Sri Lanka 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, with the exception of the 1976 Summer Olympics in Montreal. Six of the nation's Olympic editions were previously designated as Ceylon.
Malta 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 Summer Olympics, since its debut in 1928, although it failed to register any athletes in five other editions.
Andorra competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's eleventh consecutive appearance at the Summer Olympics.
Kuwait 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, due to the COVID-19 pandemic. It was the nation's thirteenth appearance at the Summer Olympics, although it competed under the Independent Olympic Athletes at the previous Games in 2016, resulting to the country's suspension by the International Olympic Committee for government interference.
Bangladesh 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 tenth appearance at the Summer Olympics.
Pakistan 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 Pakistan's eighteenth appearance at the Summer Olympics.
Mozambique 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 tenth consecutive appearance at the Summer Olympics.
Lebanon 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.
Sri Lanka 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 eighteenth appearance at the Summer Olympics, with the exception of the 1976 Summer Olympics in Montreal. Seven of the nation's previous Olympic appearances were under the name Ceylon.
Jordan competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's 11th consecutive appearance at the Summer Olympics.
Tonga 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, due to the COVID-19 pandemic. It was the nation's tenth consecutive appearance at the Summer Olympics.
Nicaragua 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, having competed at every Games since 1968 with the exception of the 1988 Summer Olympics in Seoul because of its partial support of the North Korean boycott.
Monaco competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were rescheduled for 23 July to 8 August 2021, due to the COVID-19 pandemic. Since the nation's official debut in 1920, Monegasque athletes have appeared in every edition of the Summer Olympic Games throughout the modern era, except for three occasions; Monaco did not attend the 1932 Summer Olympics in Los Angeles at the period of the worldwide Great Depression, failed to register any athletes at the 1956 Summer Olympics in Melbourne, and also joined the United States-led boycott when Moscow hosted the 1980 Summer Olympics.
Nepal, represented by the Nepal Olympic Committee (NOC), 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. Nepalese athletes have appeared in every Summer Olympics since 1964, with the exception of 1968.
Afghanistan 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.
Oman competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place during the summer of 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic.
Yemen 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.
The Maldives competed at the 2020 Summer Olympics in Tokyo which were held from 23 July to 8 August 2021. Originally scheduled to take place from 24 July to 9 August 2020, the event was postponed due to the COVID-19 pandemic. This was the nation's ninth appearance at the Summer Olympics since its debut in 1988. The delegation consisted of four athletes, two men and two women, competing in four events across three sports. Two athletes participated in the swimming tournament: Mubal Azzam Ibrahim and Aishath Sajina. Athlete Hassan Saaid, a returning competitor from the 2016 Rio Olympics competed in the men's 100 m. Fathimath Nabaaha Abdul Razzaq was the first badminton player the Maldives entered into the Olympic tournament since the 2012 London Olympics. For the first time, in an effort to promote gender equality, two flagbearers, one male and one female were allowed at the Olympics. Nabaaha and Mubal lead the Maldivian squad as the flagbearers in the opening ceremony. The Maldives, however, has yet to win its first ever Olympic medal.
The United States Virgin Islands, also known as the Virgin Islands and officially as the Virgin Islands of the United States, 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 territory's thirteenth appearance at the Summer Olympics.
Palestine 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, due to the COVID-19 pandemic. It is the nation's seventh appearance at the Summer Olympics.
