The Soviet Union (USSR) was the host nation of the 1980 Summer Olympics in Moscow. 489 competitors, 340 men and 149 women, took part in 202 events in 23 sports.
Sweden competed at the 1980 Summer Olympics in Moscow, Soviet Union. 145 competitors, 122 men and 23 women, took part in 102 events in 18 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 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, becoming the only communist country to boycott Olympics held by another communist country.
Great Britain, represented by the British Olympic Association (BOA), competed at the 1984 Summer Olympics in Los Angeles, United States. British athletes have competed in every Summer Olympic Games. 337 competitors, 229 men and 108 women, took part in 190 events in 20 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.
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 Soviet Union (USSR) competed, for the last time before its dissolution, at the 1988 Summer Olympics in Seoul. 481 competitors, 319 men and 162 women, took part in 221 events in 27 sports. Athletes from 12 of the ex-Soviet republics would compete as the Unified Team at the 1992 Summer Olympics, and each nation would field independent teams in subsequent Games.
Great Britain, represented by the British Olympic Association (BOA), competed at the 1988 Summer Olympics in Seoul, South Korea. 345 competitors, 219 men and 126 women, took part in 191 events in 22 sports. British athletes have competed in every Summer Olympic Games.
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 Unified Team at the 1992 Summer Olympics in Barcelona, Spain, was a joint team consisting of twelve of the fifteen former Soviet republics that chose to compete together. The previously Soviet-occupied states of Estonia, Latvia, and Lithuania competed separately. The team has been informally called the Commonwealth of Independent States team, though Georgia was not yet a member of the CIS when it competed as part of the Unified Team. It competed under the IOC country code EUN. A total of 475 competitors, 310 men and 165 women, took part in 234 events in 27 sports.
Australia competed at the 1992 Summer Olympics in Barcelona, Spain. Australian athletes have competed in every Summer Olympic Games of the modern era. 279 competitors, 187 men and 92 women, took part in 153 events in 25 sports.
The People's Republic of China competed at the 1992 Summer Olympics in Barcelona, Spain. 244 competitors, 117 men and 127 women, took part in 144 events in 23 sports.
Hungary competed at the 1992 Summer Olympics in Barcelona, Spain. 217 competitors, 159 men and 58 women, took part in 156 events in 23 sports.
Finland competed at the 1996 Summer Olympics in Atlanta, Georgia, United States. 76 competitors, 47 men and 29 women, took part in 74 events in 15 sports.
The People's Republic of China competed at the 1996 Summer Olympics in Atlanta, United States. 294 competitors, 111 men and 183 women, took part in 155 events in 25 sports.
Great Britain, represented by the British Olympic Association (BOA), competed at the 1996 Summer Olympics in Atlanta, United States. British athletes have competed in every single Summer Olympic Games. 300 competitors, 184 men and 116 women, took part in 175 events in 22 sports. The Atlanta games saw Great Britain's worst performance at a Summer Olympics since 1952, finishing in 36th position – below nations such as Belgium, Algeria and Kazakhstan – winning a single gold medal, and 15 medals overall.
Hungary competed at the 1988 Summer Olympics in Seoul, South Korea. The nation returned after the Soviet bloc boycott of the 1984 Summer Olympics. 188 competitors, 152 men and 36 women, took part in 135 events in 20 sports.
Athletes from East Germany competed at the 1980 Summer Olympics in Moscow, USSR. 346 competitors, 222 men and 124 women, took part in 167 events in 17 sports.
Athletes from East Germany competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. 267 competitors, 154 men and 113 women, took part in 139 events in 17 sports.
Germany (1896–1936, 1992–)
United Team of Germany (1956–1964)
