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Enlargement of the United Nations

From Wikipedia, the free encyclopedia
Joining of each UN member

Map of the current UN member states by their years of admission
  1945 (original members)
  1946–1959
  1960–1989
  1990–present
  non-member observer states

As of 25 November 2025, there are 193 member states in theUnited Nations (UN), each of which is a member of theUnited Nations General Assembly.[1]

The following is alist of United Nations member states arranged in chronological order according to their dates of admission (with theUnited Nations Security Council resolutions that recommended their admission and theUnited Nations General Assembly resolutions that admitted them, signified with SCR and GAR, respectively),[2] including former members. Members denoted with "→" changed their names, had their memberships in the UN continued by asuccessor state, merged with other members, or were dissolved.

Timeline

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1940s

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1945 (original members)

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The UN officially came into existence on 24 October 1945, after ratification of theUnited Nations Charter by the five permanent members of theUnited Nations Security Council (China,France, theSoviet Union, theUnited Kingdom, and theUnited States) and a majority of the other signatories.[3] A total of 51 original members (or founding members) joined that year; 50 of them signed the Charter at theUnited Nations Conference on International Organization inSan Francisco on 26 June 1945, whilePoland, which was not represented at the conference, signed it on 15 October 1945.[4]

24 October 1945

25 October 1945

30 October 1945

31 October 1945

1 November 1945

2 November 1945

5 November 1945

7 November 1945

9 November 1945

13 November 1945

14 November 1945

15 November 1945

21 November 1945

27 November 1945

10 December 1945

17 December 1945

18 December 1945

21 December 1945

27 December 1945

1946

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19 November 1946 (all bySCR 8 and GAR 34)

16 December 1946

1947

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30 September 1947 (all bySCR 29 and GAR 108)

1948

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19 April 1948

1949

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11 May 1949

1950s

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1950

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28 September 1950

1955

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14 December 1955(all bySCR 109 and GAR 995)

1956

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12 November 1956

18 December 1956

1957

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8 March 1957

17 September 1957

1958

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22 February 1958

12 December 1958

1960s

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1960

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20 September 1960

28 September 1960

7 October 1960

1961

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27 September 1961

27 October 1961

14 December 1961

1962

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18 September 1962

8 October 1962

25 October 1962

1963

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14 May 1963

16 December 1963

1964

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1 December 1964

1965

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20 January 1965

21 September 1965

1966

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20 September 1966

28 September 1966

17 October 1966

9 December 1966

1967

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14 December 1967

1968

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24 April 1968

24 September 1968

12 November 1968

1970s

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1970

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13 October 1970

1971

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21 September 1971

7 October 1971

25 October 1971

9 December 1971

1973

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18 September 1973

1974

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17 September 1974

1975

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16 September 1975

10 October 1975

12 November 1975

4 December 1975

1976

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21 September 1976

1 December 1976

15 December 1976

1977

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20 September 1977

1978

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19 September 1978

18 December 1978

1979

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18 September 1979

1980s

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1980

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25 August 1980

16 September 1980

1981

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15 September 1981

25 September 1981

11 November 1981

1983

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23 September 1983

1984

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21 September 1984

1990s

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1990

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23 April 1990

18 September 1990

1991

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17 September 1991

1992

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2 March 1992

22 May 1992

31 July 1992

1993

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19 January 1993

8 April 1993

28 May 1993

28 July 1993

1994

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15 December 1994

1999

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14 September 1999

2000s

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2000

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5 September 2000

1 November 2000

2002

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10 September 2002

27 September 2002

2006

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28 June 2006

2010s

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2011

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14 July 2011

Summary

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Map of the UN member states by the decade of their dates of admission (former member states shown in insets)

Below is a summary of the growth in UN membership.[5]

