| 1945-1950 1950s 1960s 1970s 1980s 1990s 2000-Present |
1945Original 51 Members
Argentina, Australia, Belgium, Bolivia[+], Brazil, Byelorussian Soviet Socialist Republic[+], 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, Netherlands, New Zealand, Nicaragua, Norway, Panama, Paraguay, Peru, Philippine Republic[+] , Poland, Saudi Arabia, Syria[+], Turkey, Ukrainian Soviet Socialist Republic[+], Union of South Africa[+], Union of Soviet Socialist Republics[+], United Kingdom, United States, Uruguay, Venezuela, Yugoslavia[+]
On 19 September 1991, the Byelorussian Soviet Socialist Republic informed the United Nations that it had changed its name to Belarus.
Czechoslovakia was an original Member of the United Nations from 24 October 1945.
In a letter dated 10 December 1992, its Permanent Representative informed the Secretary-General that the Czech and Slovak Federal Republic would cease to exist on 31 December 1992 and that the Czech Republic and the Slovak Republic, as successor States, would apply for membership in the United Nations.
Following the receipt of their application, the Security Council, on 8 January 1993, recommended to the General Assembly that the Czech Republic and the Slovak Republic be both admitted to United Nations membership. Both the Czech Republic and the Slovak Republic were thus admitted on 19 January of that year as Member States.
Egypt and Syria were original Members of the United Nations from 24 October 1945.
Following a plebiscite on 21 February 1958, the United Arab Republic was established by a union of Egypt and Syria and continued as a single Member.
On 13 October 1961, Syria, having resumed its status as an independent State, resumed its separate membership in the United Nations.
On 2 September 1971, the United Arab Republic changed its name to the Arab Republic of Egypt.
The Union of Soviet Socialist Republics was an original Member of the United Nations from 24 October 1945.
In a letter dated 24 December 1991, Boris Yeltsin, the President of the Russian Federation, informed the Secretary-General that the membership of the Soviet Union in the Security Council and all other United Nations organs was being continued by the Russian Federation with the support of the 11 member countries of the Commonwealth of Independent States.
The Socialist Federal Republic of Yugoslavia was an original Member of the United Nations, the Charter having been signed on its behalf on 26 June 1945 and ratified 19 October 1945, until its dissolution following the establishment and subsequent admission as new Members of Bosnia and Herzegovina, the Republic of Croatia, the Republic of Slovenia, The former Yugoslav Republic of Macedonia, and the Federal Republic of Yugoslavia.
The Republic of Bosnia and Herzegovina was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/237 of 22 May 1992.
The Republic of Croatia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/238 of 22 May 1992.
The Republic of Slovenia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/236 of 22 May 1992.
By resolution A/RES/47/225 of 8 April 1993, the General Assembly decided to admit as a Member of the United Nations the State being provisionally referred to for all purposes within the United Nations as "The former Yugoslav Republic of Macedonia" pending settlement of the difference that had arisen over its name.
The Federal Republic of Yugoslavia was admitted as a Member of the United Nations by General Assembly resolution A/RES/55/12 of 1 November 2000.
On 4 February 2003, following the adoption and promulgation of the Constitutional Charter of Serbia and Montenegro by the Assembly of the Federal Republic of Yugoslavia, the official name of "Federal Republic of Yugoslavia" was changed to Serbia and Montenegro.
In a letter dated 3 June 2006, the President of the Republic of Serbia informed the Secretary-General that the membership of Serbia and Montenegro was being continued by the Republic of Serbia, following Montenegro's declaration of independence.
Montenegro held a 21 May 2006 referendum and declared itself independent from Serbia on 3 June.
On 28 June 2006 it was accepted as a United Nations Member State by General Assembly resolution A/RES/60/264.
On 7 April 2009, Bolivia changed its name to Bolivia (Plurinational State of).
On 5 March 1981, Iran informed the Secretary-General that it had changed its name to Iran (Islamic Republic of).
On 24 August 1991, the Ukrainian Soviet Socialist Republic changed its name to Ukraine.
In 1947, the Philippine Republic changed its name to Philippines.
In 1961, the Union of South Africa changed its name to South Africa.
194655 Members
Afghanistan, Iceland, Siam[+], Sweden
On 11 May 1949, Siam informed the Secretary-General that it had changed its name to Thailand.
194757 Members
Pakistan, Yemen[+]
Yemen was admitted to membership in the United Nations on 30 September 1947 and Democratic Yemen on 14 December 1967. On 22 May 1990, the two countries merged and have since been represented as one Member with the name "Yemen".
194858 Members
Burma[+]
On 18 June 1989, the Union of Burma informed the United Nations that it had changed its name to the Union of Myanmar.
