Vietnam 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 tenth appearance at the Olympics as a reunified republic, six of which under the banner of the State of Vietnam or South Vietnam. The delegation finished without a medal for the first time since 2004 Summer Olympics.
Nicaragua 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, having competed at every Games since 1968 with the exception of the 1988 Summer Olympics in Seoul because of its partial support of the North Korean boycott.
Iraq 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. This was the nation's fifteenth appearance at the Summer Olympic Games since its debut in 1948.
Vietnam competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eleventh appearance at the Olympics as a reunified republic, although the Vietnamese athletes previously attended six other editions under the banner of the State of Vietnam or South Vietnam, except on two occasions: in 1976, as the result of an impact areas in the nation's warzones during the Vietnam War, and in 1984 due to the nation's support for the Soviet-led boycott. It was the second consecutive time Vietnam had failed to win any medals since the 2016 Summer Olympics. Like in 2020, Vietnam finished the Summer Olympics without a single medal earned.
Chile competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's debut in 1896, Chilean athletes have appeared in all but five editions of the Summer Olympics of the modern era. Chile did not attend the 1932 Summer Olympics in Los Angeles at the period of the worldwide Great Depression and was also part of the US-led boycott, when Moscow hosted the 1980 Summer Olympics.
Cuba competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twenty-second appearance at the Summer Olympics. The 2024 Cuban delegation was smaller than their 2020 delegation, which was previously their smallest delegation since 1964. It was also the second time since 1964 that the Cuban delegation had fewer than one hundred athletes.
Peru competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1936, Peruvian athletes have appeared in every edition of the Summer Olympic Games, except for Helsinki 1952.
Switzerland competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Swiss athletes have appeared in every Summer Olympic Games edition of the modern era, except for a partial boycott of Melbourne 1956 in protest of the Soviet invasion of Hungary.
Taiwan, participating under the name Chinese Taipei, competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the country's eleventh consecutive appearance at the Summer Olympics.
Iran competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's return in 1948 after having made their debut in 1900, Iranian athletes have appeared in every edition of the Summer Olympic Games except for Moscow 1980 and Los Angeles 1984, citing political reasons.
Kingdom of Thailand competed at the 2024 Summer Olympics in Paris. It is taking place from 26 July to 11 August 2024. It signified the nation's participation in every edition of the Summer Olympics, since the official debut at 1952, except for the 1980 Summer Olympics in Moscow, because of its support of the US-led boycott.
Morocco competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's sixteenth appearance at the Summer Olympics, except Moscow 1980, as part of the United States-led boycott.
Azerbaijan competed at the 2024 Summer Olympics in France, scheduled to take place from 26 July to 11 August 2024. It will be the nation's eighth consecutive appearance at the Summer Olympics in the post-Soviet era.
Turkey, officially named Türkiye by the IOC, competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1908, Turkish athletes have appeared in every edition of the Summer Olympic Games, except for three occasions: Antwerp 1920, because of the sanction against the Central Powers including the Ottoman Empire, Los Angeles 1932 at the period of worldwide Great Depression, and Moscow 1980, as part of the United States-led boycott. Notably, the 2024 Summer Olympics marked the first time since 1984 that Turkey did not secure at least one gold medal.
Kuwait competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's fourteenth appearance at the Summer Olympics, although it competed under the Independent Olympic Athletes at the previous Games in 2016, resulting from the country's suspension by the International Olympic Committee for government interference.
Libya competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's thirteenth appearance at the Summer Olympics, since the nation's official debut at 1964.
Nepal competed at the 2024 Summer Olympics in Paris, France, from 26 July to 11 August 2024. It was the nation's fifteenth appearances at the Summer Olympics, since the official debut in 1964. Nepal has never won a single Olympic medal in its Olympics history.
Monaco competed at the 2024 Summer Olympics in Paris, which is scheduled to take place from 26 July 2024 to 11 August 2024. It was the nation's twenty-second appearance at the Summer Olympics.
El Salvador competed at the 2024 Summer Olympics in Paris, France from 26 July to 11 August 2024. The nation made its official Olympic debut at the 1968 Summer Olympics in Mexico City, Mexico. Salvadoran athletes have participated in every Games of the Olympiad since that time, excluding those held in 1976 and 1980, when the nation joined the American-led boycott in protest of the Soviet invasion of Afghanistan.
Bangladesh competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. This was the nation's eleventh appearance at the Summer Olympics since its official debut at the 1984 Summer Olympics. Bangladesh failed to win a medal at the Paris Olympics 2024. Bangladesh has never won a single medal in its history of Olympic games.
