Australia, the previous host of the 2000 Olympics at Sydney, competed at the 2004 Summer Olympics in Athens, Greece from 13 to 29 August 2004. Australian athletes have competed in every Summer Olympic Games of the modern era. The Australian Olympic Committee sent a total of 470 athletes to the Games to compete in 29 sports.
France competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. French athletes have competed in every Summer Olympic Games of the modern era. The French Olympic Committee sent a total of 308 athletes to the Games, 195 men and 113 women, to compete in 25 sports.
Italy competed at the 2004 Summer Olympics in Athens, Greece, from the 13th to the 29th of August 2004. The country has competed at every Summer Olympic games in the modern era, except for the 1904 Summer Olympics in St. Louis. The Italian National Olympic Committee sent the nation's largest ever delegation in history to the Games. A total of 364 athletes, 229 men and 135 women, competed in 27 sports.
Germany competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fourth consecutive appearance at the Summer Olympics after its reunification in 1990. The German Olympic Sports Confederation sent the nation's second largest delegation to the Games since its reunification. A total of 441 athletes, 250 men and 191 women, competed in 27 sports, and were nominated by DOSB at four occasions.
China competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's ninth appearance at the Summer Olympics since its debut in 1952. A total of 384 Chinese athletes, 136 men and 248 women, were selected by the Chinese Olympic Committee to compete in 28 sports. For the third time in its Olympic history, China was represented by more female than male athletes.
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 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.
Denmark competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.
Kenya competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's eleventh appearance at the Olympics, except the 1976 Summer Olympics in Montreal and the 1980 Summer Olympics in Moscow because of the African and United States boycott.
The United States competed at the 1972 Summer Olympics in Munich, West Germany. 400 competitors, 316 men and 84 women, took part in 185 events in 21 sports.
The United States was the host nation of the 1984 Summer Olympics in Los Angeles, California. It was the nineteenth time that Team USA participated, having boycotted the 1980 Summer Olympics. 522 competitors, 339 men and 183 women, took part in 217 events in 25 sports.
The United States of America (USA) competed at the 1988 Summer Olympics in Seoul, South Korea. 527 competitors, 332 men and 195 women, took part in 230 events in 27 sports. The United States finished outside of the top two in the overall medal count for the first time and in the gold medal count for only the second time. That was mainly caused by the extensive state-sponsored doping programs that were developed in these communist countries to fulfil their political agenda on an international stage.
The United States of America (USA) competed at the 1992 Summer Olympics in Barcelona, Spain. 545 competitors, 355 men and 190 women, took part in 248 events in 28 sports. At the closing ceremony, a segment of American culture was performed, as the country hosted the next Olympics in Atlanta.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1988 Summer Olympics in Seoul, South Korea. This was the last time that the SFR Yugoslavia competed in the Summer Olympics. 155 competitors, 117 men and 38 women, took part in 72 events in 18 sports.
South Africa competed at the 2008 Summer Olympics in Beijing, People's Republic of China. The team included 136 athletes, as of 10 July 2008. South Africa had its worst medals performance at an Olympics since 1994, and tied its performance in the 1936 Games.
The Russian Federation competed at the 2008 Summer Olympics, held in Beijing, China, represented by the Russian Olympic Committee. Russia competed in all sports except baseball, field hockey, football, softball, and taekwondo. It ranked third in the medal table by the number of gold (24) and overall (60) medals. Russia also had 14 medals stripped for doping violations, the most of any nation at the 2008 Olympics, although in terms of gold medals it got a net positive of +1.
Bulgaria was represented by 72 athletes at the 2008 Summer Olympics, held in Beijing, People's Republic of China.
Greece, the previous host of the 2004 Olympics at Athens, competed at the 2008 Summer Olympics in Beijing, People's Republic of China. They were represented by the Hellenic Olympic Committee, which announced on July 28, 2008, the 156 Greek athletes to compete in Beijing, composed of 84 men and 72 women, the largest Greek Olympic team ever excluding the home team of the Athens 2004 Olympics. Greece took part in archery, athletics, basketball, boxing, canoeing, cycling, diving, gymnastics, judo, rowing, sailing, shooting, swimming, synchronized swimming, table tennis, taekwondo, tennis, triathlon, beach volleyball, water polo, weightlifting and wrestling.
Colombia competed at the 2008 Summer Olympics. The country sent 68 athletes to compete in 15 sports, making this Colombia's largest ever delegation to the Olympics.
Myanmar competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. This was the nation's sixteenth appearance at the Olympics, although at most previous Games it competed under the name Burma. Myanmar did not participate at the 1976 Summer Olympics in Montreal for political reasons.
The United States of America (USA) competed at the 2004 Summer Olympics in Athens, Greece. 533 competitors, 279 men and 254 women, took part in 254 events in 31 sports.
