For addresses and other contact information please refer to the UN Blue Book.
For any changes in the name of the country, or its membership details, please follow the link on the Member State.
Afghanistan
Date of Admission: 19-11-46
Albania
Date of Admission: 14-12-55
Algeria
Date of Admission: 08-10-62
Andorra
Date of Admission: 28-07-93
Angola
Date of Admission: 01-12-76
Antigua and Barbuda
Date of Admission: 11-11-81
Argentina
Date of Admission: 24-10-45
Armenia
Date of Admission: 02-03-92
Australia
Date of Admission: 01-11-45
Austria
Date of Admission: 14-12-55
Azerbaijan
Date of Admission: 02-03-92
Bahamas
Date of Admission: 18-09-73
Bahrain
Date of Admission: 21-09-71
Bangladesh
Date of Admission: 17-09-74
Barbados
Date of Admission: 09-12-66
Belgium
Date of Admission: 27-12-45
Belize
Date of Admission: 25-09-81
Bhutan
Date of Admission: 21-09-71
Botswana
Date of Admission: 17-10-66
Brazil
Date of Admission: 24-10-45
Brunei Darussalam
Date of Admission: 21-09-84
Bulgaria
Date of Admission: 14-12-55
Burundi
Date of Admission: 18-09-62
Cambodia
Date of Admission: 14-12-55
Cameroon
Date of Admission: 20-09-60
Canada
Date of Admission: 09-11-45
Central African Republic
Date of Admission: 20-09-60
Chad
Date of Admission: 20-09-60
Chile
Date of Admission: 24-10-45
China
Date of Admission: 24-10-45
Colombia
Date of Admission: 05-11-45
Comoros
Date of Admission: 12-11-75
Costa Rica
Date of Admission: 02-11-45
Cuba
Date of Admission: 24-10-45
Cyprus
Date of Admission: 20-09-60
Democratic People's Republic of Korea
Date of Admission: 17-09-91
Denmark
Date of Admission: 24-10-45
Djibouti
Date of Admission: 20-09-77
Dominica
Date of Admission: 18-12-78
Dominican Republic
Date of Admission: 24-10-45
Ecuador
Date of Admission: 21-12-45
El Salvador
Date of Admission: 24-10-45
Equatorial Guinea
Date of Admission: 12-11-68
Eritrea
Date of Admission: 28-05-93
Estonia
Date of Admission: 17-09-91
Ethiopia
Date of Admission: 13-11-45
Fiji
Date of Admission: 13-10-70
Finland
Date of Admission: 14-12-55
France
Date of Admission: 24-10-45
Gabon
Date of Admission: 20-09-60
Gambia (Republic of The)
Date of Admission: 21-09-65
Georgia
Date of Admission: 31-07-92
Ghana
Date of Admission: 08-03-57
Greece
Date of Admission: 25-10-45
Grenada
Date of Admission: 17-09-74
Guatemala
Date of Admission: 21-11-45
Guinea
Date of Admission: 12-12-58
Guinea Bissau
Date of Admission: 17-09-74
Haiti
Date of Admission: 24-10-45
Honduras
Date of Admission: 17-12-45
Hungary
Date of Admission: 14-12-55
Iceland
Date of Admission: 19-11-46
India
Date of Admission: 30-10-45
Iraq
Date of Admission: 21-12-45
Ireland
Date of Admission: 14-12-55
Israel
Date of Admission: 11-05-49
Italy
Date of Admission: 14-12-55
Jamaica
Date of Admission: 18-09-62
Japan
Date of Admission: 18-12-56
Jordan
Date of Admission: 14-12-55
Kazakhstan
Date of Admission: 02-03-92
Kenya
Date of Admission: 16-12-63
Kiribati
Date of Admission: 14-09-99
Kuwait
Date of Admission: 14-05-63
Kyrgyzstan
Date of Admission: 02-03-92
Latvia
Date of Admission: 17-09-91
Lebanon
