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This article is about the 'enlargement of the United Nations (UN)' — a list of its member states sorted in chronological order according to their dates of admission to the UN.
The names of the member states are listed according to the ones they used when they were originally admitted to the UN. The General Assembly resolutions which admitted the member states are also showed. Notes are given if a member state has changed its name since being admitted, or has its seat succeeded by another nation. Nations that have ceased to be UN members and whose seats are not succeeded are displayed in ''italics''.

Contents
1940s
1945
1946
1947
1948
1949
1950s
1950
1955
1956
1957
1958
1960s
1960
1961
1962
1963
1964
1965
1966
1967
1968
1970s
1970
1971
1973
1974
1975
1976
1977
1978
1979
1980s
1980
1981
1983
1984
1990s
1990
1991
1992
1993
1994
1999
2000s
2000
2002
2006
Summary
Notes
External links

1940s

1945

These nations were the 51 original members of the UN. 50 of them signed the United Nations Charter at the United Nations Conference on International Organization in San Francisco on 26 June 1945, while Poland, which was not represented at the conference, signed it later.
;24 October 1945

★ Argentina

★ Byelorussian Soviet Socialist Republic

★
★ The Byelorussian SSR changed its name to "Belarus" in 1991 after declaring independence.

★ Brazil

★ Chile

★ Cuba

★ China

★
★ China's seat in the UN was initially taken by the Republic of China. It has been taken by the People's Republic of China since 25 October 1971, due to the decision of resolution 2758 (see ''China and the United Nations'').

★ ''Czechoslovakia''

★
★ Czechoslovakia ceased to be a UN member on 1 January 1993 after its dissolution.

★ Denmark

★ Dominican Republic

★ Egypt

★
★ Egypt merged with Syria to form the "United Arab Republic" on 22 February 1958. Syria resumed as a separate UN member on 13 October 1961 after having resumed its status as an independent state. The United Arab Republic changed its name back to "Egypt" on 2 September 1971.

★ El Salvador

★ France

★ Haiti

★ Iran

★
★ Iran changed its name to the "Islamic Republic of Iran" in 1979.

★ Lebanon

★ Luxembourg

★ New Zealand

★ Nicaragua

★ Paraguay

★ Philippine Commonwealth

★
★ Philippine Commonwealth changed its name to the "Philippines" in 1946 after being granted full independence.

★ Poland

★ Saudi Arabia

★ Syria

★
★ Syria merged with Egypt to form the "United Arab Republic" on 22 February 1958. It resumed as a separate UN member on 13 October 1961 after having resumed its status as an independent state, and changed its name to the "Syrian Arab Republic".

★ Turkey

★ Ukrainian Soviet Socialist Republic

★
★ The Ukrainian SSR changed its name to "Ukraine" in 1991 after declaring independence.

★ Union of Soviet Socialist Republics

★
★ USSR's seat in the UN was succeeded by the Russian Federation on 24 December 1991 upon the imminent dissolution of the USSR.

★ United Kingdom of Great Britain and Northern Ireland

★ United States of America

★ ''Yugoslavia''

★
★ After the dissolution of the Socialist Federal Republic of Yugoslavia, the newly formed Federal Republic of Yugoslavia was not allowed to succeed Yugoslavia's seat in the UN. Yugoslavia officially ceased to be a UN member on 1 November 2000 after the Federal Republic of Yugoslavia was admitted as a new UN member.
;25 October 1945

★ Greece
;30 October 1945

★ India
;31 October 1945

★ Peru
;1 November 1945

★ Australia
;2 November 1945

★ Costa Rica

★ Liberia
;5 November 1945

★ Colombia
;7 November 1945

★ Mexico

★ Union of South Africa

★
★ The Union of South Africa changed its name to "South Africa" in 1961 after becoming a republic.
;9 November 1945

★ Canada
;13 November 1945

★ Ethiopia

★ Panama
;14 November 1945

★ Bolivia
;15 November 1945

★ Venezuela

★
★ Venezuela changed its name to the "Bolivarian Republic of Venezuela" in 1999.
;21 November 1945

★ Guatemala
;27 November 1945

★ Norway
;10 December 1945

★ Netherlands
;17 December 1945

★ Honduras
;18 December 1945

★ Uruguay
;21 December 1945

★ Ecuador

★ Iraq
;27 December 1945

★ Belgium

1946

;19 November 1946

★ Afghanistan (resolution 34)

★ Iceland (resolution 34)

★ Sweden (resolution 34)
;16 December 1946

★ Siam (resolution 101)

★
★ Siam changed its name to "Thailand" in 1949.

