Bulgaria competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's seventeenth appearance at the Summer Olympics, except for three occasions, including the 1948 Summer Olympics in London due to the nation's role in World War II and 1984 Summer Olympics in Los Angeles because of the Soviet boycott. The Bulgarian Olympic Committee sent 95 athletes, 49 men and 46 women, to compete in 19 sports. Shooting champion and four-time Olympian Mariya Grozdeva became the nation's first ever female flag bearer in the opening ceremony.
Zimbabwe competed at the 2012 Summer Olympics in London, UK from 27 July to 12 August 2012. This was the nation's ninth consecutive appearance at the Olympics, after gaining its independence from the former Rhodesia.
Zimbabwe competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's tenth consecutive appearance at the Olympics, after gaining its independence from the former Rhodesia.
Zimbabwe 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 is the nation's tenth consecutive appearance at the Summer Olympics as an independent nation under the name Zimbabwe, after appearing as Southern Rhodesia and Rhodesia in the colonial era.
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.
Denmark competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Danish athletes have appeared in every edition of the Summer Olympic Games except for the sparsely attended St. Louis 1904. Before the start of the games, DIF sat an official medal goal of 9–11 medals for the 2024 Paris games.
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.
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.
Norway competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Norwegian athletes have appeared in every edition of the Summer Olympic Games, except for the 1980 Summer Olympics in Moscow because of the country's support for the United States-led boycott.
Singapore competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eighteenth appearance at the Summer Olympics since its debut at the 1948 Games. Singapore has competed in every edition since except 1964 in Tokyo, as part of the Malaysian team, and 1980 in Moscow, because of its support for the United States boycott.
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.
Hong Kong, competing as "Hong Kong, China" competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the territory's eighteenth appearance at the Summer Olympics since its debut as a British colony in 1952, and the seventh appearance at the Summer Olympics since the sovereignty of Hong Kong was returned to the People's Republic of China (PRC) in 1997.
Kazakhstan 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.
Uganda competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1956, Ugandan athletes have appeared in every edition of the Summer Olympic Games, except for Montreal 1976 as part of the Congolese-led boycott.
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.
Bermuda competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1936, Bermudian athletes have appeared in every edition of the Summer Olympic Games, but did not attend the 1980 Summer Olympics in Moscow because of the nation's support for the US-led boycott.
Togo competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation made its debut in 1972, Togolese athletes participated in every edition of the Summer Olympic Games, except for two occasions, the 1976 Summer Olympics in Montreal, and the 1980 Summer Olympics in Moscow because of the African and the US-led boycotts, respectively.
Nicaragua competed at the 2024 Summer Olympics in Paris, France from 26 July to 11 August 2024. It was the nation's fifteenth 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.