On 30 March 2011, the Union of Myanmar changed its name to the Republic of the Union of Myanamar.
194959 Members
Israel
195060 Members
Indonesia[+]
By letter of 20 January 1965, Indonesia announced its decision to withdraw from the United Nations "at this stage and under the present circumstances".
By telegram of 19 September 1966, it announced its decision "to resume full cooperation with the United Nations and to resume participation in its activities".
On 28 September 1966, the General Assembly took note of this decision and the President invited representatives of Indonesia to take seats in the Assembly.
195576 Members
Albania, Austria, Bulgaria, Cambodia, Ceylon[+], Finland, Hungary, Ireland, Italy, Jordan, Laos[+], Libya[+], Nepal, Portugal, Romania, Spain
On 19 September 1991, Ceylon informed the United Nations that it had changed its name to Sri Lanka.
In 1969, the Kingdom of Libya informed the United Nations that it had changed its name to Libyan Arab Jamahiriya.
Following the adoption by the General Assembly of resolution 66/1, the Permanent Mission of Libya to the United Nations formally notified the United Nations of a Declaration by the National Transitional Council of 3 August changing the official name of the Libyan Arab Jamahiriya to "Libya" and changing Libya's national flag.
On 2 December 1975, Laos changed its name to the Lao People's Democratic Republic
195680 Members
Japan, Morocco, Sudan, Tunisia
195782 Members
Ghana, Federation of Malaya [+]
The Federation of Malaya joined the United Nations on 17 September 1957.
On 16 September 1963, its name was changed to Malaysia, following the admission to the new Federation of Singapore, Sabah (North Borneo) and Sarawak.
Singapore became an independent State on 9 August 1965 and a Member of the United Nations on 21 September 1965.
195882 Members
Guinea
196099 Members
Cameroun, Central African Republic, Chad, Congo (Brazzaville)[+], Congo (Leopoldville)[+], Cyprus, Dahomey[+], Gabon, Ivory Coast[+], Malagasy Republic[+], Mali, Niger, Nigeria, Senegal, Somalia, Togo, Upper Volta[+]
In 1985, Ivory Coast informed the United Nations that it had changed its name to Côte d'Ivoire.
On Nov 30 1974, Dahomey informed the United Nations that it had changed its name to Republic of Benin.
In 1984, Upper Volta informed the United Nations that it had changed its name to Burkina Faso.
Zaire joined the United Nations on 20 September 1960 when it was known as the Republic of the Congo.
On 17 May 1997, its name was changed to the Democratic Republic of the Congo.
In 1970, Congo (Brazzaville) changed its name to the People's Republic of Congo, and on 15 November 1971 — to Congo.
In 1975, Malagasy Republic changed its name to Madagascar.
1961104 Members
Mauritania, Mongolia, Sierra Leone, Tanganyika[+]
Tanganyika was a Member of the United Nations from 14 December 1961 and Zanzibar was a Member from 16 December 1963.
Following the ratification on 26 April 1964 of Articles of Union between Tanganyika and Zanzibar, the United Republic of Tanganyika and Zanzibar continued as a single Member, changing its name to the United Republic of Tanzania on 1 November 1964.
1962110 Members
Algeria, Burundi, Jamaica, Rwanda, Trinidad and Tobago, Uganda
1963113 Members
Kenya, Kuwait, Zanzibar[+]
Tanganyika was a Member of the United Nations from 14 December 1961 and Zanzibar was a Member from 16 December 1963.
Following the ratification on 26 April 1964 of Articles of Union between Tanganyika and Zanzibar, the United Republic of Tanganyika and Zanzibar continued as a single Member, changing its name to the United Republic of Tanzania on 1 November 1964.
1964115 Members
Malawi, Malta, Zambia
1965117 Members
The Gambia, Maldive Islands, Singapore[+]
The Federation of Malaya joined the United Nations on 17 September 1957.
On 16 September 1963, its name was changed to Malaysia, following the admission to the new Federation of Singapore, Sabah (North Borneo) and Sarawak.
Singapore became an independent State on 9 August 1965 and a Member of the United Nations on 21 September 1965.
1966122 Members
Barbados, Botswana, Guyana, Lesotho
1967123 Members
Yemen[+]
Yemen was admitted to membership in the United Nations on 30 September 1947 and Democratic Yemen on 14 December 1967. On 22 May 1990, the two countries merged and have since been represented as one Member with the name "Yemen".
1968126 Members
Equatorial Guinea, Mauritius, Swaziland
1970127 Members
Fiji
1971132 Members
Bahrain, Bhutan, Oman, Qatar, United Arab Emirates
1973135 Members
Bahamas, Federal Republic of Germany[+], German Democratic Republic[+]
The Federal Republic of Germany and the German Democratic Republic were admitted to membership in the United Nations on 18 September 1973.