1947

;30 September 1947

★ Pakistan (resolution 108)

★ Yemen (resolution 108)

★
★ Yemen's seat in the UN initially represented only North Yemen. It now represents the unified state of Yemen after the Yemen Arab Republic (North Yemen) and the People's Democratic Republic of Yemen (South Yemen) merged on 22 May 1990.

1948

;19 April 1948

★ Burma (resolution 188)

★
★ Burma changed its name to "Myanmar" in 1989.

1949

;11 May 1949

★ Israel (resolution 273)

1950s

1950

;28 September 1950

★ Indonesia (resolution 491)

★
★ Indonesia temporarily withdrew from the UN on 20 January 1965. It announced its intention "to resume full cooperation with the United Nations and to resume participation in its activities" on 19 September 1966, and was invited to re-join the UN on 28 September 1966.

1955

;14 December 1955

★ Albania (resolution 995)

★ Austria (resolution 995)

★ Bulgaria (resolution 995)

★ Cambodia (resolution 995)

★ Ceylon (resolution 995)

★
★ Ceylon changed its name to "Sri Lanka" in 1972.

★ Finland (resolution 995)

★ Hungary (resolution 995)

★ Ireland (resolution 995)

★ Italy (resolution 995)

★ Jordan (resolution 995)

★ Laos (resolution 995)

★
★ Laos changed its name to the "Lao People's Democratic Republic" in 1975.

★ Libya (resolution 995)

★
★ Libya changed its name to the "Libyan Arab Jamahiriya" in 1977.

★ Nepal (resolution 995)

★ Portugal (resolution 995)

★ Romania (resolution 995)

★ Spain (resolution 995)

1956

;12 November 1956

★ Sudan (resolution 1110)

★ Morocco (resolution 1111)

★ Tunisia (resolution 1112)
;18 December 1956

★ Japan (resolution 1113)

1957

;8 March 1957

★ Ghana (resolution 1118)
;17 September 1957

★ Federation of Malaya (resolution 1134)

★
★ The Federation of Malaya changed its name to "Malaysia" on 16 September 1963 after the admission of Singapore (which later became an independent state), Sabah and Sarawak to the federation.

1958

;12 December 1958

★ Guinea (resolution 1325)

1960s

1960

;20 September 1960

★ Cameroun (resolution 1476)

★
★ Cameroun changed its name to "Cameroon" in 1961 after merging with Southern Cameroons.

★ Togo (resolution 1477)

★ Madagascar (resolution 1478)

★ Somalia (resolution 1479)

★ Congo (Leopoldville) (resolution 1480)

★
★ The Republic of the Congo (Leopoldville) changed its name to the "Democratic Republic of the Congo" in 1964, and then to "Zaire" in 1971, and back to the "Democratic Republic of the Congo" on 17 May 1997.

★ Dahomey (resolution 1481)

★
★ Dahomey changed its name to "Benin" in 1975.

★ Niger (resolution 1482)

★ Upper Volta (resolution 1483)

★
★ Upper Volta changed its name to "Burkina Faso" in 1984.

★ Ivory Coast (resolution 1484)

★
★ Ivory Coast changed its name to "Côte d'Ivoire" in 1985.

★ Chad (resolution 1485)

★ Congo (Brazzaville) (resolution 1486)

★
★ The Republic of the Congo (Brazzaville) now uses the name "Congo" in the UN.

★ Gabon (resolution 1487)

★ Central African Republic (resolution 1488)

★ Cyprus (resolution 1489)
;28 September 1960

★ Senegal (resolution 1490)

★ Mali (resolution 1491)
;7 October 1960

★ Nigeria (resolution 1492)

1961

;27 September 1961

★ Sierra Leone (resolution 1623)
;27 October 1961

★ Mongolia (resolution 1630)

★ Mauritania (resolution 1631)
;14 December 1961

★ Tanganyika (resolution 1667)

★
★ Tanganyika merged with Zanzibar to form the "United Republic of Tanganyika and Zanzibar" on 26 April 1964, which changed its name to the "United Republic of Tanzania" on 1 November 1964.

