Italy competed at the 1972 Summer Olympics in Munich, West Germany. 224 competitors, 197 men and 27 women, took part in 123 events in 19 sports.
Puerto Rico competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. 80 competitors, 73 men and 7 women, took part in 74 events in 12 sports.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1980 Summer Olympics in Moscow, USSR. 164 competitors, 135 men and 28 women, took part in 69 events in 17 sports.
Bulgaria competed at the 1980 Summer Olympics in Moscow, USSR. 271 competitors, 183 men and 88 women, took part in 151 events in 20 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.
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.
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 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. Selected athletes from the Baltic states also competed on 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.
Canada competed at the 1992 Summer Olympics in Barcelona, Spain, held from 25 July to 9 August 1992. 295 competitors, 179 men and 116 women, took part in 199 events in 24 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.
Canada competed at the 1996 Summer Olympics in Atlanta, United States, held from 19 July to 4 August 1996. 303 competitors, 152 men and 151 women, took part in 189 events in 25 sports.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1972 Summer Olympics in Munich, West Germany. 126 competitors, 113 men and 13 women, took part in 73 events in 15 sports.
Cuba competed at the 1996 Summer Olympics in Atlanta, United States. 164 competitors, 111 men and 53 women, took part in 84 events in 15 sports.
Puerto Rico competed at the 1992 Summer Olympics in Barcelona, Spain.
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.
Athletes from the Federal Republic of Yugoslavia competed at the 1996 Summer Olympics in Atlanta, United States. These Games were the first Olympic appearance of Montenegrin and Serbian athletes under the Flag of the Federal Republic of Yugoslavia and the continuation of the use of Yugoslavia as a designation. The nation was not allowed to participate at the 1992 Summer Olympics because of international sanctions. Several Yugoslav athletes competed as Independent Olympic Participants at those Games. New Yugoslavia participated in thirteen sports: athletics, basketball, canoe/kayak, diving, fencing, judo, shooting, swimming, table tennis, volleyball, water polo, weightlifting, and wrestling.
Romania competed at the 1984 Summer Olympics in Los Angeles, United States. 124 competitors, 71 men and 53 women, took part in 86 events in 13 sports. Notably, Romania was the only Eastern Bloc nation to participate at these Games; all others followed the Soviet Union's boycott of the Games. The Romanian athletes were greeted with warm applause and even a standing ovation from the spectators as they entered the Los Angeles Memorial Coliseum during the opening ceremony, in part an affirmation of the nation's defiance of the boycott. The Romanian Olympic team was phenomenally successful at the games, ultimately placing second to the United States in the gold medal tally.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1988 Summer Olympics in Seoul, South Korea. This was the last time that the SFR Yugoslavia competed in the Summer Olympics. 155 competitors, 117 men and 38 women, took part in 72 events in 18 sports.
Borut Petrič is a former Yugoslav freestyle swimmer, who represented Yugoslavia in three consecutive Summer Olympics, starting in 1976. A brother of swimmer Darjan Petrič, he won the silver medal in the men's 1500 m freestyle at the 1978 World Aquatics Championships in Berlin. Petrič was the youngest participant at the 1976 Summer Olympics in Montreal, Quebec, Canada. He also won a gold medal on 400 m freestyle in 1981. In the same year, Petrič received the Golden Badge award for best athlete of Yugoslavia. He is the coach at swimming club Fužinar Ravne.
Serbia (1912, 2008–)
Croatia (1992–)
Slovenia (1992–)
Bosnia and Herzegovina (1992 S–)
Independent Olympic Participants (1992 S)
North Macedonia (1996–)
Serbia and Montenegro (1996–2006)
Montenegro (2008–)
Kosovo (2016–)
