Member states of the International Telecommunication Union
{{Short description|Intergovernmental organization}}
File:International Telecommunication Union Member States.svg) recognized by the ITU in green.]]
The International Telecommunication Union member states are the 194 sovereign states that are members of the International Telecommunication Union (ITU) and have equal representation at its supreme decision-making body, the ITU Plenipotentiary Conference. The ITU is the world's oldest intergovernmental organization, having been founded in 1865.
| class="wikitable sortable"
! class="unsortable" | Flag ! Member state{{cite web|url=https://www.itu.int/online/mm/scripts/gensel8|title=List of ITU Member States|accessdate=2019-08-13|publisher=International Telecommunication Union}} !Date of Entry ! See also |
| {{Center|{{Flagicon|Afghanistan|2013}}}}
|1928/4/12 | |
| {{Center|{{Flagicon|Albania}}}}
| Albania |1922/6/2 | {{sort|~ |
|-
| {{Center|{{Flagicon|Algeria}}}}
| Algeria
|1963/5/3
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Andorra}}}}
| Andorra
|1993/11/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Angola}}}}
| Angola
|1976/10/13
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Antigua and Barbuda}}}}
|1987/2/4
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Argentina}}}}
|1889/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Armenia}}}}
| Armenia
|1992/6/30
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Australia}}}}
|1878/5/27
| Australia and the United Nations
|-
| {{Center|{{Flagicon|Austria}}}}
| Austria
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Azerbaijan}}}}
|1992/4/10
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Bahamas}}}}
| Bahamas
|1974/8/19
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Bahrain}}}}
| Bahrain
|1975/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Bangladesh}}}}
|1973/9/5
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Barbados}}}}
| Barbados
|1967/8/16
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Belarus}}}}
| Belarus
|1947/5/7
| Former member: Byelorussian Soviet Socialist Republic
|-
| {{Center|{{Flagicon|Belgium}}}}
| Belgium
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Belize}}}}
| Belize
|1981/12/16
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Benin}}}}
| Benin{{efn|Benin: Name was changed from Dahomey on 1 December 1975.}}
|1961/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Bhutan}}}}
| Bhutan
|1988/9/15
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Bolivia}}}}
| Plurinational State of Bolivia{{efn|Plurinational State of Bolivia: Previously referred to as Bolivia.}}
|1907/6/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Bosnia and Herzegovina}}}}
|1992/10/20
| Former member: Yugoslavia (original member)
|-
| {{Center|{{Flagicon|Botswana}}}}
| Botswana
|1968/4/2
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Brazil}}}}
| Brazil
|1877/7/4
| Brazil and the United Nations
|-
| {{Center|{{Flagicon|Brunei}}}}
|1984/11/19
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Bulgaria}}}}
| Bulgaria
|1880/9/18
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Burkina Faso}}}}
| Burkina Faso{{efn|Burkina Faso: Name was changed from Upper Volta on 6 August 1984.}}
|1962/1/16
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Burundi}}}}
| Burundi
|1963/2/16
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Cape Verde}}}}
| Cabo Verde{{efn|Cabo Verde: Previously referred to as Cape Verde. On 24 October 2013, Cabo Verde requested that its name no longer be translated into different languages.{{cite web|url=http://unterm.un.org/dgaacs/unterm.nsf/c2f5f1ea9d52ce7485256dc5006e5940/564216703eaddfae85257c1300729613/$FILE/Cabo%20Verde%20change%20of%20name.pdf|title=Change of name – Cape Verde|date=29 October 2013|accessdate=2 January 2014|publisher=United Nations|url-status=dead|archiveurl=https://web.archive.org/web/20140102195859/http://unterm.un.org/dgaacs/unterm.nsf/c2f5f1ea9d52ce7485256dc5006e5940/564216703eaddfae85257c1300729613/%24FILE/Cabo%20Verde%20change%20of%20name.pdf|archivedate=2 January 2014|df=dmy-all}}}}
|1976/9/10
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Cambodia}}}}
| Cambodia{{efn|Cambodia: Name was changed to the Khmer Republic on 7 October 1970, and back to Cambodia on 30 April 1975. Name was changed again to Democratic Kampuchea on 6 April 1976, and back to Cambodia on 3 February 1990.}}
|1952/4/10
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Cameroon}}}}
