Yemen competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's sixth consecutive appearance at the Olympics since its reunification in 1990.
Thailand competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow because of its support for 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.
Panama competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's sixteenth appearance at the Olympics since its debut in 1920. Panama did not compete on four occasions, including the 1980 Summer Olympics in Moscow, because of its partial support of the United States boycott.
Peru competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's seventeenth appearance at the Olympics, having only missed the 1952 Summer Olympics in Helsinki.
Indonesia competed at the 2012 Summer Olympics in London, United Kingdom from July 27 to August 12, 2012. This was the nation's fourteenth appearance at the Olympics, having not competed at the 1964 Summer Olympics in Tokyo and the 1980 Summer Olympics in Moscow because of the United States boycott.
Papua New Guinea competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's ninth appearance at the Olympics. Papua New Guinea has appeared at every Summer Olympics since 1976, except the 1980 Summer Olympics in Moscow because of its partial support for the United States boycott.
Jordan competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's ninth consecutive appearance at the Olympics.
Turkmenistan competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's fifth consecutive appearance at the Olympics.
Kyrgyzstan competed at the 2012 Summer Olympics in London, United Kingdom from 27 July 2012 to 12 August 2012. This was the nation's fifth appearance at the Olympics in the post-Soviet era.
Cambodia, which is represented by the National Olympic Committee of Cambodia (NOCC), competed at the 2012 Summer Olympics in London from 27 July to 12 August 2012. Six Cambodian athletes competed in the disciplines of track and field athletics, swimming, taekwondo, and judo.
The Middle Eastern nation of Iraq competed at the 2012 Summer Olympics in London, held from 27 July to 12 August 2012. This was the nation's thirteenth appearance at the Olympics since its debut at the 1948 Summer Olympics in the same host city.
Myanmar competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixteenth appearance at the Olympics, although it had previous competed in most editions under the name Burma. Myanmar did not attend the 1976 Summer Olympics in Montreal for political reasons.
Barbados competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's twelfth appearance at the Summer Olympics, with the exception of the 1980 Summer Olympics in Moscow, because of its partial support to the United States-led boycott.
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.
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.
Cambodia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The nation's participation marked its sixth consecutive appearance at the Summer Olympics, although it had previously appeared in three editions under the name Kampuchea.
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.
Bangladesh 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.
