Japan competed at the 1984 Summer Olympics in Los Angeles, United States. Japan returned to the Games after participating in the American-led boycott of the 1980 Summer Olympics. 226 competitors, 174 men and 52 women, took part in 147 events in 22 sports.
Switzerland competed at the 1984 Summer Olympics in Los Angeles, United States. 129 competitors, 102 men and 27 women, took part in 91 events in 18 sports.
Norway was represented at the 1984 Summer Olympics in Los Angeles by the Norwegian Olympic Committee and Confederation of Sports. Norway returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. 103 competitors, 84 men and 19 women, took part in 76 events in 17 sports.
Australia competed at the 1984 Summer Olympics in Los Angeles, United States. Australian athletes have competed in every Summer Olympic Games. 242 competitors, 169 men and 73 women, took part in 137 events in 22 sports.
Spain competed at the 1984 Summer Olympics in Los Angeles, United States. 179 competitors, 163 men and 16 women, took part in 104 events in 23 sports.
Turkey competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. 46 competitors, 45 men and 1 woman, took part in 49 events in 10 sports.
Hong Kong competed at the 1984 Summer Olympics in Los Angeles, United States. The territory returned to the Olympic Games after participating in the American-led boycott of the 1980 Summer Olympics. 47 competitors, 36 men and 11 women, took part in 47 events in 10 sports.
Belgium competed at the 2000 Summer Olympics in Sydney, Australia.
Kazakhstan competed at the 2000 Summer Olympics in Sydney, Australia. 130 competitors, 86 men and 44 women, took part in 104 events in 17 sports.
Australia competed at the 1988 Summer Olympics in Seoul, South Korea. 252 competitors, 180 men and 72 women, took part in 145 events in 24 sports. Australian athletes have competed in every Summer Olympic Games of the modern era.
The Republic of China competed as Chinese Taipei at the 2000 Summer Olympics in Sydney, Australia. The change in name was due to the political status of Taiwan. In addition, they flew a flag especially designed for the games separate from the flag of the Republic of China. In Mainland China, the team is known as the "Zhongguo Taibei Team" (中国台北队), and in Taiwan the team is known as the "Zhonghua Team" (中華隊).
Kyrgyzstan competed at the 2000 Summer Olympics in Sydney, Australia. Kyrgyzstan won their first Olympic medal at these games. 48 competitors, 35 men and 13 women, took part in 59 events in 9 sports.
Jamaica competed at the 1984 Summer Olympics in Los Angeles, United States. 45 competitors, 31 men and 14 women, took part in 35 events in 5 sports.
Trinidad and Tobago competed at the 1984 Summer Olympics in Los Angeles, United States. Sixteen competitors, eleven men and five women, took part in fourteen events in five sports.
Uruguay competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Olympic Games after participating in the American-led boycott of the 1980 Summer Olympics. Eighteen competitors, seventeen men and one woman, took part in eleven events in five sports.
Guatemala competed at the 1984 Summer Olympics in Los Angeles, United States. 24 competitors, 20 men and 4 women, took part in 40 events in 9 sports.
The Philippines competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. 19 competitors, 15 men and 4 women, took part in 28 events in 6 sports.
The United States Virgin Islands competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. 29 competitors, 26 men and 3 women, took part in 31 events in 7 sports.
Fiji competed at the 1984 Summer Olympics in Los Angeles, United States. The nation returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. Fourteen competitors, eleven men and three women, took part in twenty-two events in five sports.
Barbados sent a delegation to compete at the 2008 Summer Olympics in Beijing, China. The island nation made its tenth appearance as an independent nation upon its arrival in Beijing. Eight athletes across three sports and ten events represented Barbados, marking the smallest delegation in its history up to the Beijing Games. Its runners and swimmers advanced past the first rounds in their events in four of their nine events, although none advanced to their events' final rounds or medaled. The nation's flagbearer during the Beijing Games was swimmer Bradley Ally.