| Cameroon{{efn|Cameroon: Previously referred to as Cameroun (before merging with Southern Cameroons in 1961). By a letter of 4 January 1974, the Secretary-General was informed that Cameroon had changed its name to the United Republic of Cameroon. Name was changed back to Cameroon on 4 February 1984.}}
|1960/12/22
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Canada}}}}
| Canada
|1908/7/1
| Canada and the United Nations
|-
| {{Center|{{Flagicon|Central African Republic}}}}
| Central African Republic{{efn|Central African Republic: By a letter of 20 December 1976, the Central African Republic advised that it had changed its name to the Central African Empire. Name was changed back to the Central African Republic on 20 September 1979.}}
|1960/12/2
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Chad}}}}
| Chad
|1960/11/25
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Chile}}}}
| Chile
|1908/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|China}}}}
| China
|1920/9/1
| Former member: Republic of China and China and the United Nations
|-
| {{Center|{{Flagicon|Colombia}}}}
| Colombia
|1914/8/25
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Comoros}}}}
| Comoros
|1976/1/5
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Congo}}}}
| Congo{{efn|Congo: Previously referred to as Congo (Brazzaville) (to differentiate it from Congo (Leopoldville)) and the People's Republic of the Congo. Name was changed to Congo on 15 November 1971 (after the Democratic Republic of the Congo changed its name to Zaire). Also referred to as Congo (Republic of the).}}
|1960/12/13
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Costa Rica|state}}}}
|1932/9/13
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Ivory Coast}}}}
| Côte d'Ivoire{{efn|Côte d'Ivoire: Previously referred to as Ivory Coast. On 6 November 1985, Côte d'Ivoire requested that its name no longer be translated into different languages; this became fully effective on 1 January 1986.}}
|1960/12/23
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Croatia}}}}
| Croatia
|1992/6/3
|Former member: Yugoslavia (original member)
|-
| {{Center|{{Flagicon|Cuba}}}}
| Cuba
|1918/1/16
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Cyprus}}}}
| Cyprus
|1961/4/24
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Czech Republic}}}}
|1993/1/1
| Former member: Czechoslovakia (1920/1/10)
|-
| {{Center|{{Flagicon|North Korea}}}}
| Democratic People's Republic of Korea
|1975/9/24
| Korea and the United Nations
|-
| {{Center|{{Flagicon|Democratic Republic of the Congo}}}}
| Democratic Republic of the Congo{{efn|Democratic Republic of the Congo: Previously referred to as Congo (Leopoldville) (to differentiate it from Congo (Brazzaville)). Name was changed from the Democratic Republic of the Congo to Zaire on 27 October 1971, and back to the Democratic Republic of the Congo on 17 May 1997.}}
|1961/12/6
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Denmark}}}}
| Denmark
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Djibouti}}}}
| Djibouti
|1977/11/22
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Dominica}}}}
| Dominica
|1996/10/28
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Dominican Republic}}}}
|1926/7/11
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Ecuador}}}}
| Ecuador
|1920/4/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Egypt}}}}
| Egypt
|1876/12/9
| Former member: United Arab Republic
|-
| {{Center|{{Flagicon|El Salvador}}}}
|1927/10/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Equatorial Guinea}}}}
|1970/7/2
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Eritrea}}}}
| Eritrea
|1993/8/6
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Estonia}}}}
| Estonia
|1922/5/19 *
1992/4/22
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Swaziland}}}}
| Eswatini{{efn|Eswatini: Name was changed from Swaziland on 19 April 2018.}}
|1970/11/11
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Ethiopia}}}}
| Ethiopia
|1932/2/20
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Fiji}}}}
| Fiji
|1971/5/5
|-
| {{Center|{{Flagicon|Finland}}}}
| Finland
|1920/9/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|France}}}}
| France
|1865/5/17
| France and the United Nations
|-
| {{Center|{{Flagicon|Gabon}}}}
| Gabon
|1960/12/28
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Gambia}}}}
| Republic of The Gambia{{efn|Republic of The Gambia: Previously referred to as The Gambia.}}
|1974/5/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Georgia}}}}
| Georgia
|1993/1/7
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Germany}}}}
| Germany
|1865/5/17
| Former member: German Democratic Republic and Germany and the United Nations
|-
| {{Center|{{Flagicon|Ghana}}}}
| Ghana
