Belarus competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's fifth appearance at the Summer Olympics in the post-Soviet era. The Belarus Olympic Committee sent a total of 151 athletes to the Games, 82 men and 69 women, to compete in 22 sports.
Colombia first formally participated at the Olympic Games in 1932, and has sent athletes to compete in all but one edition of the Summer Olympic Games since then, missing only the 1952 Games. Colombian athletes have won a total of 34 Olympic medals in eight different sports, with weightlifting and cycling as the most successful ones. Colombia is the third most successful South American country at the Olympic Games, after Brazil and Argentina respectively. The Colombian Olympic Committee was created in 1936 and recognised by the International Olympic Committee in 1948.
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.
Samoa sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. The country was represented by a total of six athletes. The country's flagbearer during the Games' opening ceremony was weightlifter Ele Opeloge. Samoa won its first Olympic medal due to medals reallocation after the IOC's retesting of doping samples in 2016.
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.
Bulgaria was represented by 72 athletes at the 2008 Summer Olympics, held in Beijing, People's Republic of China.
India competed at the 2008 Summer Olympics in Beijing, People's Republic of China. India was represented by the Indian Olympic Association (IOA). A contingent of 57 athletes in 12 sports represented India, and had a support-staff of 42 officials.
Belarus attended the 2008 Summer Olympics in Beijing, China. A team of 181 athletes competed in 28 different sports.
Greece 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.
Hungary competed at the 2008 Summer Olympics in Beijing, China. The country sent 131 individual competitors plus the men's and women's water polo teams and the women's handball team for a total of 171 athletes taking part in the 2008 Summer Olympics. Hungary's gold medal count of 3 was the lowest in the nation's Summer Olympic history since the 1924 Paris Summer Olympics. Its total medal count of 10 was the lowest since the 1928 Summer Olympics in Amsterdam.
Ukraine competed in the 2008 Summer Olympics. The country repeated its 2004 performance in terms of total medals, but its gold medal haul fell slightly from 8 to 7.
Mexico competed at the 2008 Summer Olympics in Beijing. The country sent 85 competitors and participated in 23 sports. Mexico's flag-bearer at the opening ceremony was diver Paola Espinosa. Mexican athletes won two gold medals at the games for the first time since the 1984 Olympics.
Cuba competed in the 2008 Summer Olympics in Beijing, People's Republic of China. As of 8 August 2008, 165 Cuban athletes had qualified to compete in 16 sports. The country's flagbearer at the opening ceremony was wrestler Mijaín López.
Kazakhstan competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008.
Romania competed in the 2008 Summer Olympics, held in Beijing, China from August 8 to August 24, 2008. Romania intended to send 104 competitors to Beijing, although the delegation was reduced to 102 when two Romanian athletes were suspended for doping before the start of the Olympics. The Romanian delegation for Beijing was the smallest Romanian Olympic delegation since the 1989 Revolution. Romanians competed in 16 sports: athletics, archery, handball, gymnastics, wrestling, swimming, diving, weightlifting, fencing, table tennis, shooting, tennis, judo, boxing, kayak-canoeing, and rowing.
Lithuania competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008.
Uzbekistan competed in the 2008 Summer Olympics held in Beijing, People's Republic of China from August 8 to August 24, 2008, with a team of 58 athletes.
Kazakhstan competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifth appearance at the Summer Olympics in the post-Soviet era.
Ukraine competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. This was the nation's fifth consecutive appearance at the Summer Olympics in the post-Soviet era. The National Olympic Committee of Ukraine sent a total of 238 athletes, split equally between men and women, to compete in 21 sports.
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.
