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.
Sweden competed at the 1984 Summer Olympics in Los Angeles, California, United States. 174 competitors, 131 men and 43 women, took part in 138 events in 19 sports.
West Germany competed at the 1984 Summer Olympics in Los Angeles, United States. West Germany had joined the American-led boycott of the 1980 Summer Olympics four years previously. 390 competitors, 267 men and 123 women, took part in 194 events in 25 sports.
The Netherlands competed at the 1984 Summer Olympics in Los Angeles, United States. 136 competitors, 82 men and 54 women, took part in 74 events in 15 sports.
France competed at the 1984 Summer Olympics in Los Angeles, United States. 238 competitors, 189 men and 49 women, took part in 139 events in 21 sports.
The People's Republic of China competed at the 1984 Summer Olympics in Los Angeles, United States. It was the first appearance at the Summer Games for the country after its mostly symbolic presence at the Summer Games in 1952 during which the dispute between the Republic of China and the PRC resulted in the former withdrawing all its athletes. After 1952 and until these games, the PRC boycotted the Olympics due to the Taiwan's presence as the Republic of China. In 1984, the Republic of China competed as Chinese Taipei and the PRC competed as China. Due to the then ongoing Sino-Soviet split, China did not participate in the Soviet-led boycott. In the previous games, China participated the United States-led boycott to protest the Soviet invasion of Afghanistan in 1979.
Italy competed at the 1984 Summer Olympics in Los Angeles, United States; 268 competitors, 222 men and 46 women, took part in 151 events in 23 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.
Canada competed at the 1984 Summer Olympics in Los Angeles, United States, held from 28 July to 12 August 1984. Canada returned to the Summer Games after having participated in the American-led boycott of the 1980 Summer Olympics. 408 competitors, 257 men and 151 women, took part in 193 events in 23 sports.
The Netherlands competed at the 1988 Summer Olympics in Seoul, Republic of Korea. 147 competitors, 93 men and 54 women, took part in 86 events in 17 sports.
Sweden competed at the 1988 Summer Olympics in Seoul, South Korea. 185 competitors, 148 men and 37 women, took part in 113 events in 23 sports. For the first time since the 1900 Summer Olympics, Sweden failed to win a gold medal.
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 Czech and Slovak Federative Republic competed as a nation for the last time at the 1992 Summer Olympics in Barcelona, Spain. After the dissolution of Czechoslovakia at the end of 1992, the Czech Republic and Slovakia would compete as independent nations at the 1996 Summer Olympics. 208 competitors, 146 men and 62 women, took part in 121 events in 25 sports.
Sweden competed at the 1992 Summer Olympics in Barcelona, Spain. 187 competitors, 143 men and 44 women, took part in 121 events in 22 sports.
Portugal competed at the 1992 Summer Olympics in Barcelona, Spain. 90 competitors, 68 men and 22 women, took part in 71 events in 14 sports.
South Korea competed as Korea at the 1996 Summer Olympics in Atlanta, United States. 300 competitors, 189 men and 111 women, took part in 160 events in 25 sports.
Australia competed at the 1996 Summer Olympics in Atlanta, United States. Australia sent 417 athletes, 250 men and 167 women, to the Atlanta Games.
Portugal competed at the 1996 Summer Olympics in Atlanta, United States.
Czechoslovakia competed at the 1988 Summer Olympics in Seoul, South Korea, after having boycotted the previous Games in 1984. 163 competitors, 110 men and 53 women, took part in 97 events in 17 sports.
Australasia (1908–1912)