|1957/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Greece}}}}
| Greece
|1869/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Grenada}}}}
| Grenada
|1981/11/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Guatemala}}}}
|1914/7/10
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Guinea}}}}
| Guinea
|1959/3/9
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Guinea-Bissau}}}}
|1976/1/15
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Guyana}}}}
| Guyana
|1967/3/8
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Haiti}}}}
| Haiti
|1927/10/10
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Honduras}}}}
| Honduras
|1925/10/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Hungary}}}}
| Hungary
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Iceland}}}}
| Iceland
|1906/10/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|India}}}}
| India
|1871/2/24
| India and the United Nations
|-
| {{Center|{{Flagicon|Indonesia}}}}
| Indonesia{{efn|Withdrew from the UN on 20 January 1965. It rejoined on 28 September 1966.}}
|1949/1/1
| Withdrawal of Indonesia (1965–1966) and Indonesia and the United Nations
|-
| {{Center|{{Flagicon|Iran}}}}
| Islamic Republic of Iran{{efn|Islamic Republic of Iran: Previously referred to as Iran. By a communication of 5 March 1981, Iran informed the Secretary-General that it should be referred to by its complete name of the Islamic Republic of Iran.}}
|1869/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Iraq}}}}
| Iraq
|1928/11/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Ireland}}}}
| Ireland
|1923/12/8
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Israel}}}}
| Israel
|1948/6/24
| Israel and the United Nations
|-
| {{Center|{{Flagicon|Italy}}}}
| Italy
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Jamaica}}}}
| Jamaica
|1963/2/18
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Japan}}}}
| Japan
|1879/1/29
| Japan and the United Nations
|-
| {{Center|{{Flagicon|Jordan}}}}
| Jordan
|1947/5/20
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Kazakhstan}}}}
| Kazakhstan{{efn|Kazakhstan: Spelling was changed from {{sic|Kazakstan|hide=y}} on 20 June 1997.}}
|1993/2/23
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Kenya}}}}
| Kenya
|1964/4/11
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Kiribati}}}}
| Kiribati
|1986/11/3
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Kuwait}}}}
| Kuwait
|1959/8/14
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Kyrgyzstan}}}}
|1994/1/20
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Laos}}}}
| Lao People's Democratic Republic{{efn|Lao People's Democratic Republic: Name was changed from Laos on 2 December 1975.}}
|1952/4/3
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Latvia}}}}
| Latvia
|1921/12/11 *
1991/11/11
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Lebanon}}}}
| Lebanon
|1924/1/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Lesotho}}}}
| Lesotho
|1967/5/26
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Liberia}}}}
| Liberia
|1927/10/10
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Libya}}}}
| Libya{{cite web| url=https://www.google.com/hostednews/ap/article/ALeqM5icXYt79s7IJJegE0iQ8CVQoiWl3A?docId=668f419b98cb446e81f2d5a226b96f9b|archive-url=https://web.archive.org/web/20110917012015/https://www.google.com/hostednews/ap/article/ALeqM5icXYt79s7IJJegE0iQ8CVQoiWl3A?docId=668f419b98cb446e81f2d5a226b96f9b | archive-date=2011-09-17 | title=UN approves Libya seat for former rebels| agency=Associated Press| date=16 September 2011| accessdate=16 September 2011| last=Lederer| first=Edith M.}}{{efn|Libya: Formerly recognised as the Libyan Arab Republic from 1969 after originally being admitted as Libya. By notes verbales of 1 and 21 April 1977, the Libyan Arab Republic advised that it had changed its name to the Libyan Arab Jamahiriya. On 16 September 2011, the UN General Assembly awarded the UN seat to the National Transitional Council, thereby restoring the original name of Libya.}}
|1953/2/3
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Liechtenstein}}}}
|1963/7/25
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Lithuania}}}}
|1923/7/1 *
1991/10/12
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Luxembourg}}}}
|1866/3/2
| Luxembourg and the United Nations
|-
| {{Center|{{Flagicon|Madagascar}}}}
| Madagascar{{efn|Madagascar: Previously referred to as the Malagasy Republic.}}
|1961/5/11
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Malawi}}}}
| Malawi
|1965/2/19
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Malaysia}}}}
| Malaysia
|1958/2/3