Through the accession of the German Democratic Republic to the Federal Republic of Germany, effective from 3 October 1990, the two German States united to form one sovereign State.
1974138 Members
Bangladesh, Grenada, Guinea-Bissau
1975144 Members
Cape Verde, Comoros, Mozambique, Papua New Guinea, Sao Tome and Principe, Suriname
1976147 Members
Angola, Samoa, Seychelles
1977149 Members
Djibouti, Viet Nam
1978151 Members
Dominica, Solomon Islands
1979152 Members
Saint Lucia
1980154 Members
Saint Vincent and the Grenadines, Zimbabwe
1981157 Members
Antigua and Barbuda, Belize, Vanuatu
1983158 Members
Saint Christopher and Nevis[+]
On 16 December 1986, Saint Christopher and Nevis changed its name to Saint Kitts and Nevis.
1984159 Members
Brunei Darussalam
1990159 Members
Liechtenstein, Namibia
1991166 Members
Democratic People's Republic of Korea, Estonia, Latvia, Lithuania, Marshall Islands, Federated States of Micronesia, Republic of Korea
1992179 Members
Armenia, Azerbaijan, Bosnia and Herzegovina[+], Croatia[+], Georgia, Kazakhstan, Kyrgyzstan, Republic of Moldova, San Marino, Slovenia[+], Tajikistan, Turkmenistan, Uzbekistan
The Socialist Federal Republic of Yugoslavia was an original Member of the United Nations, the Charter having been signed on its behalf on 26 June 1945 and ratified 19 October 1945, until its dissolution following the establishment and subsequent admission as new Members of Bosnia and Herzegovina, the Republic of Croatia, the Republic of Slovenia, The former Yugoslav Republic of Macedonia, and the Federal Republic of Yugoslavia.
The Republic of Bosnia and Herzegovina was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/237 of 22 May 1992.
The Republic of Croatia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/238 of 22 May 1992.
The Republic of Slovenia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/236 of 22 May 1992.
By resolution A/RES/47/225 of 8 April 1993, the General Assembly decided to admit as a Member of the United Nations the State being provisionally referred to for all purposes within the United Nations as "The former Yugoslav Republic of Macedonia" pending settlement of the difference that had arisen over its name.
The Federal Republic of Yugoslavia was admitted as a Member of the United Nations by General Assembly resolution A/RES/55/12 of 1 November 2000.
On 4 February 2003, following the adoption and promulgation of the Constitutional Charter of Serbia and Montenegro by the Assembly of the Federal Republic of Yugoslavia, the official name of "Federal Republic of Yugoslavia" was changed to Serbia and Montenegro.
In a letter dated 3 June 2006, the President of the Republic of Serbia informed the Secretary-General that the membership of Serbia and Montenegro was being continued by the Republic of Serbia, following Montenegro's declaration of independence.
Montenegro held a 21 May 2006 referendum and declared itself independent from Serbia on 3 June.
On 28 June 2006 it was accepted as a United Nations Member State by General Assembly resolution A/RES/60/264.
1993184 Members
Andorra, Czech Republic[+], Eritrea, Monaco, Slovakia[+], The former Yugoslav Republic of Macedonia[+]
Czechoslovakia was an original Member of the United Nations from 24 October 1945.
In a letter dated 10 December 1992, its Permanent Representative informed the Secretary-General that the Czech and Slovak Federal Republic would cease to exist on 31 December 1992 and that the Czech Republic and the Slovak Republic, as successor States, would apply for membership in the United Nations.
Following the receipt of their application, the Security Council, on 8 January 1993, recommended to the General Assembly that the Czech Republic and the Slovak Republic be both admitted to United Nations membership. Both the Czech Republic and the Slovak Republic were thus admitted on 19 January of that year as Member States.
The Socialist Federal Republic of Yugoslavia was an original Member of the United Nations, the Charter having been signed on its behalf on 26 June 1945 and ratified 19 October 1945, until its dissolution following the establishment and subsequent admission as new Members of Bosnia and Herzegovina, the Republic of Croatia, the Republic of Slovenia, The former Yugoslav Republic of Macedonia, and the Federal Republic of Yugoslavia.
The Republic of Bosnia and Herzegovina was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/237 of 22 May 1992.
The Republic of Croatia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/238 of 22 May 1992.
The Republic of Slovenia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/236 of 22 May 1992.
By resolution A/RES/47/225 of 8 April 1993, the General Assembly decided to admit as a Member of the United Nations the State being provisionally referred to for all purposes within the United Nations as "The former Yugoslav Republic of Macedonia" pending settlement of the difference that had arisen over its name.
