The Maldives competed at the 1992 Summer Olympics in Barcelona, Spain, from 25 July to 9 August 1992. The delegation's participation in the Barcelona Olympics marked the Maldives' second appearance at the Summer Olympics since their debut at the 1988 Summer Olympics in Seoul, South Korea. Seven athletes competed across two sports; Ahmed Shageef, Mohamed Amir, Hussain Riyaz, Hussein Haleem and Aminath Rishtha in track and field, and Ahmed Imthiyaz and Mohamed Rasheed in swimming. None of the track or swimming athletes advanced past the first round in their events, and no Maldivian has won a medal in any events.
Equatorial Guinea competed at the 1984 Summer Olympics in Los Angeles, United States, which were held from 28 July to 12 August. This was the first time the country took part in a Summer Olympics. The delegation consisted of four athletics competitors: sprinters Gustavo Envela and Secundino Borabota, and middle-distance runners Bartolomé Esono Asumu and Diosdado Lozano. All four failed to advance beyond the initial heats in their respective competitions. The best performance came from Envela who placed fifth in the eighth heat of the men's 100 metres.
Saint Kitts and Nevis first participated at the Olympic Games in 1996, and have competed in every Summer Olympic Games since then. The country has never won an Olympic medal and has not competed at the Winter Olympic Games.
Comoros took part in the 2008 Summer Olympics, held in Beijing, China from 8 to 24 August 2008. It was Comoros's fourth appearance in the summer Olympics since its debut in 1996. The Comoros team included three athletes: runners Mhadjou Youssouf and Feta Ahamada, and swimmer Mohamed Attoumane. Ahamada, a 100 metres sprinter, was the flag bearer for the opening ceremony, the first woman to be given the honour. None of the Comoros athletes progressed further than the qualifying heats.
Equatorial Guinea competed at the 2008 Summer Olympics in Beijing, which was held from 8 to 24 August 2008. The country's participation at London marked its seventh appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included the sprinter Reginaldo Ndong, middle-distance runner Emilia Mikue Ondo and half-middleweight judoka José Mba Nchama. Ndong and Mikue Ondo qualified for the Games through wildcard places and Mba Nchama entered through his ranking at the 2007 African Judo Championships. Mikue Ondo was chosen as the flag bearer for both the opening and closing ceremonies. Ndong and Mikue Ondo progressed no farther than the first round of their respective events and Mba Nchama was eliminated from contention in the second round of the contest.
Niger sent five athletes, their second largest contingent ever, equalling the most sports in which they have participated. to compete at the 2008 Summer Olympics in Beijing, China. It was Niger's 10th Olympics; their only medalist has been Issaka Dabore, in boxing, at the 1972 games.
Barakat Mubarak Al-Harthi is an Omani sprinter who specializes in the 100 metres.
Comoros competed at the 2012 Summer Olympics in London, England, which was held from 27 July to 12 August 2012. The country's participation at London marked its fifth appearance in the Summer Olympics since its début at the 1996 Summer Olympics. The delegation included two track and field athletes: Maoulida Darouèche and Feta Ahamada, and one swimmer, Ayouba Ali Sihame, all three qualified for the Games through wildcard places. Ahamada was selected as the flag bearer for the opening ceremony and Darouèche held it at the closing ceremony. Ahamada won her heat in the preliminary round of the women's 100 metres but was eliminated in the heat stages, while Darouèche and Sihame did not advance beyond the first round of their respective events.
The Asian island nation of the Maldives competed at the 2012 Summer Olympics in London from 27 July to 12 August 2012. This was the nation's seventh consecutive appearance at the Olympics, the delegation consisted of two athletes each in track and field and swimming. For the first time since their debut at the Summer Olympics, the Maldives entered one badminton player into the Olympics. Mohamed Ajfan Rasheed, the inaugural Maldivian badminton player to compete at the Olympics, was the nation's flag bearer at the opening ceremony with Azneem Ahmed carrying the Maldivian flag in the closing ceremony. All the athletes qualified for the games through wild cards from International Association of Athletic Federations FINA and Badminton World Federation. The Maldives however, has yet to win its first ever Olympic medal.
Lidiane Lopes is a Cape Verdean sprinter who specialises in the 100 metres and 200 metres. She is the current Cape Verdean record holder in the 100-metre sprint. Lopes has competed at both the 2012 and 2016 Summer Olympics. At both Olympics, she competed in the 100 metres. She has also competed in a World Championships, a World Junior Championships, a World Youth Championships, a Jeux de la Francophonie, a Lusophony Games, an African Games, and an Ibero-American Athletics Championships.
The men's 100 metres event at the 2016 Summer Olympics took place between 13–14 August at the Olympic Stadium. 84 athletes from 57 nations competed.
Djibouti competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The nation's participation marked its eighth appearance at the Summer Olympics. Djibouti did not field any athletes at the 2004 Summer Olympics in Athens.
Oman competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, when the event was held from 5 to 21 August 2016. This was the nation's ninth consecutive appearance at the Summer Olympics. Four Omani athletes, two men and two women, were selected to compete in athletics and shooting at the Games. Among them were sprinter Barakat Al-Harthi, the lone returning Olympian from the previous Games.
Somalia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation at Rio de Janeiro marked its ninth in the Summer Olympics since its debut in 1972. The delegation included two track and field athletes: sprinter Maryan Nuh Muse and long-distance runner Mohamed Daud Mohamed, who was the nation's flag bearer in the Parade of Nations. Neither athlete progressed past the first round of their respective competitions.
Equatorial Guinea competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, which was held from 5 to 21 August 2016. The country's participation at Rio marked its ninth appearance in the Summer Olympics since its début in the 1984 Summer Olympics. The delegation included two track and field athletes, Benjamin Enzema and Reïna-Flor Okori who both qualified for the Games through wildcard places since their fastest times did not meet the required qualification standards, Okori was selected as the flag bearer for the opening and closing ceremonies. Enzema did not advance beyond the qualification round for the men's 800 metres event and Okori was unable to start the women's 100 metre hurdles contest.
Guinea 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 since its debut in 1968. Guinea failed to register any athletes at the 1972 Summer Olympics in Munich, and eventually joined the rest of the African nations to boycott the 1976 Summer Olympics in Montreal.
Swaziland competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation in Rio de Janeiro marked its tenth appearance at the Summer Olympics since its debut in 1972. The delegation included two track and field athletes: Sibusiso Matsenjwa in the men's 200 metres and Phumlile Ndzinisa in the women's 100 metres. Both athletes participated at the Games through wildcard places since they did not meet the required standards to qualify. Neither athletes progressed past their heats, although Matsenjwa set a new national record.
Afghanistan competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation at Rio de Janeiro marked its fourth consecutive appearance at the Summer Olympics and fourteenth in total. Afghanistan had officially made its debut in 1936 and missed five editions since then. Rohullah Nikpai, who had previously won a medal for Afghanistan in taekwondo, did not participate. Afghanistan failed to earn a single Olympic medal in Rio for the first time since 2004.
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.
Tuvalu competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The country's participation at Rio de Janeiro marked its third consecutive appearance at the Summer Olympics since its debut in 2008. The delegation included a single track and field athlete: sprinter Etimoni Timuani. Etimoni was also the nation's flagbearer in the Parade of Nations. He did not progress past the first round of his men's 100 metres competition.
Guinea 
