Burma competed as Myanmar at the 2000 Summer Olympics in Sydney, Australia.
Antigua and Barbuda competed at the 2000 Summer Olympics in Sydney, Australia.
The United States Virgin Islands competed at the 2000 Summer Olympics in Sydney, Australia.
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.
Mozambique competed at the 2000 Summer Olympics in Sydney, Australia. Mozambique won their first Olympic gold medal at these games in the women's 800m, their only medal at the games.
Andorra competed at the 2000 Summer Olympics in Sydney, Australia.
Eritrea competed in the Olympic Games for the first time at the 2000 Summer Olympics in Sydney, Australia.
Zambia competed at the 2000 Summer Olympics in Sydney, Australia. None of the competitors from Zambia won medals in the 2000 Olympic games.
Togo competed at the 2000 Summer Olympics in Sydney, Australia. They were awarded no medals.
Aruba competed at the 2000 Summer Olympics in Sydney, Australia.
Guatemala competed at the 2000 Summer Olympics in Sydney, Australia.
Gabon competed at the 2000 Summer Olympics in Sydney, Australia.
Namibia competed at the 2000 Summer Olympics in Sydney, Australia. Four-time silver medalist sprinter Frankie Fredericks had to withdraw due to injury.
Niger competed at the 2000 Summer Olympics in Sydney, Australia.
Panama competed at the 2000 Summer Olympics in Sydney, Australia.
Sudan competed at the 2000 Summer Olympics in Sydney, Australia.
Suriname competed at the 2000 Summer Olympics in Sydney, Australia.
Lesotho competed at the 2000 Summer Olympics in Sydney, Australia.
Swaziland competed at the 2000 Summer Olympics in Sydney, Australia.
Tanzania competed at the 2000 Summer Olympics in Sydney, Australia.
