Belarus competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
Turkey competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's debut in 1908, Turkish athletes have appeared in every edition of the Summer Olympic Games, except for three occasions. Turkey failed to register any athletes at the 1920 Summer Olympics in Antwerp, did not attend the 1932 Summer Olympics in Los Angeles at the period of worldwide Great Depression, and also joined the United States-led boycott, when Moscow hosted the 1980 Summer Olympics. The Turkish team consisted of 103 athletes, 55 men and 48 women, across twenty-one sports.
Chinese Taipei competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. "Chinese Taipei" is 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 also the region's ninth consecutive appearance at the Summer Olympics.
Ecuador competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's fourteenth appearance at the Summer Olympics since its debut in 1924.
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.
Kazakhstan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era. The National Olympic Committee of the Republic of Kazakhstan fielded a roster of 104 athletes, 55 men and 49 women, to compete across seventeen different sports at these Games, the smallest Summer Olympic team since the nation's debut in Atlanta 1996. Moreover, Kazakhstan did not send teams in any of the team sports for the first time in twenty years. Track and field accounted for the largest number of athletes on the Kazakh squad, with 25 entries. There was a single competitor each in slalom canoeing, track cycling, fencing, and table tennis.
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.
Qatar 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.
Mongolia 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, Mongolian athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1984 Summer Olympics in Los Angeles, because of its partial support to the Soviet boycott.
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.
Morocco 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.
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 support of the US-led boycott.
Kenya 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.
Algeria competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's debut in 1964, Algerian athletes had appeared in every edition of the Summer Olympic Games, but did not attend the 1976 Summer Olympics in Montreal, Quebec, Canada, because of the African boycott.
Uzbekistan 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.
Mauritius 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.
Armenia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. It was the nation's sixth consecutive appearance at the Summer Olympics in the post-Soviet era.
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.
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.
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.
