The United States was the host nation of the 1984 Summer Olympics in Los Angeles, California. It was the nineteenth time that Team USA participated, having boycotted the 1980 Summer Olympics. 522 competitors, 339 men and 183 women, took part in 217 events in 25 sports.
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.
Canada competed at the 1984 Summer Olympics in Los Angeles, United States. 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 United States competed at the 1988 Summer Olympics in Seoul, South Korea. 527 competitors, 332 men and 195 women, took part in 230 events in 27 sports.
Italy competed at the 1988 Summer Olympics in Seoul, Korea. 253 competitors, 212 men and 41 women, took part in 140 events in 23 sports.
Portugal competed at the 1988 Summer Olympics in Seoul, Korea.
Canada competed at the 1988 Summer Olympics in Seoul, Korea. 328 competitors, 223 men and 105 women, took part in 193 events in 23 sports. Most Canadians remember this as being the Olympics where Ben Johnson won the gold medal and set a world record in the men's 100 metres, and then was stripped of the medal and the record after testing positive for steroids.
The Unified Team at the 1992 Summer Olympics in Barcelona, Spain, was a joint team consisting of twelve of the fifteen former Soviet republics. 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.
Germany competed at the 1992 Summer Olympics in Barcelona, Spain. It was the first time the European nation participated after German reunification in 1990. Previously, West Germany and East Germany had sent independent teams to the Games. 463 competitors, 300 men and 163 women, took part in 237 events in 26 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.
Sweden competed at the 1996 Summer Olympics in Atlanta, United States. 177 competitors, 111 men and 66 women, took part in 109 events in 22 sports.
Italy competed at the 1996 Summer Olympics in Atlanta, United States. 340 competitors, 236 men and 104 women, took part in 172 events in 27 sports.
France competed at the 1996 Summer Olympics in Atlanta, United States. 299 competitors, 197 men and 102 women, took part in 183 events in 25 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.
Portugal competed at the 1996 Summer Olympics in Atlanta, United States.
Portugal competed at the 2000 Summer Olympics in Sydney, Australia.
Romania competed at the 2000 Summer Olympics in Sydney, Australia. 145 competitors, 71 men and 74 women, took part in 116 events in 16 sports. At the Games, there was some controversy when gymnast Andreea Răducan was stripped of her individual all-around gold medal after testing positive for a stimulant. Răducan had taken cold medicine containing pseudoephedrine given to her by a team doctor.
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.
Trinidad and Tobago competed at the 1968 Summer Olympics in Mexico City, Mexico. 19 competitors, all men, took part in 14 events in 5 sports.
