Mexico competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's twentieth appearance at the Olympics, since its debut in 1900. Comité Olímpico Mexicano sent the nation's largest delegation to the Games since 1992. A total of 109 athletes, 59 men and 50 women, competed in 20 sports. Football was the only team-based sport in which Mexico had its representation in these Olympic Games. There was only a single competitor in fencing, shooting, and weightlifting.
Argentina competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's twenty-first appearance at the Olympic Games, except for three different editions. Argentina did not attend the 1904 Summer Olympics in St. Louis, the 1912 Summer Olympics in Stockholm, and the 1980 Summer Olympics in Moscow, because of its support for the United States-led boycott. The sailor Carlos Espínola was the nation's flag bearer at the opening ceremony. 152 competitors, 106 men and 46 women, took part in 86 events in 22 sports.
Paraguay competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's ninth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its partial support to the United States boycott.
Iraq competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.
The football tournament at the 1980 Summer Olympics started on 20 July and ended on 2 August. Only one event, the men's tournament, was contested. Seven qualified countries did not participate, joining the American-led boycott in protest of the December 1979 Soviet invasion of Afghanistan.
Chile competed at the 2000 Summer Olympics in Sydney, Australia. 50 competitors, 43 men and 7 women, took part in 28 events in 14 sports.
Morocco competed at the 2000 Summer Olympics in Sydney, Australia.
Nigeria competed at the 2000 Summer Olympics in Sydney, Australia.
Algeria competed at the 1980 Summer Olympics in Moscow, USSR. The nation returned to the Olympic Games after boycotting the 1976 Summer Olympics. 54 competitors, all men, took part in 28 events in 9 sports.
Cameroon competed at the 2000 Summer Olympics in Sydney, Australia. The men's football team won the nation's first Olympic gold medal.
Paraguay competed at the 1992 Summer Olympics in Barcelona, Spain. Its contingent of 27 competitors, including 24 men and 3 women, took part in 12 events in 6 sports.
Malaysia competed at the 1972 Summer Olympics in Munich, West Germany. 45 competitors, 42 men and 3 women, took part in 20 events in 6 sports.
Indonesia competed at the 1956 Summer Olympics in Melbourne, Australia. 30 competitors, 28 men and 2 women, took part in 11 events in 6 sports.
Cameroon competed in the 2008 Summer Olympics held in Beijing, People's Republic of China from August 8 to August 24, 2008.
Nigeria competed in the 2008 Summer Olympics which were held in Beijing, People's Republic of China from August 8 to August 24, 2008.
Honduras sent a delegation to compete at the 2008 Summer Olympics in Beijing, China.
Uruguay competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's twentieth appearance at the Olympics, Uruguay missed the 1980 Summer Olympics in Moscow, because of its partial support for the United States boycott.
Gabon competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's ninth appearance at the Olympics; the nation did not participate at the 1976 Summer Olympics in Montreal and 1980 Summer Olympics in Moscow, affected by the African and the American-led boycott, respectively.
Senegal competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's thirteenth appearance at the Olympics.
Honduras competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. This was the nation's tenth appearance at the Olympics, excluding the 1972 Summer Olympics in Munich, and the 1980 Summer Olympics in Moscow, because of the American-led boycott.
United Arab Republic (1960)
