Estonia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's twelfth appearance at the Games and seventh consecutive in the post-Soviet era.
Dominican Republic competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth consecutive appearance at the Summer Olympics.
Kosovo participated at the 2016 Summer Olympics in Rio de Janeiro, Brazil from 5 to 21 August 2016. It was represented by the Olympic Committee of Kosovo (KOK/OKK) with a delegation of eight people, including three men and five women. Most of them were awarded places in their respective sporting events through wild card entries and Tripartite Commission invitations. Two Kosovar athletes, on the other hand, qualified directly for the Olympics on merit: judoka Nora Gjakova and Majlinda Kelmendi, the lone returning Olympian on the team after representing Albania four years earlier in London. The world's top-ranked judoka in her weight category and the frontrunner for the country's first Olympic medal, Kelmendi was selected to become Kosovo's flag bearer in the opening ceremony.
Iran competed at the 2016 Summer Olympics in Rio de Janeiro, from 5 to 21 August 2016. Since the nation's return in 1948 after having made their debut in 1900, Iranian athletes had attended in every Summer Olympic Games of the modern era, with the exception of the 1980 and 1984 Summer Olympics.
Angola competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's ninth consecutive appearance at the Summer Olympics, with the exception of the 1984 Summer Olympics in Los Angeles, because of its participation in the Soviet boycott.
Peru competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1936, Peruvian athletes have appeared in every edition of the Summer Olympic Games throughout the modern era. Peru failed to register any athletes at the 1952 Summer Olympics in Helsinki.
Bolivia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fourteenth appearance at the Summer Olympics, since its debut in 1936.
Zambia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's thirteenth appearance at the Summer Olympics, although it marked its official debut in 1964 under the name Northern Rhodesia. Zambia missed the 1976 Summer Olympics in Montreal, because of its partial support to the African boycott.
Senegal competed at the 2016 Summer Olympics in Rio de Janeiro, from August 5 to 21, 2016. It was the nation's fourteenth consecutive appearance at the Summer Olympics since its debut in 1964.
Honduras competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's eleventh appearance at the Summer Olympics.
Seychelles competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's eighth appearance at the Summer Olympics, with the exception of the 1988 Summer Olympics in Seoul because of its partial support to the North Korean boycott.
Jordan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's tenth consecutive appearance at the Summer Olympics.
Lebanon competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's 17th appearance at the Summer Olympics. Lebanon did not attend the 1956 Summer Olympics in Melbourne, as a response to the Suez Crisis.
Niger competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation made its debut in 1964, Nigerien athletes had participated in every edition of the Summer Olympic Games, except for two rare occasions, the 1976 Summer Olympics in Montreal, and the 1980 Summer Olympics in Moscow because of the African and the US-led boycotts, respectively.
Mali competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation made its debut in 1964, Malian athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott.
Papua New Guinea competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's tenth appearance at the Summer Olympics.
Haiti competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixteenth appearance at the Summer Olympics since its debut in 1900.
Nepal competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's thirteenth consecutive appearance at the Summer Olympics, although it failed to register any athletes in 1968.
Pakistan 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. Pakistan has not won any medal since 1992 Summer Olympics.
Ivory Coast, also known as Côte d'Ivoire and officially as the Republic of Côte d'Ivoire, 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 fourteenth appearance at the Summer Olympics.
