Sweden competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This nation has competed at every Summer Olympic Games in the modern era, except for the sparsely attended 1904 Summer Olympics in St. Louis. The Swedish Olympic Committee sent the nation's smallest team to the Games since the 1976 Summer Olympics in Montreal. A total of 115 athletes, 62 men and 53 women, competed only in 20 different sports. Women's football was the only team-based sport in which Sweden had its representation at these Games. There was only a single competitor in boxing, diving, artistic gymnastics, judo, modern pentathlon, and rowing.
Nigeria competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's thirteenth appearance at the Olympics, except the 1976 Summer Olympics in Montreal, because of the African boycott. Nigerian Olympic Committee sent a total of 72 athletes, 24 men and 48 women, to the Games to compete in 10 sports. For the first time in its Olympic history, Nigeria was represented by more female than male athletes. Women's basketball and women's football were the only team-based sports in which Nigeria had its representation at these Games. There was only a single competitor in men's freestyle wrestling.
Ecuador competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's tenth consecutive appearance at the Olympics, although it had first competed at the 1924 Summer Olympics in Paris.
Argentina competed at the 2011 Pan American Games in Guadalajara, Mexico from October 14 to 30, 2011.
Argentina sent a team to compete at the 1972 Summer Paralympics in Heidelberg, West Germany. They sent twenty one competitors, twelve male and nine female. The team finished twentieth in the medal table and won nine medals, two gold, four silver and three bronze.
Ecuador competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's twelfth consecutive appearance at the Olympics. It had first competed at the 1924 Summer Olympics in Paris.
Ecuador will participate in the 2011 Parapan American Games.
Bermuda competed at the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015. In April 2015, Carlos Lee was named as the chef de mission for the team.
Ecuador competed in the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015.
Paraguay competed in the 2015 Pan American Games in Toronto, Canada from July 10 to 26, 2015.
Saint Vincent and the Grenadines competed at the 2015 Pan American Games in Toronto, Canada from July 10 to 26, 2015.
Squash competitions at the 2015 Pan American Games in Toronto were held from July 11 to 17. The venue for the competitions was Direct Energy Centre, due to naming rights the venue were known as the latter for the duration of the games. A total of six events were contested.
Ecuador competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth appearance at the Summer Olympics, since its debut in 1924.
Uruguay participated in the 2015 Parapan American Games.
Chile participated in the 2015 Parapan American Games.
Congo, officially Republic of the Congo, competed at the 2016 Summer Olympics in Rio de Janeiro, from August 5 to 21, 2016. This was the nation's twelfth appearance at the Summer Olympics, since its debut in 1964. Congolese athletes did not attend the 1968 Summer Olympics in Mexico City, and the 1976 Summer Olympics in Montreal because of the African boycott.
Lebanon 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. Lebanon did not attend the 1956 Summer Olympics in Melbourne as a response to the Suez Crisis.
Thailand is scheduled to compete in the 2017 Asian Winter Games in Sapporo and Obihiro, Japan from February 19 to 26.
New Zealand competed in the 2017 Asian Winter Games in Sapporo and Obihiro, Japan from 19 to 26 February. This marked the debut of the country at the Asian Winter Games, however New Zealand athletes were not eligible to win any medals, as they were classified as guest competitors.
El Salvador participated in the 2015 Parapan American Games.
