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.
Serbia and Montenegro competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Previously known as the Federal Republic of Yugoslavia, this was the nation's third and last joint appearance at the Summer Olympics before Serbia and Montenegro became separated independent states in 2006. The Olympic Committee of Serbia and Montenegro sent a total of 85 athletes to the Games, 78 men and 7 women, to compete in 14 sports. Men's basketball, football, volleyball, and water polo were the only team-based sports in which Serbia and Montenegro had its representation at these Games. There was only a single competitor in road cycling, judo, tennis, and wrestling.
Athletes from the Federal Republic of Yugoslavia competed at the 2000 Summer Olympics in Sydney, Australia. 109 competitors, 92 men and 17 women, took part in 50 events in 14 sports. These would be the last Summer Games in which athletes from Montenegro and Serbia participated under the name of Yugoslavia. They would compete as Serbia and Montenegro at the 2004 Summer Olympics.
Sport in Montenegro revolves mostly around team sports, such as water polo, football, basketball, handball, and volleyball. Other sports involved are boxing, tennis, swimming, judo, karate, athletics, table tennis, and chess.
Serbia first participated at the Olympic Games in 1912 as the Kingdom of Serbia. Serbia returned to the Olympics as an independent team after ninety-six years at the 2008 Summer Olympics.
Montenegro competed as an independent nation for the first time at the Olympic Games at the 2008 Summer Olympics in Beijing, People's Republic of China. Montenegro was the youngest nation to participate in the 2008 Summer Olympics. Athletes from Montenegro participated in three different events. In individual events, the new nation had representatives in boxing and shooting. Boxer Milorad Gajović represented his country in the heavyweight division, while Nikola Šaranović competed in 10 m air pistol and 50 m pistol precision shooting events. In team competition, Montenegro competed in water polo. The Montenegro national water polo team won the 2007 European Water Polo Olympic Qualification Tournament to qualify for the Olympic games.
Kosovo made its Olympic debut as a member state in 2016. Its team is organized by the Olympic Committee of Kosovo (OCK), created in 1992 and recognized by the International Olympic Committee on 9 December 2014. It won its first medal in its debut appearance in 2016, when judoka Majlinda Kelmendi took gold in the women's -52 kg category. In the 2020 Tokyo Olympics, Nora Gjakova won gold in the women's judo 57kg match. Additionally, Distria Krasniqi won gold in the women's judo 48kg match.
Montenegro participated at the Olympic Games for the first time as an independent nation in 2008, at the Beijing Games. Previously, Montenegrin athletes have competed as part of Serbia and Montenegro in 2004 and as part of Yugoslavia before that.
The former State Union of Serbia and Montenegro was represented at the Olympic Games on six occasions between 1996 and 2006, when the union was dissolved and Montenegro and Serbia each declared full independence.
Tuvalu competed at the 2008 Summer Olympics in Beijing, China, from 8 to 24 August 2008. This was the nation's first ever appearance in an Olympic Game. The delegation included two track and field athletes and one weightlifter. Okilani Tinilau and Asenate Manoa participated in athletics while Logona Esau participated in the weightlifting sport. Both track and field athletes achieved national records. Logona Esau led the Tuvaluan squad as the nation's flag bearer in the parade of nations.
Norway competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's twenty-fourth appearance at the Summer Olympics; Norway did not take part in the 1904 Summer Olympics in St. Louis and the 1980 Summer Olympics in Moscow, due to the country's support for the United States boycott. The Norwegian Olympic and Paralympic Committee and Confederation of Sports sent a total of 66 athletes to the Games, 34 men and 32 women, to compete in 14 sports. Women's handball was the only team-based sport in which Norway was represented in these Olympic games. There was only a single competitor in badminton, mountain biking, diving, equestrian dressage, fencing and wrestling.
Angola competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. This was the nation's eighth Olympic appearance at the Olympics, except the 1984 Summer Olympics in Los Angeles because of its participation in the Soviet boycott.
Montenegro competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's second appearance at the Summer Olympics.
Montenegro competed at the 2012 Summer Paralympics in London, United Kingdom, where it was represented by a single athlete - Marijana Goranović.
Montenegro competed at the 2013 World Championships in Athletics in Moscow, Russia, from 10–18 August 2013. A team of 2 athletes was announced to represent the country in the event.
Montenegro competed at the 2014 Summer Youth Olympics, in Nanjing, China from 16 August to 28 August 2014.
Montenegro competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's third consecutive appearance at the Summer Olympics since it gained independence from Serbia in 2006.
Montenegro sent a delegation to compete at the 2016 Summer Paralympics in Rio de Janeiro, Brazil, from 7 to 18 September 2016. This was the nation's third time competing at a Paralympic Games since it became independent from its federation with Serbia in June 2006. Montenegro was represented by two athletes in Rio de Janeiro: shot putter and discus thrower Marijana Goranović and short-distance swimmer Ilija Tadić. Goranović competed in two events in field and her best finish was in the women's shot put F41 competition, where she came eighth. Tadić took part in two swimming events and his best performance was in the men's 50 metre freestyle S9 tournament, where he placed 14th overall and did not advance to the final.
Montenegro is scheduled to compete at the 2019 European Games in Minsk from 21 to 30 June 2019. Montenegro is represented by 11 athletes in 5 sports.
Yugoslavia (1951-1991)
Serbia and Montenegro (1997-2005)