1962

;18 September 1962

★ Rwanda (resolution 1748)

★ Burundi (resolution 1749)

★ Jamaica (resolution 1750)

★ Trinidad and Tobago (resolution 1751)
;8 October 1962

★ Algeria (resolution 1754)
;25 October 1962

★ Uganda (resolution 1758)

1963

;14 May 1963

★ Kuwait (resolution 1872)
;16 December 1963

★ ''Zanzibar'' (resolution 1975)

★
★ Zanzibar merged with Tanganyika to form the "United Republic of Tanganyika and Zanzibar" on 26 April 1964, which changed its name to the "United Republic of Tanzania" on 1 November 1964.

★ Kenya (resolution 1976)

1964

;1 December 1964

★ Malawi (General Assembly decision)

★ Malta (General Assembly decision)

★ Zambia (General Assembly decision)

1965

;21 September 1965

★ Gambia (resolution 2008)

★ Maldives (resolution 2009)

★ Singapore (resolution 2010)

1966

;20 September 1966

★ Guyana (resolution 2133)
;17 October 1966

★ Botswana (resolution 2136)

★ Lesotho (resolution 2137)
;12 December 1966

★ Barbados (resolution 2175)

1967

;14 December 1967

★ ''Southern Yemen'' (resolution 2310)

★
★ Southern Yemen changed its name to "Democratic Yemen" in 1970. The People's Democratic Republic of Yemen (South Yemen) merged with the Yemen Arab Republic (North Yemen) to form the unified state of Yemen on 22 May 1990.

1968

;24 April 1968

★ Mauritius (resolution 2371)
;24 September 1968

★ Swaziland (resolution 2376)
;12 November 1968

★ Equatorial Guinea (resolution 2384)

1970s

1970

;13 October 1970

★ Fiji (resolution 2622)

1971

;21 September 1971

★ Bhutan (resolution 2751)

★ Bahrain (resolution 2752)

★ Qatar (resolution 2753)
;7 October 1971

★ Oman (resolution 2754)
;9 December 1971

★ United Arab Emirates (resolution 2794)

1973

;18 September 1973

★ Federal Republic of Germany (resolution 3050)

★
★ The Federal Republic of Germany's seat in the UN initially represented only West Germany. It now represents the unified state of Germany after the accession of the German Democratic Republic (East Germany) to the Federal Republic of Germany (West Germany) on 3 October 1990, and uses the name "Germany" in the UN.

★ ''German Democratic Republic'' (resolution 3050)

★
★ The German Democratic Republic (East Germany) acceded to the Federal Republic of Germany (West Germany) to form the unified state of Germany on 3 October 1990.

★ Bahamas (resolution 3051)

1974

;17 September 1974

★ Bangladesh (resolution 3203)

★ Grenada (resolution 3204)

★ Guinea-Bissau (resolution 3205)

1975

;16 September 1975

★ Cape Verde (resolution 3363)

★ Sao Tome and Principe (resolution 3364)

★ Mozambique (resolution 3365)
;10 October 1975

★ Papua New Guinea (resolution 3368)
;12 November 1975

★ Comoros (resolution 3385)
;4 December 1975

★ Suriname (resolution 3413)

1976

;21 September 1976

★ Seychelles (resolution A/RES/31/1)
;1 December 1976

★ Angola (resolution A/RES/31/44)
;15 December 1976

★ Western Samoa (resolution A/RES/31/104)

★
★ Western Samoa changed its name to "Samoa" in 1997.

1977

;20 September 1977

★ Djibouti (resolution A/RES/32/1)

★ Viet Nam (resolution A/RES/32/2)

1978

;19 September 1978

★ Solomon Islands (resolution A/RES/33/1)
;18 December 1978

★ Dominica (resolution A/RES/33/107)

1979

;18 September 1979

★ Saint Lucia (resolution A/RES/34/1)

1980s

1980

;25 August 1980

★ Zimbabwe (resolution A/S-11/1)
;16 September 1980

★ Saint Vincent and the Grenadines (resolution A/RES/35/1)

1981

;15 September 1981

★ Vanuatu (resolution A/RES/36/1)
;25 September 1981

★ Belize (resolution A/RES/36/3)
;11 November 1981

★ Antigua and Barbuda (resolution A/RES/36/26)

1983

;September 23 1983

★ Saint Kitts and Nevis (resolution A/RES/38/1)

1984

;September 21 1984

★ Brunei Darussalam (resolution A/RES/39/1)

1990s

1990

;23 April 1990

★ Namibia (resolution A/S-18/1)
;18 September 1990

★ Liechtenstein (resolution A/RES/45/1)

