Australia has sent athletes to every Summer Olympic Games, as well as every Winter Olympics except 1924–32 and 1948. In 1908 and 1912 Australia competed with New Zealand under the name Australasia.
Kingdom of Thailand first participated at the Olympic Games in 1952, and has sent athletes to compete in every Summer Olympic Games since then, except when they participated in the US-led boycott of the 1980 Summer Olympics. Thailand has also participated in the Winter Olympic Games since 2002.
Cape Verde sent a delegation to compete at the 2000 Summer Olympics in Sydney, Australia from 15 September to 1 October 2000. This was Cape Verde's second appearance at a Summer Olympic Games after the 1996 Summer Olympics in Atlanta four years prior. The Cape Verdean delegation to Sydney consisted of two track and field athletes, Isménia do Frederico and António Zeferino, who were both making their second Olympic appearance. Do Frederico did not advance out of her heat in the women's 100 meters, while Zeferino finished 67th of 81 finishers in the men's marathon.
Hungary first participated at the Olympic Games at the inaugural 1896 Games, and has sent athletes to compete in most Summer Olympic Games and every Winter Olympic Games since then. The nation was not invited to the 1920 Games for its role in World War I, and was part of the Soviet-led boycott of the 1984 Summer Olympics.
Greece has competed at every Summer Olympic Games, one of five countries to have done so, and most of the Winter Olympic Games. Greece has hosted the modern Olympic Games twice, both in Athens for the Summer Olympic Games, in 1896 and 2004.
Canada has competed at 28 Summer Olympic Games, missing only the inaugural 1896 Summer Olympics and the boycotted 1980 Summer Olympics. This count includes the 1906 Olympic Games, deemed unofficial 43 years after they were held. The nation made its debut at the 1900 Summer Olympics. Canada competes under the IOC country code CAN.
Originally having participated in Olympics as the delegation of the Republic of China (ROC) from 1924 Summer Olympics to 1976 Winter Olympics, China competed at the Olympic Games under the name of the People's Republic of China (PRC) for the first time at the 1952 Summer Olympics held in Helsinki, Finland, although they only arrived in time during the last days to participate in one event. That year, the International Olympic Committee (IOC) allowed both the PRC and ROC to compete with the name "China", although the latter withdrew in protest. Due to the dispute over the political status of the "two Chinas", the PRC started a period of isolationism, withdrawing from several international sporting bodies and the UN system until the mid-1970s, when the country participated for the first time in the Asian Games in 1974 and the World University Games in 1977. Returning to the IOC officially only in 1979, which gave it the right to send an official delegation, starting from the 1980 Winter Olympics in Lake Placid, United States. Their first appearance at the Summer Olympic Games after 1952 was the 1984 Summer Olympics in Los Angeles, United States. The People's Republic of China staged boycotts of the Games of the XVI Olympiad in Melbourne, Australia, Games of the XVII Olympiad in Rome, Italy, Games of the XVIII Olympiad in Tokyo, Japan, Games of the XIX Olympiad in Mexico City, Mexico, Games of the XX Olympiad in Munich, Germany, and Games of the XXI Olympiad in Montreal, Canada. China also boycotted the Games of the XXII Olympiad in Moscow, Soviet Union due to the American-led boycott and the ongoing Sino-Soviet split, together with the other countries.
Belize first participated at the Olympic Games in 1968 and has sent athletes to compete in every Summer Olympic Games since then, except when they participated in the American-led boycott of the 1980 Summer Olympics. The nation has never participated in the Winter Olympic Games. From 1968 to 1972, Belize was known by its colonial name of British Honduras.
Guatemala first participated at the Olympic Games in 1952, but then missed the next three Olympiads. Guatemala has sent athletes to compete in every Summer Olympic Games since 1968. The nation has participated in the Winter Olympic Games once, in 1988.
Tajikistan first participated at the Olympic Games as an independent nation in 1996, and has sent athletes to compete in every Summer Olympic Games since then. The nation has also competed at the Winter Olympics since 2002. To date, Andrei Drygin is one of two people ever to have represented Tajikistan at the Winter Olympic Games, being his country's sole competitor in 2002, 2006, and 2010.
Cape Verde competed at the 2008 Summer Olympics in Beijing, China. Their participation marked their fourth Olympic appearance. Two Cape Verdeans competed in the Olympic games: Nelson Cruz participated as a marathon runner, and Wania Monteiro participated in gymnastics. Another athlete, Lenira Santos, was selected to compete in athletics but was forced to pull out due to injury. Monteiro was selected as the flag bearer for both the opening and closing ceremonies. Neither of the Cape Verdeans progressed beyond the first round.
Cape Verde sent a delegation to compete at the 2008 Summer Paralympics in Beijing, People's Republic of China. Its sole athlete was Artimiza Sequeira who competed in technical disciplines of athletics. Cape Verde did not win a medal at these Games.
Cape Verde made its Paralympic Games début at the 2004 Summer Paralympics in Athens, with two competitors in track and field, and one in powerlifting. The country sent a single athlete to the 2008 Games, to compete in the women's shot put, discus and javelin.
Cape Verde competed at the 2012 Summer Olympics which were held in London, United Kingdom from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its debut in 1996. The delegation included Ruben Sança, a long-distance runner; Lidiane Lopes, a sprinter; and Adysângela Moniz, a judoka. Moniz and Sança were also selected as the flag bearers for the opening and closing ceremonies respectively. Of the three Cape Verdean athletes, only Moniz progressed further than the first round.
Cape Verde competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The nation's participation in Rio de Janeiro marked its sixth appearance at the Summer Olympics since its debut in 1996.
São Tomé and Príncipe competed at the 2016 Summer Paralympics in Rio de Janeiro, Brazil from 7 to 18 September 2016. The country's participation in Rio marked its debut appearance in the quadrennial event, although it had competed in the Summer Olympics six times since the 1996 Games. The delegation consisted of a single short-distance runner Alex Anjos, who was chosen as São Tomé and Príncipe's flag bearer for the opening ceremony. Anjos was disqualified from the men's 100 metres (T47) for arriving late and failed to advance into the final of the men's 400 metres (T47) after failing to set a fast enough lap time.
Cape Verde sent a delegation to compete at the 2016 Summer Paralympics in Rio de Janeiro, Brazil, from 7 to 18 September 2016. This was the nations' fourth appearance at a Summer Paralympic Games since it made its debut at the 2004 Athens Summer Paralympics. Cape Verde was represented by two athletes in Rio de Janeiro: sprinter Gracelino Barbosa and javelin thrower Márcio Fernandes, who qualified for the Games by meeting the qualification standards of their events. Barbosa won the country's first Paralympic medal with his third-place finish in the men's 400 metres T20 competition and Fernandes came ninth in the F44 men's javelin event.
The medal table of the 2016 Summer Paralympics ranks the participating National Paralympic Committees (NPCs) by the number of gold medals won by their athletes during the competition. The 2016 Paralympics was the fifteenth Games to be held, a quadrennial competition open to athletes with physical and intellectual disabilities. The games were held in Rio de Janeiro, Brazil from 7 September to 18 September.
Cape Verde 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, due to the COVID-19 pandemic. This was the nation's seventh appearance at the Olympics, since its debut in 1996.
