The People's Republic of China competed at the 2012 Summer Olympics in London, the United Kingdom, between 27 July and 12 August 2012. This was the nation's ninth appearance at the Summer Olympics since its debut in 1952. A total of 396 Chinese athletes, 171 men and 225 women, were selected by the Chinese Olympic Committee to compete in 23 sports. For the fourth time in its Olympic history, China was represented by more female than male athletes.
Italy competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This nation 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 smallest delegation to the Games since the 1988 Summer Olympics in Seoul. A total of 285 athletes, 162 men and 123 women, competed in 22 sports.
South Korea competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. This was the nation's sixteenth appearance at the Olympics, having missed the 1980 Summer Olympics in Moscow because of its support for the United States boycott. The Korean Olympic Committee sent the nation's smallest delegation to the Games since 1992. A total of 248 athletes, 135 men and 113 women, competed in 22 sports.
The Russian Federation competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. This was the nation's fifth consecutive appearance at the Summer Olympics as an independent nation. The Russian Olympic Committee sent a total of 436 athletes to the Games, 208 men and 228 women, to compete in 24 sports. For the first time in its Olympic history, Russia was represented by more female than male athletes.
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.
Sweden competed at the 2012 Summer Olympics in London, from 25 July to 12 August 2012. Swedish athletes have competed at every edition of the Summer Olympic Games in the modern era, except for the 1904 Summer Olympics in St. Louis. The Swedish Olympic Committee sent a total of 134 athletes to the Games, 55 men and 79 women, to compete in 20 sports. For the second consecutive time in its Olympic history, Sweden was represented by more female than male athletes.
Thailand competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its partial support to the United States boycott.
Chinese Taipei competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. "Chinese Taipei" was the designated name used by Taiwan to participate in some international organizations and almost all sporting events, including the Olympic Games. Neither the common name "Taiwan" nor the official name "Republic of China" would be used due primarily to opposition from the People's Republic of China. This was the nation's eighth consecutive appearance at the Olympics.
Greece competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. The Hellenic Olympic Committee sent a total of 103 athletes to the Games in London, 65 men and 38 women, to compete in 19 sports. Men's water polo was the only team event in which Greece was represented at these Olympic Games.
The 2010 World Cup Taekwondo Team Championships is the 3rd edition of the World Cup Taekwondo Team Championships, and was held at Xinjiang Sports Center in Urumqi, China from July 17 to July 20, 2010.
South Korea, officially the Republic of Korea, competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventeenth appearance at the Olympics. The Korean Olympic Committee sent the nation's smallest ever delegation to the Games in Olympic history since 1984. A total of 205 athletes, 103 men and 101 women, competed in 24 sports.
Belgium will compete at the 2014 Summer Youth Olympics, in Nanjing, China from 16 August to 28 August 2014.
The 2013 World Cup Taekwondo Team Championships was the 5th edition of the World Cup Taekwondo Team Championships, and was held in Abidjan, Ivory Coast from November 28 to November 30, 2013.
Serbia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's fourth appearance at the Summer Olympics as an independent country. The Olympic Committee of Serbia confirmed a roster of 103 athletes, 58 men and 45 women, to compete across 14 sports at the Games.
Spain, represented by the Spanish Olympic Committee (COE), competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1920, Spanish athletes have appeared in every edition of the Summer Olympic Games except for two; the 1936 Summer Olympics in Nazi Germany, and the 1956 Summer Olympics in Melbourne, as a protest against the Soviet invasion of Hungary. The Spanish Olympic Committee sent a total of 306 athletes, 163 men and 143 women, to compete in 25 sports.
The 2014 World Cup Taekwondo Team Championships was the 6th edition of the World Cup Taekwondo Team Championships, and was held in Querétaro, Mexico from December 6 to December 7, 2014.
Iran competed at the 2016 Summer Olympics in Rio de Janeiro, from 5 to 21 August 2016. Since the nation's debut in 1948, Iranian athletes had attended in every Summer Olympic Games of the modern era, with the exception of the 1980 and 1984 Summer Olympics.
Azerbaijan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
Thailand competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1952, Thai athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its partial support of the US-led boycott.
The 2016 World Cup Taekwondo Team Championships was the 8th edition of the World Cup Taekwondo Team Championships, and was held in Baku, Azerbaijan from December 12 to December 13, 2016.
Baku, Azerbaijan 
Turkey 
South Korea 
