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's fifteenth appearance at the Summer Olympics since its debut in 1952, despite failing to register any athletes in three other editions.
Egypt competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's debut in 1912, Egyptian athletes have appeared in every edition of the Summer Olympic Games except 1932 and 1980, joining the United States-led boycott in the latter.
Thailand competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's official debut in 1952, Thai athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its support of the US-led boycott.
Hong Kong competed at the 2020 Summer Olympics in Tokyo, Japan, marking the territory's seventeenth appearance at the Summer Olympics since its debut as a British colony in 1952. More medals were won at the 2020 Summer Olympics by athletes representing Hong Kong than ever before, and Hong Kong also won its first gold medal since the handover back to China.
Algeria competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place in the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's debut in 1964, Algerian athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott. Unlike Algeria's previous successes in the Summer Olympics, they failed to secure a single medal.
Trinidad and Tobago competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. It was the nation's eighteenth appearance at the Summer Olympics, although it previously competed in four other editions as a British colony, and as part of the West Indies Federation.
Qatar competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's tenth consecutive appearance at the Summer Olympics.
Ivory Coast, also known as Côte d'Ivoire and officially as the Republic of Côte d'Ivoire, competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's fourteenth appearance at the Summer Olympics.
Uganda competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. Since the nation's official debut in 1956, Ugandan athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1976 Summer Olympics in Montreal because of its partial support of the African boycott.
Uruguay competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. Since the nation's official debut in 1920, Uruguayan athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its Uruguay's support to the United States-led boycott. Uruguay left the Olympics with no medals earned.
Tunisia competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. Since the nation's official debut in 1960, Tunisian athletes have appeared in every edition of the Summer Olympic Games, except the 1980 Summer Olympics in Moscow because of the nation's partial support for the US-led boycott.
Morocco competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. The 2020 Games were the nation's fifteenth appearance at the Summer Olympics.
Paraguay competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games have been postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's thirteenth appearance at the Summer Olympics, with the exception of the 1980 Summer Olympics in Moscow because of the nation's partial support for the US-led boycott.
Benin competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's twelfth appearance at the Summer Olympics, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott.
Saudi Arabia competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's twelfth appearance at the Summer Olympics.
