Zambia 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 fourteenth appearance at the Summer Olympics, although it marked its official debut in 1964 under the name Northern Rhodesia.
France was the host nation of the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. French athletes have appeared in every Summer Olympic Games of the modern era, alongside Australia, Great Britain, Greece, and Switzerland.
Australia competed at the 2024 Summer Olympics at Paris from 26 July to 11 August 2024. Australian athletes have appeared in every Summer Olympic Games of the modern era, alongside France, Great Britain, Greece, and Switzerland. As Brisbane will stage the 2032 Summer Olympics, Australia and the United States, the next nation to host the 2028 Summer Olympics in Los Angeles, marched before the homebound French team entering the Place du Trocadéro during the parade of nations segment of the opening ceremony.
Germany participated at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eighteenth consecutive appearance at the Summer Olympic Games, except for 1920 and 1924 due to the nation's role in World War I, and 1948 for the nation's role in World War II. From 1956 through 1964, Germans competed as part of the United Team of Germany (UTG); in 1968, the team was split into two teams West Germany and East Germany. West Germany boycotted the 1980 games as part of the American-led boycott, and then returned in 1984. East Germany boycotted the 1984 games as part of the Soviet-led boycott, and in 1988, East Germany returned for the last time. One year after the fall of the Berlin Wall, West and East Germany re-united as one country with their reunification in 1990, and it has participated in every Summer Olympics since 1992 games in Barcelona.
Japan, the previous host of the 2020 Olympics at Tokyo, competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Japanese athletes have appeared in every edition of the Summer Olympic Games from 1912 onwards, except for two occasions: the 1948 Summer Olympics in London, to which they were not invited because of the nation's role in World War II, and the 1980 Summer Olympics in Moscow, due to their participation in the United States-led boycott.
Colombia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's twenty-first appearance at the Summer Olympics except for Helsinki 1952.
Dominican Republic competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's sixteenth consecutive appearance at the Summer Olympics.
The United States of America (USA), represented by the United States Olympic & Paralympic Committee (USOPC), competed at the 2024 Summer Olympics in Paris from July 26 to August 11, 2024. U.S. athletes have appeared in every Summer Olympic Games of the modern era, except for the 1980 edition in Moscow, when America led a sixty-six-nation boycott in protest of the Soviet invasion of Afghanistan. As Los Angeles is hosting the 2028 Summer Olympics, the United States marched penultimately before the homebound French team entered Place du Trocadéro during the parade of nations segment of the opening ceremony. Additionally, an American segment featuring H.E.R. and Tom Cruise from Paris, and the Red Hot Chili Peppers, Billie Eilish, Snoop Dogg, and Dr. Dre from Long Beach, was performed during the closing ceremony.
Argentina competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1900, Argentine athletes have competed in every edition of the Summer Olympic Games except for three occasions: the sparsely attended St. Louis 1904 and Stockholm 1912; and Moscow 1980 as part of the United States-led boycott.
Paraguay competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's seventeenth appearance at the Summer Olympics. It is the nation's fourteenth straight appearance at the Summer Olympics, except for the 1980 edition in Moscow, because of the nation's partial support for the US-led boycott. Paraguay has yet to earn its first Olympic gold medal; César Almirón was disqualified from the repechange in the Men's 200 m, and Paraguay were eliminated by Egypt in the quarterfinals in football 4-5 on penalty kicks.
New Zealand competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the country's twenty-fifth appearance as an independent nation at the Summer Olympics, having made its debut at the 1920 Summer Olympics in Antwerp and competed at every Games since. It is New Zealand's most successful Olympic Games, matching their previously highest medal total of 20 from the 2020 Summer Olympics in Tokyo, and breaking their previous Gold medal total of 8 from the 1984 Summer Olympics in Los Angeles.
Spain competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Spanish athletes have appeared in every edition of the Summer Olympic Games from 1920 onwards, except for the 1936 Summer Olympics in Nazi Germany because the nation's government was part of the anti-fascist boycott.
Ukraine competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eighth consecutive appearance at the Summer Olympics in the post-Soviet era and the first since the Russian invasion of Ukraine. A total of 140 athletes competed amid the Russian invasion, the lowest number in the history of Ukraine's participation in the games.
Egypt competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's debut in 1912, Egyptian athletes have appeared in every edition of the Summer Olympic Games except for two occasions: the 1932 Summer Olympics in Los Angeles because of the worldwide Great Depression and the 1980 Summer Olympics in Moscow, as part of the United States-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.
Nigeria competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation made its debut in Helsinki 1952, Nigerian athletes have appeared in every edition of the Summer Olympic Games, except for Montreal 1976 as part of the Congolese-led boycott.
Mali competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It has participated in every edition of the summer Olympics since the nation's official debut in 1964, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott.
Uzbekistan competed at the 2024 Summer Olympics in Paris, which took place from 26 July 2024 to 11 August 2024. It was the nation's eighth consecutive appearance at the Summer Olympics in the post-Soviet era.
Iraq competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's sixteenth appearance since its debut in 1948 at the Summer Olympics.
Guinea competed at the 2024 Summer Olympics in Paris, France, from 26 July to 11 August 2024. It was the nation's thirteenth appearance at the Summer Olympics, dating back to their official debut in 1968.
Rhodesia (1960)
