Uganda competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation there marked its 13th appearance in the Summer Olympics since its début at the 1956 Summer Olympics. The delegation consisted of eleven track and field athletes that included Moses Ndiema Kipsiro, Benjamin Kiplagat, and Stephen Kiprotich, one each in badminton and weightlifting, and two swimmers. Ekiring, Ssekyaaya, Mugula, and Lunkuse had qualified through wildcard places, while the rest of the delegation satisfied the Games' qualification standards for their respective events. Mugula was selected as the team captain. Mugula was also selected as the flag bearer for both the opening and closing ceremonies. The country's best result at these Games was a gold medal for Kiproitch in the men's marathon, its first such medal since the 1972 Munich Olympics.
Ethiopia competed at the 2016 Summer Olympics in Rio de Janeiro, from 5 to 21 August 2016. The country's participation in Rio de Janeiro marked its thirteenth appearance at the Summer Olympics since its debut in 1956, having missed three occasions for joining the African (1976), Soviet (1984), and North Korean (1988) boycotts.
Burundi 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.
Bahrain competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This nation marked its ninth consecutive appearance at the Summer Olympics.
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.
Grenada 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.
Saint Lucia 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.
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.
Uruguay 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, Uruguayan athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its partial support to the United States-led boycott.
Palestine 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.
Kyrgyzstan 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 Olympics in the post-Soviet era.
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.
Rwanda 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.
Ghana 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, having taken part in all but three editions since its debut at the 1952 Summer Olympics. Ghana did not attend the 1976 Olympics because of the African boycott and did not attend the 1980 Olympics because of the United States boycott.
Libya 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 Olympics since its debut at the 1964 Summer Olympics in Tokyo; seven of them were represented by the Libyan athletes under the name Libyan Arab Jamahiriya.
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.
The Central African Republic 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 since its debut in 1968. Central African Republic failed to register any athletes at the 1972 Summer Olympics in Munich, and was part of the African and United States-led boycotts in 1976 and 1980, respectively.
Turkmenistan 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.
Comoros 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.
The Federated States of Micronesia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's fifth consecutive appearance at the Summer Olympics.
