Romania competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. Romanian athletes have competed at every Summer Olympic Games since its official debut in 1924, missing only two editions, including the 1948 Summer Olympics. The Romanian Olympic and Sports Committee sent the nation's smallest team to the Games since the 1988 Summer Olympics in Seoul. A total of 108 athletes, 50 men and 58 women, had competed in 16 different sports, most notably in artistic gymnastics and rowing. For the third time in Olympic history, Romania was again represented by more female than male athletes.
The Czech Republic competed at the 2000 Summer Olympics in Sydney, Australia.
Mauritius competed at the 2000 Summer Olympics in Sydney, Australia.
Azerbaijan competed in the Summer Olympic Games as an independent nation for the first time at the 1996 Summer Olympics in Atlanta, United States. Previously, Azerbaijani athletes competed for the Unified Team at the 1992 Summer Olympics. 23 competitors, 20 men and 3 women, took part in 23 events in 9 sports.
Kenya competed at the 2000 Summer Olympics in Sydney, Australia.
Australia competed at the 1952 Summer Olympics in Helsinki, Finland. 81 competitors, 71 men and 10 women, took part in 67 events in 12 sports. Australian athletes have competed in every Summer Olympic Games. As the country hosted the next Olympics in Melbourne, an Australian segment was performed at the closing ceremony.
Australia competed at the 1936 Summer Olympics in Berlin, Germany. 32 competitors, 28 men and 4 women, took part in 26 events in 7 sports. Australian athletes have competed in every Summer Olympic Games. In terms of medals won Berlin 1936 was Australia's poorest result at the Summer Olympics, winning just a single bronze in the Men's triple jump.
Australia competed at the 1932 Summer Olympics in Los Angeles, United States. Due to the Great Depression, Australia could only afford to send 13 athletes to the Games.
Haiti competed at the 2000 Summer Olympics in Sydney, Australia. The Haitian team consisted of five competitors: three track and field athletes, one judoka, and one tennis player.
Argentina at the 1948 Summer Olympics in London, England was the nation's eighth appearance out of eleven editions of the Summer Olympic Games. Argentina sent to the 1948 Summer Olympics its fifth national team, under the auspices of the Argentine Olympic Committee of 199 athletes who competed in 101 events in 16 sports. It would not be until the 2016 Summer Olympics that the athlete delegation were surpassed. The medals haul of 3 golds, 3 silvers, and a bronze tied the medals haul in 1928. The achievement of 7 medals in an edition of the Olympics has yet to be matched.
Australia competed at the 1928 Summer Olympics in Amsterdam, Netherlands. 18 competitors, 14 men and 4 women, took part in 26 events in 6 sports.
Great Britain, represented by the British Olympic Association (BOA), competed as the host nation for the 1948 Summer Olympics in London. It was the second time that the United Kingdom had hosted the Summer Olympic Games, equalling the record of France and the United States to that point. British athletes have competed in every Summer Olympic Games. 404 competitors, 335 men and 68 women, took part in 139 events in 21 sports.
Austria competed at the 1948 Summer Olympics in London, England. 147 competitors, 115 men and 32 women, took part in 79 events in 17 sports.
Finland competed at the 1948 Summer Olympics in London, England. 129 competitors, 123 men and 6 women, took part in 84 events in 16 sports. As the country hosted the next Olympics in Helsinki, a Finnish segment was performed at the closing ceremony.
Mexico competed at the 1932 Summer Olympics in Los Angeles, United States. 73 competitors, 71 men and 2 women, took part in 52 events in 12 sports.
Mexico competed at the 1948 Summer Olympics in London, England. 88 competitors, 81 men and 7 women, took part in 57 events in 14 sports.
Mexico competed at the 1956 Summer Olympics in Melbourne, Australia. 24 competitors, 21 men and 3 women, took part in 20 events in 10 sports.
Pakistan competed in the Summer Olympic Games for the first time at the 1948 Summer Olympics in Wembley Park, London, England. 35 competitors, all men, took part in 20 events in 6 sports.
Iran competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. The nation has competed at every Summer Olympic games since its official debut in 1948 with the exception of the 1980 and 1984 Summer Olympics. The National Olympic Committee of the Islamic Republic of Iran sent the nation's second-largest delegation to the Games, one less than it sent to Beijing. A total of 53 athletes, 45 men and 8 women, competed in 14 sports. This was also the youngest delegation in Iran's Olympic history, with half the team under the age of 25, and many of them are expected to reach their peak in time for the 2016 Summer Olympics in Rio de Janeiro. Heavyweight boxer Ali Mazaheri was the nation's flag bearer at the opening ceremony.
Romania competed at the 2012 Summer Olympics in London from 27 July to 12 August 2012. This nation has competed at the Summer Olympic Games since its official debut in 1924, missing only two editions, including the 1948 Summer Olympics. Despite being London's third Olympic Games, this is the first time the Romanian team has competed in London. The Romanian Olympic and Sports Committee sent a total of 103 athletes to the Games, 54 men and 49 women, to compete in 14 sports.
Australasia (1908–1912)