Year# of admissions# of members
19455151
1946455
1947257
1948158
1949159
1950160
1951–1954060
19551676
1956480
1957282
1958182[A]
1959082
19601799
19614104[A]
19626110
19633113
19643115[B]
19653117[C]
19664122[C]
19671123
19683126
19690126
19701127
19715132
19720132
19733135
19743138
19756144
19763147
19772149
19782151
19791152
19802154
19813157
19820157
19831158
19841159
1985–19890159
19902159[D][E]
19917166
199213179
19936184[F]
19941185
1995–19980185
19993188
20002189[G]
20010189
20022191
2003–20050191
20061192
2007–20100192
20111193
2012–present0193

See also

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Notes

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  1. ^abcde
    Egypt and Syria merged to form the United Arab Republic on 22 February 1958. They resumed as separate UN members on 13 October 1961 after Syria resumed its status as an independent state.
  2. ^abc
    Tanganyika and Zanzibar merged to form the United Republic of Tanganyika and Zanzibar on 26 April 1964, which later changed its name to the United Republic of Tanzania.
  3. ^abcde
    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 rejoin the UN on 28 September 1966.
  4. ^abc
    Yemen and Democratic Yemen merged on 22 May 1990, seeYemeni unification for details.
  5. ^abc
    The German Democratic Republic acceded to the Federal Republic of Germany on 3 October 1990, seeGerman reunification for details.
  6. ^ab
    Czechoslovakia ceased to be a UN member on 1 January 1993 after its dissolution into the Czech Republic and Slovakia, seeDissolution of Czechoslovakia for details.
  7. ^ab
    Yugoslavia (referring to the Socialist Federal Republic of Yugoslavia), effectively dissolved by 1992, was removed from the official roster of UN members in 2000 following the admission of Bosnia and Herzegovina, Croatia, Slovenia, Macedonia, and the Federal Republic of Yugoslavia (name later changed to Serbia and Montenegro) as new UN members. For details seeBreakup of Yugoslavia andYugoslav Wars.
  8. ^abc
    China, officially known then as theRepublic of China (ROC) was a founding member of the UN and a permanent member of theSecurity Council with veto power. In 1949, theROC government led by theKuomintang (KMT) lost theChinese Civil War andretreated to the island ofTaiwan. TheChinese Communist Party (CCP) then established thePeople's Republic of China (PRC) on theChinese mainland. As such, thepolitical status of the ROC (alongside theterritories currently under ROC jurisdiction) are in dispute. Constitutionally, both the ROC and the PRC continue to claim to be thesole legitimate government of the entirety of China (including Taiwan).[6][7][8] In 1971, the PRC replaced the ROC as the legitimaterepresentative of "China" at the UN.[9] The ROC was subsequently expelled from the UN and its organs. Since then, attempts to rejoin the UN were blocked by the PRC and the ROC was forced to use other designations in other international organizations such as the name "Chinese Taipei" in theInternational Olympic Committee.
  9. ^
    Afghanistan's UN seat was retained by thedeposedIslamic Republic government as theTaliban-ledIslamic Emirate government, who controls all of Afghan territory, remains unrecognized.[10]

References

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  1. ^"What are Member States?". United Nations.
  2. ^"Current Member States". United Nations.
  3. ^"History of the United Nations". United Nations.
  4. ^"Founding Member States". United Nations.
  5. ^"Growth in United Nations membership, 1945–present". United Nations. Archived fromthe original on 12 July 2014.
  6. ^Sarmento, Clara (2009).Eastwards / Westwards: Which Direction for Gender Studies in the 21st Century?. Cambridge Scholars. p. 127.ISBN 9781443808682.
  7. ^Hudson, Christopher (2014).The China Handbook. Routledge. p. 59.ISBN 9781134269662.
  8. ^Rigger, Shelley (2002).Politics in Taiwan: Voting for Reform. Routledge. p. 60.ISBN 9781134692972.
  9. ^Froehlich, Annette; Seffinga, Vincent (2019).The United Nations and Space Security: Conflicting Mandates between UNCOPUOS and the CD. Springer. p. 40.ISBN 9783030060251.
  10. ^Nichols, Michelle (15 December 2022)."Afghan Taliban Administration, Myanmar Junta Not Allowed Into United Nations for Now".Reuters.Archived from the original on 22 December 2022. Retrieved9 February 2023.
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