Date of Admission: 24-10-45
Lesotho
Date of Admission: 17-10-66
Liberia
Date of Admission: 02-11-45
Liechtenstein
Date of Admission: 18-09-90
Lithuania
Date of Admission: 17-09-91
Luxembourg
Date of Admission: 24-10-45
Malawi
Date of Admission: 01-12-64
Maldives
Date of Admission: 21-09-65
Mali
Date of Admission: 28-09-60
Malta
Date of Admission: 01-12-64
Marshall Islands
Date of Admission: 17-09-91
Mauritania
Date of Admission: 27-10-61
Mauritius
Date of Admission: 24-04-68
Mexico
Date of Admission: 07-11-45
Micronesia (Federated States of)
Date of Admission: 17-09-91
Monaco
Date of Admission: 28-05-93
Mongolia
Date of Admission: 27-10-61
Morocco
Date of Admission: 12-11-56
Mozambique
Date of Admission: 16-09-75
Namibia
Date of Admission: 23-04-90
Nauru
Date of Admission: 14-09-99
Nepal
Date of Admission: 14-12-55
Netherlands
Date of Admission: 10-12-45
New Zealand
Date of Admission: 24-10-45
Nicaragua
Date of Admission: 24-10-45
Niger
Date of Admission: 20-09-60
Nigeria
Date of Admission: 07-10-60
Norway
Date of Admission: 27-11-45
Oman
Date of Admission: 07-10-71
Pakistan
Date of Admission: 30-09-47
Palau
Date of Admission: 15-12-94
Panama
Date of Admission: 13-11-45
Papua New Guinea
Date of Admission: 10-10-75
Paraguay
Date of Admission: 24-10-45
Peru
Date of Admission: 31-10-45
Poland
Date of Admission: 24-10-45
Portugal
Date of Admission: 14-12-55
Qatar
Date of Admission: 21-09-71
Republic of Korea
Date of Admission: 17-09-91
Republic of Moldova
Date of Admission: 02-03-92
Romania
Date of Admission: 14-12-55
Rwanda
Date of Admission: 18-09-62
Saint Lucia
Date of Admission: 18-09-79
Saint Vincent and the Grenadines
Date of Admission: 16-09-80
Samoa
Date of Admission: 15-12-76
San Marino
Date of Admission: 02-03-92
Sao Tome and Principe
Date of Admission: 16-09-75
Saudi Arabia
Date of Admission: 24-10-45
Senegal
Date of Admission: 28-09-60
Seychelles
Date of Admission: 21-09-76
Sierra Leone
Date of Admission: 27-09-61
Solomon Islands
Date of Admission: 19-09-78
Somalia
Date of Admission: 20-09-60
Spain
Date of Admission: 14-12-55
Sudan
Date of Admission: 12-11-56
Suriname
Date of Admission: 04-12-75
Sweden
Date of Admission: 19-11-46
Switzerland
Date of Admission: 10-09-02
Tajikistan
Date of Admission: 02-03-92
Timor-Leste
Date of Admission: 27-09-02
Togo
Date of Admission: 20-09-60
Tonga
Date of Admission: 14-09-99
Trinidad and Tobago
Date of Admission: 18-09-62
Tunisia
Date of Admission: 12-11-56
Turkey
Date of Admission: 24-10-45
Turkmenistan
Date of Admission: 02-03-92
Tuvalu
Date of Admission: 05-09-00
Uganda
Date of Admission: 25-10-62
United Arab Emirates
Date of Admission: 09-12-71
United Kingdom of Great Britain and Northern Ireland
Date of Admission: 24-10-45
United States of America
Date of Admission: 24-10-45
Uruguay
Date of Admission: 18-12-45
Uzbekistan
Date of Admission: 02-03-92
Vanuatu
Date of Admission: 15-09-81
Venezuela, Bolivarian Republic of
Date of Admission: 15-11-45
Viet Nam
Date of Admission: 20-09-77
Zambia
Date of Admission: 01-12-64
Zimbabwe
Date of Admission: 25-08-80