The island nation of Kiribati first participated in the 2004 Summer Olympics. It has competed at every Summer Games since then but has not yet entered the Winter Olympics.
The Pacific island nation Nauru first competed at the Summer Olympic Games in the 1996 games in Atlanta. It is the least populated nation in the 206-member International Olympic Committee. The nation is mainly known for its weightlifting tradition and all seven athletes that had competed for Nauru at the Olympics before 2012 were weightlifters.
Thailand first participated at the Olympic Games in 1952, and has sent athletes to compete in every Summer Olympic Games since then, except when they participated in the US-led boycott of the 1980 Summer Olympics. Thailand has also participated in the Winter Olympic Games since 2002.
Mauritania sent a delegation to compete at the 2000 Summer Olympics in Sydney, Australia from 15 September to 1 October 2000. This was the African nation's fifth time competing at the Summer Olympic Games. The Mauritanian delegation consisted of two track and field athletes, Sidi Mohamed Ould Bidjel and Fatou Dieng. Neither advanced beyond the first round of their respective events.
Cyprus has sent athletes to every Olympic Games held since 1980. Cyprus earned its first Olympic medal in the 2012 Summer Olympics when Pavlos Kontides earned a silver medal in the men's laser sailing event. They had a near miss at the 2008 Olympics when Antonis Nikolaidis lost the bronze medal shoot-off in men's skeet. The first modern Olympian from Cyprus was actually Anastasios Andreou in 1896, who competed under the Greek flag. At this time, Cyprus was a British colony.
Togo has sent athletes to every Summer Olympic Games held since 1972 except for 1976 and 1980, which they boycotted, winning their first Olympic medal at the 2008 Summer Olympics when Benjamin Boukpeti won bronze in the K1 kayak slalom event.
The Philippines has competed in every edition of the Summer Olympic Games since its debut in the 1924 edition, except when they participated in the American-led boycott of the 1980 Summer Olympics. Filipino athletes have also competed at the Winter Olympic Games on five occasions since 1972.
Aruba first competed at the Olympic Games in 1988, and has participated in each Summer Olympic Games since then. Aruba has yet to win any Olympic medals.
New Zealand first sent an independent team to the Olympics in 1920. Prior to this, at the 1908 and 1912 Summer Olympics, New Zealand and Australian athletes competed together in a combined Australasia team. New Zealand has also participated in most Winter Olympic Games since 1952, missing only the 1956 and 1964 Games.
The Czech Republic first participated at the Olympic Games as an independent nation in 1994, and has competed in every Summer Olympic Games and Winter Olympic Games since then. Prior to the dissolution of Czechoslovakia in 1993, Czech athletes had competed at the Olympics from 1920 to 1992 as Czechoslovakia and from 1900 to 1912 as Bohemia.
Malaysia first participated at the Olympic Games in 1956, and has sent athletes to compete in every Summer Olympic Games since then, except when Malaysia participated in the American-led boycott of the 1980 Summer Olympics. Malaysia made their debut at the Winter Olympic Games in 2018.
Laos, officially the Lao People's Democratic Republic, has competed in seven Summer Olympic Games. They have not yet appeared at the Winter Olympic Games and also have not yet won an Olympic medal.
The Cook Islands has competed in eight Summer Olympic Games. It has never competed in the Winter Games. The Cook Islands has yet to win a medal as of 2020.
Malta has competed in 17 Summer Olympic Games and 3 Winter Olympic Games.
Vanuatu competed at the 2008 Summer Olympics in Beijing, China. A total of three Vanuatuan athletes competed in two sports. Moses Kamut and Elis Lapenmal competed in, respectively, the men's and women's 100m sprints, and Priscilla Tommy competed in women's singles table tennis after being selected by the IOC's Tripartite Commission. Tommy's appearance in particular was Vanuatu's debut into table tennis. Tommy was also the country's flagbearer during the opening ceremony. The Vanuatuan delegation to Beijing included the country's head of state and prime minister, but only included Elis Lapenmal; the other two athletes did not accompany the delegation and arrived in China at different times.
Mauritania made its Paralympic Games début at the 2000 Summer Paralympics in Sydney. It was represented by a female sprinter and a male powerlifter. The country competed again in 2004, with runner Ezzouha Edidal as its sole representative.
Four independent Olympic Athletes competed at the 2012 Summer Olympics in London, the United Kingdom. These were athletes from the former Netherlands Antilles, and from the newly formed state of South Sudan. This was the third time that athletes had competed as independent participants in the Olympics. None of the athletes won an Olympic medal.
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, with the exception of the 1976 Summer Olympics in Montreal, because of its partial support to the African boycott.
Papua New Guinea 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.
Mauritania 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.
