Bulgaria competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's seventeenth appearance at the Summer Olympics, except for three occasions, including the 1948 Summer Olympics in London due to the nation's role in World War II and 1984 Summer Olympics in Los Angeles because of the Soviet boycott. The Bulgarian Olympic Committee sent 95 athletes, 49 men and 46 women, to compete in 19 sports. Shooting champion and four-time Olympian Mariya Grozdeva became the nation's first ever female flag bearer in the opening ceremony.
Panama 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 since its debut in 1920. This team consisted of two people, a man and a woman. Panama did not compete on four occasions, including the 1980 Summer Olympics in Moscow, because of its partial support of the United States boycott.
Dominica competed at the 2000 Summer Olympics in Sydney, Australia. This was the nation's second consecutive appearance at the Summer Olympics.
Australia competed at the 1948 Summer Olympics in London, England. 75 competitors, 66 men and 9 women, took part in 52 events in 11 sports. Australian athletes have competed in every Summer Olympic Games.
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.
Chad competed at the 1988 Summer Olympics in Seoul, South Korea.
Turkmenistan competed in the Olympic Games as an independent nation for the first time at the 1996 Summer Olympics in Atlanta, United States. Previously, the nation was part of the Unified Team at the 1992 Summer Olympics.
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.
Mexico competed at the 1928 Summer Olympics in Amsterdam, Netherlands. 30 competitors, all men, took part in 18 events in 6 sports.
Iceland competed at the 1948 Summer Olympics in London, England. The country was represented by 1 man in Art competitions, 11 men in athletics and 5 men and 3 women in swimming.
Panama competed at the 1948 Summer Olympics in London, England, returning to the Olympic Games for the first time since 1928. Panama won its first-ever Olympic medals at these Games, and did not win another Olympic medal until Irving Saladino won gold at the 2008 Summer Olympics.
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.
Burkina Faso competed at the 1988 Summer Olympics in Seoul, South Korea. It had been 16 years since the previous participation of the nation at the Olympic Games, then as Upper Volta at the 1972 Summer Olympics.
Burkina Faso competed at the 1992 Summer Olympics in Barcelona, Spain.
Dominica competed in the Olympic Games for the first time at the 1996 Summer Olympics in Atlanta, United States.
Syria competed in the 2008 Summer Olympics which was held in Beijing, People's Republic of China from 8 to 24 August 2008. This was the nation's eleventh appearance at the Olympics since its debut in 1948. The Syrian Olympic Committee sent eight athletes who took part in five sports in the games.
Ivory Coast sent a delegation to compete at the 2008 Summer Olympics in Beijing, China.
Liberia sent a delegation to compete at the 2008 Summer Olympics in Beijing, China.
The Middle Eastern nation of Iraq competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. This was the nation's thirteenth appearance at the Olympics since its debut at the 1948 Summer Olympics in the same host city.
Iraq 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, due to the COVID-19 pandemic. This was the nation's fifteenth appearance at the Summer Olympic Games since its debut in 1948.
Malaysia (1964)
