Great Britain, represented by the British Olympic Association (BOA), competed at the 1980 Summer Olympics in Moscow, USSR. British athletes have competed in every Summer Olympic Games. 219 competitors, 149 men and 70 women, took part in 145 events in 14 sports.
Indonesia 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.
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.
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.
Bulgaria competed at the 1992 Summer Olympics in Barcelona, Spain. 138 competitors, 87 men and 51 women, took part in 116 events in 19 sports.
Kazakhstan competed in the Summer Olympic Games as an independent nation for the first time at the 1996 Summer Olympics in Atlanta, United States. Previously, Kazakhstani athletes competed for the Unified Team at the 1992 Summer Olympics. 96 competitors, 72 men and 24 women, took part in 99 events in 14 sports.
France competed at the 1980 Summer Olympics in Moscow, USSR. In partial support of the American-led boycott of the 1980 Summer Olympics, France competed under the Olympic Flag instead of its national flag. 121 competitors, 98 men and 23 women, took part in 85 events in 13 sports.
Azerbaijan competed at the 2000 Summer Olympics in Sydney, Australia. They won their first gold medal during these games. 31 competitors, 25 men and 6 women, took part in 14 events in 8 sports.
Jamaica competed at the 1980 Summer Olympics in Moscow, USSR. 18 competitors, 11 men and 7 women, took part in 15 events in 2 sports. The Russian alphabet and Japan's participation in the American-led boycott of the games placed it last before the host nation in the Parade of Nations.
Uzbekistan competed in the Summer Olympic Games as an independent nation for the first time at the 1996 Summer Olympics in Atlanta, United States. Previously, Uzbek athletes competed for the Unified Team at the 1992 Summer Olympics. 71 competitors, 63 men and 8 women, took part in 70 events in 12 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.
Jamaica competed at the 1992 Summer Olympics in Barcelona, Spain. 36 competitors, 22 men and 14 women, took part in 23 events in 5 sports.
Cameroon competed at the 1984 Summer Olympics in Los Angeles, United States. 46 competitors, 42 men and 2 women, took part in 32 events in 6 sports.
Ghana competed at the 1968 Summer Olympics in Mexico City, Mexico.
Kenya competed at the 1984 Summer Olympics in Los Angeles, United States. After a twelve-year absence, the nation returned to the Olympic Games after boycotting both the 1976 and 1980 Games.
Cameroon competed at the 1980 Summer Olympics in Moscow, USSR. The nation returned to the Olympic Games after boycotting the 1976 Summer Olympics. 25 competitors, 22 men and 3 women, took part in 23 events in 5 sports.
Nigeria competed at the 1980 Summer Olympics in Moscow, USSR. The nation returned to the Olympic Games after boycotting the 1976 Summer Olympics.
The People's Republic of the Congo competed at the 1980 Summer Olympics in Moscow, USSR. The nation returned to the Olympic Games after boycotting the 1976 Summer Olympics.
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.
The men's 100 metres event was part of the athletics programme at the 1920 Summer Olympics. The competition was held on August 15 and 16, 1920.
