Members of the United Nations (193 nations) This table provides information about the member countries of the United Nations, including the date of admission CountryJoined UN1 Afghanistan1946 Albania1955 Algeria1962 Andorra1993 Angola1976 Antigua and Barbuda1981Argentina 1945 ... Bosnia and Herzegovina1992 Botswana1966 Brazil1945 Brunei1984 Bulgaria1955 Burkina Faso1960 Burma (Myanmar)1948 Burundi1962 Cambodia1955 Cameroon1960 Canada1945 Cape Verde1975 Central African Republic1960 Chad1960 Chile1945 China 21945 Colombia1945 Comoros1975 Congo, Rep. of1960 Congo, Dem. Rep. of1960 Costa Rica1945 Côte d'Ivoire1960 Croatia1992 Cuba1945 Cyprus1960 Czech Republic 31993 Denmark1945 Djibouti1977 Dominica1978 Dominican Republic1945 East Timor 42002 Ecuador1945 Egypt1945 El Salvador1945 Equatorial Guinea1968Eritrea 1993 Estonia... Guinea-Bissau1974Guyana 1966 Haiti ... Korea, North1991 Korea, South1991Kuwait 1963 ... Liechtenstein1990Lithuania 1991 ... Marshall Islands1991Mauritania 1961 ... Montenegro4, 62006 Morocco1956 Mozambique1975 Namibia1990 Nauru1999 Nepal1955 Netherlands1945 New Zealand1945Nicaragua 1945 ... Papua New Guinea1975 Paraguay1945 Peru1945 Philippines1945 Poland1945 Portugal1955 Qatar1971 Romania1955 Russia1945 Rwanda1962 St. Kitts and Nevis1983 St. Lucia1979 St. Vincent and the Grenadines1980 Samoa1976 San Marino1992 São Tomé and Príncipe1975 Saudi Arabia1945 Senegal1960 Serbia62000 Seychelles1976 Sierra Leone1961 Singapore1965 Slovakia 31993 Slovenia1992 Solomon Islands1978 Somalia1960 South Africa1945 South Sudan2011 Spain1955 Sri Lanka1955 Sudan1956 Suriname1975 Swaziland1968 Sweden1946 Switzerland 42002 Syria1945 Tajikistan1992 Tanzania1961 Thailand1946 Togo1960 Tonga1999 Trinidad and Tobago1962 Tunisia1956 Turkey1945 Turkmenistan1992 Tuvalu2000 Uganda1962 Ukraine1945 United Arab Emirates1971 United Kingdom1945 United States1945Uruguay 1945 ... 1. The UN officially came into existence on Oct. 24, 1945. 2. On Oct. 25, 1971, the UN voted membership to the People's Republic of China, which replaced the Republic of China (Taiwan) in the world body. 3. Czechoslovakia was an original member of the United Nations from Oct. 24, 1945. As of Dec. 31, 1992, it ceased to exist and the Czech Republic and Slovakia as successor states were admitted Jan. 19, 1993. 4. Newest members. 5. The General Assembly on April 8, 1993, decided to admit the state provisionally being referred to as “The Former Yugoslav Republic of Macedonia” pending settlement of the difference that has arisen over its name. 6. The Socialist Federal Republic of Yugoslavia was a charter member; after its dissolution, the Federal Republic of Yugoslavia was admitted Nov. 1, 2000. On Feb. 4, 2003, the name of the Federal Republic of Yugoslavia was changed to Serbia and Montenegro; in 2006, Serbia and Montenegro became separate countries.