1991

;17 September 1991

★ Democratic People's Republic of Korea (resolution A/RES/46/1)

★ Republic of Korea (resolution A/RES/46/1)

★ Federated States of Micronesia (resolution A/RES/46/2)

★ Marshall Islands (resolution A/RES/46/3)

★ Estonia (resolution A/RES/46/4)

★ Latvia (resolution A/RES/46/5)

★ Lithuania (resolution A/RES/46/6)

1992

;2 March 1992

★ Moldova (resolution A/RES/46/223)

★ Kazakhstan (resolution A/RES/46/224)

★ Kyrgyzstan (resolution A/RES/46/225)

★ Uzbekistan (resolution A/RES/46/226)

★ Armenia (resolution A/RES/46/227)

★ Tajikistan (resolution A/RES/46/228)

★ Turkmenistan (resolution A/RES/46/229)

★ Azerbaijan (resolution A/RES/46/230)

★ San Marino (resolution A/RES/46/231)
;22 May 1992

★ Slovenia (resolution A/RES/46/236)

★ Bosnia and Herzegovina (resolution A/RES/46/237)

★ Croatia (resolution A/RES/46/238)
;31 July 1992

★ Georgia (resolution A/RES/46/241)

1993

;19 January 1993

★ Czech Republic (resolution A/RES/47/221)

★ Slovakia (resolution A/RES/47/222)
;8 April 1993

★ The former Yugoslav Republic of Macedonia (resolution A/RES/47/225)
;28 May 1993

★ Eritrea (resolution A/RES/47/230)

★ Monaco (resolution A/RES/47/231)
;28 July 1993

★ Andorra (resolution A/RES/47/232)

1994

;15 December 1994

★ Palau (resolution A/RES/49/63)

1999

;14 September 1999

★ Kiribati (resolution A/RES/54/1)

★ Nauru (resolution A/RES/54/2)

★ Tonga (resolution A/RES/54/3)

2000s

2000

;5 September 2000

★ Tuvalu (resolution A/RES/55/1)
;1 November 2000

★ Federal Republic of Yugoslavia (resolution A/RES/55/12)

★
★ The Federal Republic of Yugoslavia changed its name to "Serbia and Montenegro" on 4 February 2003 after being reconstituted as a confederation. Its seat in the UN was succeeded by Serbia on 3 June 2006 after the independence of Montenegro.

2002

;10 September 2002

★ Switzerland (resolution A/RES/57/1)
;27 September 2002

★ Timor-Leste (resolution A/RES/57/3)

2006

;28 June 2006

★ Montenegro (resolution A/RES/60/264)

Summary

Year	# of UN admissions	# of UN members
1945	51	51
1946	4	55
1947	2	57
1948	1	58
1949	1	59
1950	1	60
1951	0	60
1952	0	60
1953	0	60
1954	0	60
1955	16	76
1956	4	80
1957	2	82
1958	1	82[1]
1959	0	82
1960	17	99
1961	4	104[2]
1962	6	110
1963	3	113
1964	3	115[3]
1965	3	117[4]
1966	4	122[5]
1967	1	123
1968	3	126
1969	0	126
1970	1	127
1971	5	132
1972	0	132
1973	3	135
1974	3	138
1975	6	144
1976	3	147
1977	2	149
1978	2	151
1979	1	152
1980	2	154
1981	3	157
1982	0	157
1983	1	158
1984	1	159
1985	0	159
1986	0	159
1987	0	159
1988	0	159
1989	0	159
1990	2	159[6][7]
1991	7	166
1992	13	179
1993	6	184[8]
1994	1	185
1995	0	185
1996	0	185
1997	0	185
1998	0	185
1999	3	188
2000	2	189[9]
2001	0	189
2002	2	191
2003	0	191
2004	0	191
2005	0	191
2006	1	192

Notes

1. Egypt and Syria merged to form the United Arab Republic.
2. Syria resumed as a separate UN member.
3. Tanganyika and Zanzibar merged to form the United Republic of Tanzania.
4. Indonesia withdrew from the UN.
5. Indonesia re-joined the UN.
6. The Yemen Arab Republic and the People's Democratic Republic of Yemen merged to form the unified state of Yemen.
7. The German Democratic Republic acceded to the Federal Republic of Germany to form the unified state of Germany.
8. Czechoslovakia ceased to be a UN member.
9. Yugoslavia ceased to be a UN member.

External links

★ Growth in United Nations membership, 1945-present