member states of the United Nations (UN)

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member states of the United Nations (UN), states that have been admitted into the United Nations (UN).

The UN is an international organization that was established in 1945. Following its predecessor, the League of Nations (1920–46), it was the second multipurpose international organization to be established in the 20th century that was worldwide in both scope and membership. The organization’s first members were admitted upon its founding, while the most recent member to be admitted was South Sudan after it became independent in 2011. In addition to member states, there are two permanent nonmember observer missions—one representing the Holy See and the other representing Palestine (Palestinian Authority).

The table provides a list of the UN’s 193 member states and the year in which each was admitted.

United Nations membership
1The seat held by the U.S.S.R. was assumed by Russia in 1991.
2The Socialist Federal Republic of Yugoslavia was a member from 1945 until its dissolution following the establishment and admission of the new member states of Bosnia and Herzegovina, Croatia, Slovenia (1992), Macedonia (1993), and the Federal Republic of Yugoslavia (2000), the last reconstituted as Serbia and Montenegro in 2003. In 2006 Serbia and Montenegro split into separate countries.
3North Yemen (capital at Sanaa) merged in 1990 with South Yemen (capital at Aden). Upon unification, there was one membership.
4Tanganyika merged in 1964 with Zanzibar. The country's name after the merger became Tanzania, with a single UN membership.
5East Germany and West Germany were admitted as separate members in 1973. Upon unification of the two countries in 1990, there was one membership.
6Czechoslovakia, a member from 1945, split into two countries, the Czech Republic and Slovakia, in 1993.
1945 Argentina, Australia, Belarus (Belorussia), Belgium, Bolivia, Brazil, Canada, Chile, China, Colombia, Costa Rica, Cuba, Czechoslovakia, Denmark, Dominican Republic, Ecuador, Egypt, El Salvador, Ethiopia, France, Greece, Guatemala, Haiti, Honduras, India, Iran, Iraq, Lebanon, Liberia, Luxembourg, Mexico, the Netherlands, New Zealand, Nicaragua, Norway, Panama, Paraguay, Peru, Philippines, Poland, Russia (U.S.S.R.)1, Saudi Arabia, South Africa, Syria, Turkey, Ukraine, United Kingdom, United States, Uruguay, Venezuela, Yugoslavia2
1946 Afghanistan, Iceland, Sweden, Thailand
1947 Pakistan, Yemen3
1948 Myanmar (Burma)
1949 Israel
1950 Indonesia
1955 Albania, Austria, Bulgaria, Cambodia, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania, Spain, Sri Lanka (Ceylon)
1956 Japan, Morocco, Sudan, Tunisia
1957 Ghana, Malaysia
1958 Guinea
1960 Benin (Dahomey), Burkina Faso (Upper Volta), Cameroon, Central African Republic, Chad, Congo (capital at Brazzaville), Congo (Zaire; capital at Kinshasa), Côte d'Ivoire (Ivory Coast), Cyprus, Gabon, Madagascar, Mali, Niger, Nigeria, Senegal, Somalia, Togo
1961 Mauritania, Mongolia, Sierra Leone, Tanzania4
1962 Algeria, Burundi, Jamaica, Rwanda, Trinidad and Tobago, Uganda
1963 Kenya, Kuwait
1964 Malawi, Malta, Zambia
1965 The Gambia, Maldives, Singapore
1966 Barbados, Botswana, Guyana, Lesotho
1968 Equatorial Guinea, Mauritius, Swaziland
1970 Fiji
1971 Bahrain, Bhutan, Oman, Qatar, United Arab Emirates
1973 The Bahamas, Germany5
1974 Bangladesh, Grenada, Guinea-Bissau
1975 Cape Verde, Comoros, Mozambique, Papua New Guinea, Sao Tome and Principe, Suriname
1976 Angola, Samoa, Seychelles
1977 Djibouti, Vietnam
1978 Dominica, Solomon Islands
1979 Saint Lucia
1980 Saint Vincent and the Grenadines, Zimbabwe
1981 Antigua and Barbuda, Belize, Vanuatu
1983 Saint Kitts and Nevis
1984 Brunei
1990 Liechtenstein, Namibia
1991 Estonia, Latvia, Lithuania, Marshall Islands, Micronesia, North Korea, South Korea
1992 Armenia, Azerbaijan, Bosnia and Herzegovina2, Croatia2, Georgia, Kazakhstan, Kyrgyzstan, Moldova, San Marino, Slovenia2, Tajikistan, Turkmenistan, Uzbekistan
1993 Andorra, Czech Republic6, Eritrea, Macedonia, Monaco, Slovakia6
1994 Palau
1999 Kiribati, Nauru, Tonga
2000 Tuvalu
2002 East Timor, Switzerland
2006 Montenegro, Serbia2
2011 South Sudan
The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Adam Zeidan.