| Former member: Federation of Malaya and Malaysia and the United Nations
|-
| {{Center|{{Flagicon|Maldives}}}}
| Maldives{{efn|Maldives: Previously referred to as the Maldive Islands.}}
|1967/2/28
| {{dts|link=off|format=dmy|1965|9|21}}
|-
| {{Center|{{Flagicon|Mali}}}}
| Mali
|1960/10/21
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Malta}}}}
| Malta
|1965/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Marshall Islands}}}}
|1996/2/22
| Marshall Islands and the United Nations
|-
| {{Center|{{Flagicon|Mauritania}}}}
|1962/4/18
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Mauritius}}}}
|1969/8/30
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Mexico}}}}
| Mexico
|1908/7/1
| Mexico and the United Nations
|-
| {{Center|{{Flagicon|Federated States of Micronesia}}}}
| Federated States of Micronesia
|1993/3/18
| Federated States of Micronesia and the United Nations
|-
| {{Center|{{Flagicon|Monaco}}}}
| Monaco
|1908/7/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Mongolia}}}}
| Mongolia
|1964/8/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Montenegro}}}}
|2006/6/21
| Former member: Yugoslavia (original member) and Serbia and Montenegro
|-
| {{Center|{{Flagicon|Morocco}}}}
| Morocco
|1956/11/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Mozambique}}}}
|1975/11/4
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Myanmar}}}}
| Myanmar{{efn|Myanmar: Name was changed from Burma on 18 June 1989.}}
|1937/9/15
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Namibia}}}}
| Namibia
|1984/1/25
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Nauru}}}}
| Nauru
|1969/6/10
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Nepal}}}}
| Nepal
|1957/12/5
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Kingdom of the Netherlands}}}}
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|New Zealand}}}}
|1878/6/3
| New Zealand and the United Nations
|-
| {{Center|{{Flagicon|Nicaragua}}}}
|1926/5/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Niger}}}}
| Niger
|1960/11/14
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Nigeria}}}}
| Nigeria
|1961/4/11
| {{sort|~|}}
|-
| {{Center|{{Flagicon|North Macedonia}}}}
| North Macedonia{{efn|North Macedonia: Originally admitted under the temporary UN designation The former Yugoslav Republic of Macedonia.}}
|1993/5/4
| Former member: Yugoslavia (original member)
|-
| {{Center|{{Flagicon|Norway}}}}
| Norway
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Oman}}}}
| Oman
|1972/4/28
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Pakistan}}}}
| Pakistan
|1947/8/26
| Pakistan and the United Nations
|-
| {{Center|{{Flagicon|Panama}}}}
| Panama
|1914/7/14
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Papua New Guinea}}}}
|1975/10/31
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Paraguay}}}}
| Paraguay
|1927/9/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Peru}}}}
| Peru
|1915/7/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Philippines}}}}
| Philippines{{efn|Philippines: Previously referred to as the Philippine Commonwealth (before becoming a republic in 1946) and as the Philippine Republic.}}
|1912/5/25
| Philippines and the United Nations
|-
| {{Center|{{Flagicon|Poland}}}}
| Poland
|1921/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Portugal}}}}
| Portugal
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Qatar}}}}
| Qatar
|1973/3/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|South Korea}}}}
|1952/1/31
| Korea and the United Nations
|-
| {{Center|{{Flagicon|Moldova}}}}
| Republic of Moldova{{efn|Republic of Moldova: Previously referred to as Moldova.}}
|1992/10/20
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{flagicon image|Flag of Palau.svg|size=23px}}}}
|2024/9/19
|-
| {{Center|{{Flagicon|Romania}}}}
| Romania
|1866/2/9
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Russia}}}}
|1865/5/17
| Former member: Union of Soviet Socialist Republics and Soviet Union and the United Nations and Russia and the United Nations
|-
| {{Center|{{Flagicon|Rwanda}}}}
| Rwanda
|1962/12/12
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Saint Kitts and Nevis}}}}
| Saint Kitts and Nevis{{efn|Saint Kitts and Nevis: Name was changed officially from Saint Christopher and Nevis on 26 November 1986; the UN, however, continued to use the former name throughout the year.}}
|2006/3/15
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Saint Lucia}}}}
|1997/9/4
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Saint Vincent and the Grenadines}}}}
| Saint Vincent and the Grenadines
|1983/3/25
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Samoa}}}}
| Samoa
