Israel competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. It was the nation's thirteenth appearance at the Summer Olympics.
Senegal 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.
Bulgaria competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. It was the nation's nineteenth appearance at the Summer Olympics, having missed the Olympics on three occasions, including the 1948 Summer Olympics in London due to the nation's role in World War II and 1984 Summer Olympics in Los Angeles because of the Soviet boycott. Despite this being London's third Olympic Games, this was the first time a Bulgarian team appeared at a London Olympics. The Bulgarian Olympic Committee sent the nation's smallest delegation to the Games, tying the record with Helsinki in 1952, and with Tokyo in 1964. A total of 63 athletes, 36 men and 27 women, competed in 16 sports. Men's volleyball was the only team event in which Bulgaria was represented in these Olympic games. There was only a single competitor in badminton, sprint canoeing, fencing, and judo.
Slovakia competed in the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifth consecutive appearance at the Summer Olympics. The Slovak Olympic Committee sent a total of 47 athletes to the Games, 26 men and 21 women, to compete in 11 sports. There was only a single competitor in badminton, judo, triathlon, and weightlifting.
Chile competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This nation has competed at every Olympic Games, except the 1932 Summer Olympics in Los Angeles, and the 1980 Summer Olympics in Moscow because of 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.
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.
Ecuador competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's twelfth consecutive appearance at the Olympics. It had first competed at the 1924 Summer Olympics in Paris.
Puerto Rico competed at the 2012 Summer Olympics in London, United Kingdom from July 27 to August 12, 2012. This was the nation's seventeenth consecutive appearance at the Olympics.
Bosnia and Herzegovina competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's sixth appearance at the Summer Olympics.
Barbados competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This nation marked its eleventh appearance at the Olympic games.
Benin competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's tenth appearance at the Olympics, except the 1976 Summer Olympics in Montreal because of the African boycott.
Burundi competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's fifth appearance at the Olympics.
Djibouti competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. This was the nation's seventh appearance at the Olympics.
Venezuela competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. This was the nation's seventeenth consecutive appearance at the Olympics, since its debut at the same host city in 1948. Celebrating the anniversary of the nation's Olympic debut, the British Embassy in Caracas invited former track cyclist Julio César León to travel back to the United Kingdom, and revisit his memories as the first Venezuelan athlete in history to compete at the games.
Liberia competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's eleventh appearance at the Olympics since its debut in 1956.
American Samoa competed at the 2012 Summer Olympics in London, United Kingdom from July 27 to August 12, 2012. This nation marked its seventh appearance at the Olympics. Five athletes from American Samoa were selected to the Games; all of them were given under Universality slots and tripartite invitation, without being qualified. Freestyle swimmer Ching Maou Wei became the nation's first male flag bearer at the opening ceremony since 1996. Among the sports played by the athletes, American Samoa also marked its Olympic return in wrestling after 16 years. American Samoa, however, has yet to win its first ever Olympic medal.
Iceland competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1912, Icelandic athletes have appeared in every edition of the Summer Olympic Games, except for four occasions as a result of the worldwide Great Depression.
Guyana 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 Summer Olympics as an independent state, although it had previously represented in five other editions under the name British Guiana. Guyana joined the African-led boycott of the 1976 Summer Olympics in Montreal.
