The Philippines competed at the 1924 Summer Olympics in Paris, France, from May 4 to July 27, 1924. The nation's participation at these Games marked its debut, and the debut of any Southeast Asian country, at the Summer Olympics. The delegation comprised one athlete, sprinter David Nepomuceno, and two officials, attaché B. Minelle and athletics coach and executive officer Regino Ylanan. Two other athletes, Fortunato Catalon and Juan Taduran, were supposed to join Nepomuceno but did not compete.
The Maldives competed in the 2008 Summer Olympics, which were held in Beijing, China from August 8 to August 24, 2008. The country's participation at the Beijing Olympics marked its seventh appearance in the Summer Olympics since its debut at the 1988 Summer Olympics. The delegation included four athletes, two in athletics, and two in swimming who participated in four distinct events. Its four athletes did not advance past the first round in each of their events. Aminath Rouya Hussain carried the Maldivian flag during the parade of nations of the opening ceremony with sprinter Ali Shareef being the flagbearer for the closing ceremony. The country failed to win an Olympic medal at these Games and has yet to win their first medal.
Cayman Islands competed at the 2012 Summer Olympics in London, United Kingdom from 27 July to 12 August 2012. This was the nation's ninth appearance at the Olympics, except the 1980 Summer Olympics in Moscow due to the United States-led boycott.
Saint Kitts and Nevis competed at the 2016 Summer Olympics in Rio de Janeiro, from August 5 to 21, 2016. This was the nation's sixth consecutive appearance at the Summer Olympics.
Lesotho 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, except 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.
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.
Belize 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 Olympic Games, although it had previously appeared in two early editions under the name "British Honduras". Belize joined the United States-led boycott of the 1980 Summer Olympics hosted in Moscow, Russia. The delegation included two track and field athletes: Brandon Jones and Katy Sealy, as well as judoka Renick James. All three athletes made their Olympic debut. Belize Olympic and Commonwealth Games Association appointed 200 metres sprinter Brandon Jones to carry the nation's flag in the opening ceremony. Belize, however, has yet to win its first Olympic medal.
Liberia 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 Olympics since its debut in 1956, except for four occasions. Liberia failed to register any athletes at both the 1968 and 1992 Summer Olympics, joined the rest of the African nations to boycott the 1976 Summer Olympics in Montreal, and joined the United States-led boycott of the 1980 Summer Olympics, withdrawing after the opening ceremony.
Brunei, officially known as Brunei Darussalam, competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's seventh appearance at the Summer Olympics since its debut at the 1988 Summer Olympics. Brunei failed to register any athletes in two editions of the Games: 1992 in Barcelona and 2008 in Beijing.
American Samoa competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from July 24 to August 9, 2020, the Games were postponed to July 23 to August 8, 2021, because of the COVID-19 pandemic. The country's participation in Tokyo marked its ninth consecutive appearance in the Summer Olympics since its debut in the 1988 Summer Olympics.
Nauru 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. The country's participation in Tokyo marked its seventh appearance at the Summer Olympics since its debut in 1996.
Saint Kitts and Nevis competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the event was postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. This was the nation's seventh appearance at the Summer Olympics since their debut in 1996. The delegation consisted of two athletes, competing in athletic events; Jason Rogers and Amya Clarke. For the first time, in an effort to promote gender equality, two flagbearers, one male and one female were allowed at the Olympics. Both athletes from Saint Kitts and Nevis bore the national flag at the opening ceremony. Saint Kitts and Nevis did not win any medals during the Tokyo Olympics. Rogers ranked third in the first round of the men's 100 metres and advanced to the semifinals where he was eliminated. Clarke also ranked third in her preliminary round of the women's 100 metres and advanced to round 1 where she ranked 7th and was eliminated.
Kiribati competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, it was postponed to 23 July to 8 August 2021, due to the COVID-19 pandemic. The country's participation in Tokyo marked its fifth appearance at the Summer Olympics since its debut in 2004.
Mauritania 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 Games were postponed due to the COVID-19 pandemic. It was the nation's tenth appearance at the Summer Olympics since its debut in 1984. The delegation consisted of two athletes, one man and one woman, competing in two athletic events. Sprinters Abidine Abidine and Houlèye Ba represented Mauritania in the men's 5000 metres and women's 800 metres event, respectively. For the first time, in an effort to promote gender equality, two flagbearers, one male and one female were allowed at the Olympics. Abidine and Houlèye lead the Mauritanian squad as the flagbearers in the opening ceremony. As of 2023, Mauritania, however, has yet to win its first ever Olympic medal.
The British Virgin Islands competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's eleventh consecutive appearance at the Summer Olympics.
Tonga competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's official debut in 1984, Tongan athletes have competed in every edition of the Summer Olympic Games.
Solomon Islands competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. This marked its eleventh appearance at the Summer Olympics.
Palau competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. It was the nation's seventh consecutive appearance at the Summer Olympics.
Somalia competed at the 2024 Summer Olympics in Paris from 26 July to 11 August 2024. Since the nation's debut in 1972, Somalia competed in every Summer Olympics except for three occasions: 1976, due to Congolese-led boycott, 1980, due to US led boycott, and 1992, due to political reasons. It will be the nation's eleventh appearance at the Summer Olympics.
