Senegal competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's eleventh appearance at the Olympics.
Guyana competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fourteenth appearance at the Olympics as an independent nation, although it had previously competed in five other games as British Guiana. Guyana did not compete in the 1976 Summer Olympics in Montreal because of its partial support for the African boycott.
Chile competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This nation has competed at every Olympic Games, except the 1932 Summer Olympics in Los Angeles, and the 1980 Summer Olympics in Moscow because of the United States boycott.
Slovenia competed at the 2012 Summer Olympics in London, United Kingdom. This was the nation's sixth consecutive appearance at the Summer Olympics. The Slovenian Olympic Committee sent the nation's third-largest delegation ever to the Games. A total of 65 athletes, 28 men and 37 women, competed in 15 sports. For the first time in its Olympic history, Slovenia was represented by more female than male athletes. Slalom kayaker and multiple-time world champion Peter Kauzer was the nation's flagbearer at the opening ceremony. The London Games also featured Slovenia's Olympic debut in triathlon.
Guyana competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's sixteenth appearance at the Olympics as an independent nation, although it had previously competed in five other games as British Guiana. Guyana did not compete in the 1976 Summer Olympics in Montreal because of its partial support to the African boycott.
Guyana competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventeenth appearance at the Summer Olympics as an independent state, although it had previously represented in five other editions under the name British Guiana. Guyana joined the African-led boycott of the 1976 Summer Olympics in Montreal.
Luxembourg 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 1900, Luxembourg athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1904 and 1908 Summer Olympics, and the 1932 Summer Olympics in Los Angeles at the period of the worldwide Great Depression.
Guyana 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 eighteenth appearance at the Summer Olympics as an independent state, although it had previously represented in five other editions under the name British Guiana. Guyana joined the African-led boycott of the 1976 Summer Olympics in Montreal.
Syria 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 since its debut in 1948.
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.
Slovakia 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 after gaining its independence from the former Czechoslovakia.
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.
South Korea, officially the Republic of Korea, competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's nineteenth appearance at the Summer Olympics.
Portugal competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the 26th consecutive participation of the nation in the Summer Olympic Games since their debut at the 1912 Summer Olympics in Stockholm.
Belgium is scheduled to compete at the 2024 Summer Paralympics in Paris, France from 28 August to 8 September.
Senegal 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.
Luxembourg competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It signified the nation's participation at the Summer Olympics in all editions, since the official debut in 1900, except for three occasions: St. Louis 1904, London 1908, and Los Angeles 1932 at the period of the worldwide Great Depression.
Cameroon 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. Cameroon did not win any medals.
Egypt is scheduled to compete at the 2024 Summer Paralympics in Paris, France from 28 August to 8 September. It will be the nation's fourteenth appearance at the Summer Paralympics, since the official debut at the 1972.
Madagascar competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's fourteenth consecutive appearance at the Summer Olympics.
