Nauru competed at the 2017 Asian Indoor and Martial Arts Games held in Ashgabat, Turkmenistan from September 17 to 27. 9 participants competed in 3 different sports. Nauru did not win any medals in the multi-sport event.
Qatar competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. Qatar represented by 20 national sport federations, with a plan of over 250 competitors who will be participating across 30 disciplines and also at the 2018 Asian Para Games.
Syria competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.
Mongolia is participating in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. Mongolia made its first appearance at the Asian Games in 1974 Tehran, and have a total 137 medals, including 20 gold, 37 silver, and 80 bronze. At the previous edition in Incheon 2014, Mongolia had collected 21 medals, and standing in the 16th position in medals tally.
The Kyrgyzstan competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. Kyrgyzstan made its first appearance at the Asian Games in 1994 Hiroshima, and the best achievement was in the 2002 Busan, with a gold, 5 silver and 6 bronze medals. At the last edition in Incheon, Kyrgyzstan managed to claim 2 silver and 4 bronze medals.
Pakistan competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. According to the secretary general of Pakistan Olympic Association, around 397 Pakistani athletes participated in the Games.
Nepal competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.
Korea DPR participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. Korea DPR made its first appearance at the Asian Games in 1974 Tehran, and ranked at the top five in 1974, 1978, 1982, and 1990. At the latest games in Incheon, North Korea had collected 36 medals, and standing at the seventh position in medals tally.
Laos participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. Laos first competed at the Asian Games in 1974 Tehran, and the best achievement was in the last edition of 2014 Incheon, when the country gained a silver, and 2 bronze medals.
Tajikistan participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. This event marks as the seventh appearance for Tajikistan since 1994 Hiroshima Games. The best achievement by medals was in 2006 Doha by collecting 2 gold and 2 bronze medals. At the last edition in Incheon, Tajikistan captured a gold, a silver, and 3 bronze medals, made the country standing in 23rd position, as their best ranking since the first occasion.
Uzbekistan participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. Uzbekistan made its debut at the Asian Games in 1994 Hiroshima, and the best achievement was in 2002 Busan, with the acquisition of 15 gold, 12 silver and 24 bronze medals. At the last edition in Incheon, the country wrapped up its campaign with 45 medals in all - nine gold, 14 silver and 22 bronze.
Vietnam competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. The country surpassed its target of winning 3 gold medals at the Games by concluding the competition with 5 gold medals, 15 silver medals, and 19 bronze medals, ranking 16th out of 46 participating members of the Olympic Council of Asia.
Lebanon participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. Lebanon first competed at the Asian Games in 1978 Bangkok, and the best achievement was in the 2006 Doha, when the country gained a gold, and 2 silver medals. At the last edition in Incheon, Lebanon collected 2 medals, a silver and a bronze.
Turkmenistan competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. Turkmenistan first participated at the Asian Games in 1994 Hiroshima, and at the last edition in Incheon, the country won a silver and a bronze medals.
Afghanistan competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. Afghanistan first participated at the Asian Games since the first Games in 1951 Delhi, and have collected five silver and 6 bronze medals until the last event in 2014 Incheon.
Palestine competed in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. Palestine have competed in the Asian Games since 1994 with only one entrant and won their first medal in 2002 Busan with a bronze in boxing. This event marks the eight Asian Games appearance for Palestine.
Cambodia competed in the 2018 Asian Games in Jakarta and Palembang, Indonesia from 18 August to 2 September 2018. This event marks the 12th Asian Games appearance for Cambodia since making their debut in 1954.
Chad competed at the 2019 African Games held from 19 to 31 August 2019 in Rabat, Morocco. In total, four bronze medals were won and the country finished 36th in the medal table.
North Macedonia 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 seventh consecutive appearance at the Summer Olympics and the first under the country's new name.
Guinea 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 twelfth 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. On 22 July, the eve of the opening ceremony, Guinea announced it would withdraw from the Games due to COVID-19 concerns, but later reversed its decision.
North Yemen (1982, 1986)
South Yemen (1982)