The Federal Republic of Yugoslavia was admitted as a Member of the United Nations by General Assembly resolution A/RES/55/12 of 1 November 2000.
On 4 February 2003, following the adoption and promulgation of the Constitutional Charter of Serbia and Montenegro by the Assembly of the Federal Republic of Yugoslavia, the official name of "Federal Republic of Yugoslavia" was changed to Serbia and Montenegro.
In a letter dated 3 June 2006, the President of the Republic of Serbia informed the Secretary-General that the membership of Serbia and Montenegro was being continued by the Republic of Serbia, following Montenegro's declaration of independence.
Montenegro held a 21 May 2006 referendum and declared itself independent from Serbia on 3 June.
On 28 June 2006 it was accepted as a United Nations Member State by General Assembly resolution A/RES/60/264.
1994185 Members
Palau
1999188 Members
Kiribati, Nauru, Tonga
2000189 Members
Federal Republic of Yugoslavia[+], Tuvalu
The Socialist Federal Republic of Yugoslavia was an original Member of the United Nations, the Charter having been signed on its behalf on 26 June 1945 and ratified 19 October 1945, until its dissolution following the establishment and subsequent admission as new Members of Bosnia and Herzegovina, the Republic of Croatia, the Republic of Slovenia, The former Yugoslav Republic of Macedonia, and the Federal Republic of Yugoslavia.
The Republic of Bosnia and Herzegovina was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/237 of 22 May 1992.
The Republic of Croatia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/238 of 22 May 1992.
The Republic of Slovenia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/236 of 22 May 1992.
By resolution A/RES/47/225 of 8 April 1993, the General Assembly decided to admit as a Member of the United Nations the State being provisionally referred to for all purposes within the United Nations as "The former Yugoslav Republic of Macedonia" pending settlement of the difference that had arisen over its name.
The Federal Republic of Yugoslavia was admitted as a Member of the United Nations by General Assembly resolution A/RES/55/12 of 1 November 2000.
On 4 February 2003, following the adoption and promulgation of the Constitutional Charter of Serbia and Montenegro by the Assembly of the Federal Republic of Yugoslavia, the official name of "Federal Republic of Yugoslavia" was changed to Serbia and Montenegro.
In a letter dated 3 June 2006, the President of the Republic of Serbia informed the Secretary-General that the membership of Serbia and Montenegro was being continued by the Republic of Serbia, following Montenegro's declaration of independence.
Montenegro held a 21 May 2006 referendum and declared itself independent from Serbia on 3 June.
On 28 June 2006 it was accepted as a United Nations Member State by General Assembly resolution A/RES/60/264.
2002191 Members
Switzerland, Timor-Leste
2006192 Members
Montenegro[+]
The Socialist Federal Republic of Yugoslavia was an original Member of the United Nations, the Charter having been signed on its behalf on 26 June 1945 and ratified 19 October 1945, until its dissolution following the establishment and subsequent admission as new Members of Bosnia and Herzegovina, the Republic of Croatia, the Republic of Slovenia, The former Yugoslav Republic of Macedonia, and the Federal Republic of Yugoslavia.
The Republic of Bosnia and Herzegovina was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/237 of 22 May 1992.
The Republic of Croatia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/238 of 22 May 1992.
The Republic of Slovenia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/236 of 22 May 1992.
By resolution A/RES/47/225 of 8 April 1993, the General Assembly decided to admit as a Member of the United Nations the State being provisionally referred to for all purposes within the United Nations as "The former Yugoslav Republic of Macedonia" pending settlement of the difference that had arisen over its name.
The Federal Republic of Yugoslavia was admitted as a Member of the United Nations by General Assembly resolution A/RES/55/12 of 1 November 2000.
On 4 February 2003, following the adoption and promulgation of the Constitutional Charter of Serbia and Montenegro by the Assembly of the Federal Republic of Yugoslavia, the official name of "Federal Republic of Yugoslavia" was changed to Serbia and Montenegro.
In a letter dated 3 June 2006, the President of the Republic of Serbia informed the Secretary-General that the membership of Serbia and Montenegro was being continued by the Republic of Serbia, following Montenegro's declaration of independence.
Montenegro held a 21 May 2006 referendum and declared itself independent from Serbia on 3 June.
On 28 June 2006 it was accepted as a United Nations Member State by General Assembly resolution A/RES/60/264.
2011193 Members
South Sudan[+]
The Republic of South Sudan formally seceded from Sudan on 9 July 2011 as a result of an internationally monitored referendum held in January 2011, and was admitted as a new Member State by the United Nations General Assembly on 14 July 2011.