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Member Date of Admission
Panama 13 November 1945
Papua New Guinea 10 October 1975
Paraguay 24 October 1945
Peru 31 October 1945
Philippines 24 October 1945
Poland 24 October 1945
Portugal 14 December 1955
Qatar 21 September 1971
Republic of Korea 17 September 1991
Republic of Moldova 2 March 1992
Romania 14 December 1955
Russian Federation[1] 24 October 1945
Rwanda 18 September 1962
Saint Kitts and Nevis 23 September 1983
Saint Lucia 18 September 1979
Saint Vincent and the Grenadines 16 September 1980
Samoa 15 December 1976
San Marino 2 March 1992
Sao Tome and Principe 16 September 1975
Saudi Arabia 24 October 1945
Senegal 28 September 1960
Serbia[2] 1 November 2000
Seychelles 21 September 1976
Sierra Leone 27 September 1961
Singapore 21 September 1965
Slovakia[3] 19 January 1993
Slovenia[4] 22 May 1992
Solomon Islands 19 September 1978
Somalia 20 September 1960
South Africa 7 November 1945
Spain 14 December 1955
Sri Lanka 14 December 1955
Sudan 12 November 1956
Suriname 4 December 1975
Swaziland 24 September 1968
Switzerland 10 September 2002
  1. 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.
  2. 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. 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. 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 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.
  3. 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 its application, the Security Council, on 8 January 1993, recommended to the General Assembly that the Slovak Republic be admitted to United Nations Membership. The Slovak Republic was thus admitted on 19 January of that year as a Member State.
  4. 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 Slovenia was admitted as a Member of the United Nations by General Assembly resolution A/RES/46/236 of 22 May 1992.