The Olympic Council of Asia (OCA) is a governing body of sports in Asia, currently with 45 member National Olympic Committees. Talal Fahad Al-Ahmad Al-Sabah was elected as President of the OCA on 8 July 2023. However, on 30 July 2023, the International Olympic Committee (IOC) asked Randhir Singh, who was previously the acting president, to continue as the Acting President of the OCA, while the IOC investigated the OCA presidential election of 2023. On 13 October 2023, the IOC ethics committee asked the OCA to annul its 2023 elections due to Talal’s candidacy not fulfilling the eligibility conditions defined by the OCA Constitution and election interference by his brother Ahmad Al-Fahad Al-Sabah.
Thailand participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia as a competing nation, from 18 August to 2 September 2018. This is the nation's eighteenth appearance at the Asian Games, since the inaugural games in New Delhi.
Indonesia was the host nation of 2018 Asian Games held in Jakarta and Palembang from 18 August to 2 September 2018. Indonesia competed with 938 athletes, the most in the Games.
India competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September. Neeraj Chopra was the flag bearer for the opening ceremony while Rani Rampal was named as the flag bearer for the closing ceremony.
The men's 5-on-5 basketball tournament at the 2018 Asian Games was held in Jakarta, Indonesia from 14 August to 1 September 2018.
The women's tournament in volleyball at the 2018 Asian Games was the 18th edition of the event at an Asian Games, organised by the Asian Volleyball Confederation in conjunction with the OCA. It was held in Jakarta, Indonesia from 19 August to 1 September 2018.
Chinese Taipei competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. At the last Games in Incheon, the country bagged a total 51 medals, including 10 gold, 18 silver, and 23 bronze. This time, Chinese Taipei is set to send a 738-strong team to compete in 36 of 40 sporting events, including 588 athletes.
Hong Kong competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. Hong Kong made its debut at the Asian Games in 1954 Manila, and the best achievement for the territory was in 2010 Asian Games held in neighboring Guangzhou, finishing with 8 gold, 15 silver and 17 bronze medals totaling 40 medals. At the previous edition in held 4 years later in Incheon, the total number of medals increased to 42, but the number of gold medals fell to 6. In Indonesia the performance of local athletes was satisfactory, improving the results obtained in 2010 and 2014 with 46 medals achieving the best results at the games.
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.
Kazakhstan participated in the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.
Japan participated in the 2018 Asian Games as a competing nation, 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.
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.
Myanmar competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018. Myanmar has participated in all the editions of the Asian Games except in the 1986 Games in Seoul. Volleyball player Zaw Lwin Tun, had been honored to be the flag-bearer for the country at the opening ceremony.
Maldives competed at the 2018 Asian Games in Jakarta and Palembang, Indonesia, from 18 August to 2 September 2018.
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.
Baseball at the 2018 Asian Games was held in Jakarta, Indonesia from 21 August to 1 September 2018. A total of ten teams, the most ever, competed in the competition at two competition venues in Jakarta: Gelora Bung Karno Baseball Field and Rawamangun Baseball Field. The baseball teams of Laos, Sri Lanka and hosts Indonesia made their Asian Games baseball debut. The top six ranked teams, along with the hosts Indonesia, advanced to the main draw. The bottom three teams competed, with the winner advancing to the main draw.
The men's beach volleyball tournament at the 2018 Asian Games took place at the JSC Beach Volley Arena, Palembang, Indonesia from 19 to 28 August 2018.
The women's beach volleyball tournament at the 2018 Asian Games took place at the Jakabaring Beach Volley Arena, Palembang, Indonesia from 19 to 27 August 2018.