|1988/10/7
| {{sort|~|}}
|-
| {{Center|{{Flagicon|San Marino}}}}
|1977/3/25
| {{sort|~|}}
|-
| {{Center|{{Flagicon|São Tomé and Príncipe}}}}
| São Tomé and Príncipe{{efn|Sao Tome and Principe: The official UN designation lacks diacritics; however, the name is constitutionally defined as São Tomé and Príncipe, with diacritics.}}
|1976/9/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Saudi Arabia}}}}
|1949/2/7
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Senegal}}}}
| Senegal
|1960/11/15
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Serbia}}}}
| Serbia
|1866
| Former member: Yugoslavia (original member), Serbia and Montenegro, and Serbia and the United Nations
|-
| {{Center|{{Flagicon|Seychelles}}}}
|1999/9/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Sierra Leone}}}}
|1961/12/30
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Singapore}}}}
|1965/10/22
| Former member: Malaysia and Singapore and the United Nations
|-
| {{Center|{{Flagicon|Slovakia}}}}
| Slovakia
|1993/2/23
| Former member: Czechoslovakia (1920/1/10)
|-
| {{Center|{{Flagicon|Slovenia}}}}
| Slovenia
|1992/6/16
| Former member: Yugoslavia (original member)
|-
| {{Center|{{Flagicon|Solomon Islands}}}}
|1987/7/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Somalia}}}}
| Somalia
|1962/9/28
| {{sort|~|}}
|-
| {{Center|{{Flagicon|South Africa}}}}
| South Africa{{efn|South Africa: Previously referred to as the Union of South Africa (before becoming a republic in 1961).}}
|1910/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|South Sudan}}}}
|2011/10/3
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Spain}}}}
| Spain
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Sri Lanka}}}}
| Sri Lanka{{efn|Sri Lanka: Name was changed from Ceylon on 22 May 1972.}}
|1897/1/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Sudan}}}}
| Sudan
|1957/10/23
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Suriname}}}}
| Suriname{{efn|Suriname: Name was changed from Surinam on 23 January 1978.}}
|1976/7/15
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Sweden}}}}
| Sweden
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Switzerland}}}}
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Syria}}}}
|1924/1/12
| Former member: United Arab Republic
|-
| {{Center|{{Flagicon|Tajikistan}}}}
|1994/4/28
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Thailand}}}}
| Thailand{{efn|Thailand: Previously referred to as Siam.}}
|1883/4/21
| {{sort|~|}}
|-
| {{Center|{{Flagicon|East Timor}}}}
|2010/8/24
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Togo}}}}
| Togo
|1961/9/14
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Tonga}}}}
| Tonga
|1972/1/7
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Trinidad and Tobago}}}}
|1965/3/6
| Trinidad and Tobago and the United Nations
|-
| {{Center|{{Flagicon|Tunisia}}}}
| Tunisia
|1956/12/14
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Turkey}}}}
| Turkey
|1865/5/17
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Turkmenistan}}}}
|1993/5/7
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Tuvalu}}}}
| Tuvalu
|1996/8/15
| Tuvalu and the United Nations
|-
| {{Center|{{Flagicon|Uganda}}}}
| Uganda
|1963/3/8
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Ukraine}}}}
| Ukraine
|1947/5/7
| Former member: Ukrainian Soviet Socialist Republic
|-
| {{Center|{{Flagicon|United Arab Emirates}}}}
|1972/6/27
| {{sort|~|}}
|-
| {{Center|{{Flagicon|United Kingdom}}}}
| United Kingdom of Great Britain and Northern Ireland
|1871/2/24
| United Kingdom and the United Nations
|-
| {{Center|{{Flagicon|Tanzania}}}}
|1962/10/31
| Former member: Tanganyika and Zanzibar
|-
| {{Center|{{Flagicon|United States}}}}
|1908/7/1
| United States and the United Nations
|-
| {{Center|{{Flagicon|Uruguay}}}}
| Uruguay
|1902/7/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Uzbekistan}}}}
|1992/7/10
| Former member: Union of Soviet Socialist Republics
|-
| {{Center|{{Flagicon|Vanuatu}}}}
| Vanuatu
|1988/3/30
| Vanuatu and the United Nations
|-
| {{Center|{{Flagicon|Vatican City}}}}
|1929/6/1
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Venezuela}}}}
| Bolivarian Republic of Venezuela{{efn|Bolivarian Republic of Venezuela: Previously referred to as Venezuela.}}
|1920/8/13
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Vietnam}}}}
| Vietnam
|1951/9/24
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Yemen}}}}
| Yemen
|1931/1/1
| Former members: Yemen and Democratic Yemen
|-
| {{Center|{{Flagicon|Zambia}}}}
| Zambia
|1965/8/23
| {{sort|~|}}
|-
| {{Center|{{Flagicon|Zimbabwe}}}}
| Zimbabwe
|1981/2/10
| {{sort|~|}}
|}