WBelgium competed at the 1900 Summer Olympics in Paris, France. It was the first appearance of the European nation. Belgium was represented in France by 78 athletes, all of them male, who competed in 11 disciplines. They comprised 95 entries in 28 events.
WBelgium competed at the 1906 Intercalated Games in Athens, Greece. 16 athletes, all men, competed in 22 events in 7 sports.
WBelgium competed at the 1908 Summer Olympics in London, England. It was the second appearance of the European nation, which had previously competed at the 1900 Summer Olympics.
WBelgium competed at the 1912 Summer Olympics in Stockholm, Sweden.
WBelgium was the host nation for the 1920 Summer Olympics in Antwerp. 336 competitors, 326 men and 10 women, took part in 121 events in 23 sports.
WBelgium competed at the 1924 Summer Olympics in Paris, France. 172 competitors, 166 men and 6 women, took part in 82 events in 17 sports.
WBelgium competed at the 1928 Summer Olympics in Amsterdam, Netherlands. 187 competitors, 176 men and 11 women, took part in 90 events in 15 sports.
WBelgium competed at the 1932 Summer Olympics in Los Angeles, United States. 36 competitors, 29 men and 7 women, took part in 10 events in 2 sports.
WBelgium competed at the 1936 Summer Olympics in Berlin, Germany. 150 competitors, 145 men and 5 women, participated in 72 events in 15 sports.
WBelgium competed at the 1948 Summer Olympics in London, England. 152 competitors, 132 men and 20 women, took part in 77 events in 17 sports.
WBelgium competed at the 1952 Summer Olympics in Helsinki, Finland. 135 competitors, 130 men and 5 women, took part in 75 events in 16 sports.
WBelgium competed at the 1956 Summer Olympics in Melbourne, Australia and Stockholm, Sweden. 54 competitors, 51 men and 3 women, took part in 37 events in 12 sports.
WBelgium competed at the 1960 Summer Olympics in Rome, Italy. 101 competitors, 93 men and 8 women, took part in 64 events in 16 sports.
WBelgium competed at the 1964 Summer Olympics in Tokyo, Japan. 61 competitors, 60 men and 1 woman, took part in 36 events in 13 sports.
WBelgium competed at the 1968 Summer Olympics in Mexico City, Mexico. 82 competitors, 77 men and 5 women, took part in 55 events in 13 sports.
WBelgium competed at the 1972 Summer Olympics in Munich, West Germany. 88 competitors, 82 men and 6 women, took part in 51 events in 14 sports.
WBelgium competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. 101 competitors, 75 men and 26 women, took part in 80 events in 16 sports.
WBelgium competed at the 1980 Summer Olympics in Moscow, USSR. In partial support of the American-led boycott of the 1980 Summer Olympics, Belgium competed under the Olympic Flag instead of its national flag. 59 competitors, 43 men and 16 women, took part in 51 events in 10 sports.
WBelgium competed at the 1984 Summer Olympics in Los Angeles. 63 competitors, 47 men and 16 women, took part in 48 events in 14 sports.
WBelgium competed at the 1988 Summer Olympics in Seoul, South Korea. 59 competitors, 35 men and 24 women, took part in 65 events in 16 sports.
WBelgium competed at the 1992 Summer Olympics in Barcelona, Spain. 68 competitors, 43 men and 25 women, took part in 70 events in 18 sports.
WBelgium competed at the 1996 Summer Olympics in Atlanta, United States.
WBelgium competed at the 2000 Summer Olympics in Sydney, Australia.
WBelgium competed at the 2004 Summer Olympics in Athens, Greece. 50 competitors, 31 men and 19 women, took part in 41 events in 14 sports.
WBelgium competed at the 2008 Summer Olympics in Beijing, People's Republic of China. 96 Belgians took part in Beijing, the biggest delegation for the country since 1976. Belgium won 2 gold medals, better achievement than in 2004, when the country won 1 gold and 2 bronze medals.
WBelgium competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012. The Belgian Olympic Committee sent the nation's largest delegation to the Games since 1976. A total of 119 athletes, 75 men and 44 women, competed in 16 sports. There was only a single competitor in slalom canoeing, BMX cycling, equestrian dressage, rowing, shooting, table tennis, and weightlifting. Field hockey was the only team event in which Belgium was represented at these Olympic games.
WBelgium competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. Since the nation's official debut in 1900, Belgian athletes had appeared in every edition of the Summer Olympic Games, with the exception of the 1904 Summer Olympics in St. Louis. The Belgian team consisted of 108 athletes, 70 men and 38 women, across nineteen sports.
WBelgium is expected to compete at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games have been postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's official debut in 1900, Belgian athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1904 Summer Olympics in St. Louis.