Australia 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.
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.
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.
Spain competed at the 2004 Summer Olympics in Athens, Greece, from August 13 to 29, 2004. This nation has competed in every Summer Olympic Games since its official debut in 1920. Spain, however, boycotted two editions, the 1936 Summer Olympics in Nazi Germany, and the 1956 Summer Olympics in Melbourne, as a protest to the Soviet invasion of Hungary. The Spanish Olympic Committee sent the nation's third largest delegation in history to the Games. A total of 317 athletes, 177 men and 140 women, competed in 26 sports.
Croatia 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 since the post-Yugoslav era. The Croatian Olympic Committee sent the nation's smallest delegation to the Games since its debut in 1992. A total of 81 athletes, 66 men and 15 women, competed in 14 sports. Men's water polo, and men's handball were the only team-based sports in which Croatia had its representation in these Olympic Games.
Spain was the host nation for the 1992 Summer Olympics in Barcelona. The Games were quite exceptional for Spain because their athletes were competing not only in their home country, but also in the home city of IOC President Juan Antonio Samaranch. 422 competitors, 297 men and 125 women, took part in 195 events in 29 sports.
The United States were the host nation for the 1996 Summer Olympics in Atlanta, Georgia. 646 competitors, 375 men and 271 women, took part in 263 events in 31 sports.
Ukraine competed in the Summer Olympic Games as an independent nation for the first time at the 1996 Summer Olympics in Atlanta, United States. Previously, Ukrainian athletes competed for the Unified Team at the 1992 Summer Olympics. 231 competitors, 146 men and 85 women, took part in 148 events in 21 sports.
Basketball at the 1984 Summer Olympics was the eleventh appearance of the sport of basketball as an official Olympic medal event. It took place at The Forum in Inglewood, California, United States from July 29 to August 10. The United States won the gold medal in both events, with the women's team's victory marking their first-ever gold medal. Due to the boycott, the Soviet Union and Hungary withdrew from the tournament. The former, having already qualified for both events was replaced by West Germany in the men's competition, while both nations' women's teams were replaced by Australia and South Korea.
Lithuania competed at the 1996 Summer Olympics in Atlanta, United States.
Argentina competed at the 1996 Summer Olympics in Atlanta, United States. 178 competitors, 131 men and 47 women, took part in 101 events in 20 sports.
Athletes from the Federal Republic of Yugoslavia competed at the 1996 Summer Olympics in Atlanta, United States. These Games were the first Olympic appearance of Montenegrin and Serbian athletes under the Flag of the Federal Republic of Yugoslavia and the continuation of the use of Yugoslavia as a designation. The nation was not allowed to participate at the 1992 Summer Olympics because of international sanctions. Several Yugoslav athletes competed as Independent Olympic Participants at those Games. New Yugoslavia participated in thirteen sports: athletics, basketball, canoe/kayak, diving, fencing, judo, shooting, swimming, table tennis, volleyball, water polo, weightlifting, and wrestling.
Croatia competed at the 2008 Summer Olympics in Beijing, People's Republic of China.
South Korea competed at the 2008 Summer Olympics in Beijing, China. This is a list of all of the South Korean athletes who qualified for the Olympics and their results. South Korea sent a delegation of 267 athletes to these 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. They ranked third in the medal table by golds (24) and overall (60). Russia also had 14 medals stripped for doping violations, the most of any nation at the 2008 Olympics.
Lithuania competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008.
Croatia competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. This was the nation's sixth consecutive appearance at the Summer Olympics.
Croatia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventh consecutive appearance at the Summer Olympics. The Croatian Olympic Committee confirmed a roster of 87 athletes, 68 men and 19 women, to compete across 18 sports at the Games.
The men's tournament of basketball at the 1996 Olympics at Atlanta, United States, began on July 20 and ended on August 4, when the United States defeated FR Yugoslavia 95–69 for the gold medal.
Croatia 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, because of the COVID-19 pandemic. It was the nation's eighth consecutive appearance at the Summer Olympics.
Austria (1900)
Yugoslavia (1920–1988)
