The United States Virgin Islands competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.
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.
The United States Virgin Islands competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. This was the nation's eleventh appearance at the Olympics, except the 1980 Summer Olympics in Moscow, because of the United States boycott.
Aruba competed at the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015.
Virgin Islands, also known as the United States Virgin Islands and officially as the Virgin Islands of the United States, competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the territory's twelfth appearance at the Summer Olympics.
Grenada competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's ninth consecutive appearance at the Summer Olympics.
Saint Lucia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics.
Cayman Islands competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's tenth appearance at the Summer Olympics.
The British Virgin Islands competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's ninth consecutive appearance at the Summer Olympics.
Cook Islands competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's eighth 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.
The British Virgin Islands competed at 2019 Pan American Games in Lima, Peru from 26 July to 11 August 2019.
Mauritania competed at the 2020 Summer Olympics in Tokyo which were held from 23 July to 8 August 2021. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed due to the COVID-19 pandemic. It was the nation's tenth appearance at the Summer Olympics since its debut in 1984. The delegation consisted of two athletes, one man and one woman, competing in two athletic events. Sprinters Abidine Abidine and Houlèye Ba represented Mauritania in the men's 5000 metres and women's 800 metres event, respectively. For the first time, in an effort to promote gender equality, two flagbearers, one male and one female were allowed at the Olympics. Abidine and Houlèye lead the Mauritanian squad as the flagbearers in the opening ceremony. As of 2023, Mauritania, however, has yet to win its first ever Olympic medal.
The United States Virgin Islands also known as the Virgin Islands is scheduled to compete at the 2023 Pan American Games in Santiago, Chile from October 20 to November 5, 2023. This will be the Virgin Islands's 15th appearance at the Pan American Games, having competed at every edition of the games since 1967.
Guatemala competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. The nation made its official debut in Helsinki 1952, and Guatemalan athletes have appeared in every edition of the Summer Olympics from 1968 onwards.
The British Virgin Islands competed at the 2023 Pan American Games in Santiago, Chile from October 20 to November 5, 2023. This was the territory's 11th appearance at the Pan American Games, having competed at every Games since making its debut in 1983.
Andorra 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 official debut at 1976.
Antigua and Barbuda competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. This was Antigua and Barbuda's twelfth appearance at the Summer Olympics, except for 1980, as the nation joined a US-led boycott that year.
Palau competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's seventh consecutive appearance at the Summer Olympics.
Somalia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's debut in 1972, Somalia competed in every Summer Olympics except for three occasions: 1976, due to Congolese-led boycott, 1980, due to US led boycott, and 1992, due to political reasons. It will be the nation's eleventh appearance at the Summer Olympics.
