Belgium competed at the 2000 Summer Olympics in Sydney, Australia.
Mexico competed at the 2000 Summer Olympics in Sydney, Australia.
Slovenia competed at the 2000 Summer Olympics in Sydney, Australia. Slovenia won their first two summer Olympic gold medals at these games.
Burma competed as Myanmar at the 2000 Summer Olympics in Sydney, Australia.
Uganda competed at the 2000 Summer Olympics in Sydney, Australia.
Antigua and Barbuda competed at the 2000 Summer Olympics in Sydney, Australia.
Estonia competed at the 2000 Summer Olympics in Sydney, Australia. 33 competitors, 31 men and 2 women, took part in 29 events in 11 sports.
The United States Virgin Islands competed at the 2000 Summer Olympics in Sydney, Australia.
Latvia competed at the 2000 Summer Olympics in Sydney, Australia. Latvia won their first summer Olympic gold medal at these games. 45 competitors, 30 men and 15 women, took part in 47 events in 13 sports.
Puerto Rico competed at the 2000 Summer Olympics in Sydney, Australia. 29 competitors, 23 men and 6 women, took part in 31 events in 10 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.
Albania competed at the 2000 Summer Olympics in Sydney.
Trinidad and Tobago competed at the 2000 Summer Olympics in Sydney, Australia.
Aruba competed at the 2000 Summer Olympics in Sydney, Australia.
Bosnia and Herzegovina competed at the 2000 Summer Olympics in Sydney, Australia.
Guinea competed at the 2000 Summer Olympics in Sydney, Australia.
Gabon competed at the 2000 Summer Olympics in Sydney, Australia.
Madagascar competed at the 2000 Summer Olympics in Sydney, Australia.
Sudan competed at the 2000 Summer Olympics in Sydney, Australia.
Tanzania competed at the 2000 Summer Olympics in Sydney, Australia.
Rhodesia (1960)
