| Country |
Continent(s) |
Joined [1] |
Official Name |
|
|
|
|
| Afghanistan |
Asia |
November.19.1946 |
Islamic Republic of Afghanistan |
| Albania |
Europe |
December.14.1955 |
Republic of Albania |
| Algeria |
Africa |
October.08.1962 |
People's Democratic Republic of Algeria |
| Andorra |
Europe |
July.28.1993 |
Principality of Andorra |
| Angola |
Africa |
December.01.1976 |
Republic of Angola |
| Antigua & Barbuda |
North America |
November.11.1981 |
Antigua & Barbuda |
| Argentina |
South America |
October.24.1945 |
Argentine Republic |
| Armenia |
Europe / Asia |
March.02.1992 |
Republic of Armenia |
| Australia |
Oceania |
November.01.1945 |
Commonwealth of Australia |
| Austria |
Europe |
December.14.1955 |
Republic of Austria |
| Azerbaijan |
Europe / Asia |
March.02.1992 |
Republic of Azerbaijan |
| Bahamas |
North America |
September.18.1973 |
Commonwealth of the Bahamas |
| Bahrain |
Asia |
September.21.1971 |
Kingdom of Bahrain |
| Bangladesh |
Asia |
September.17.1974 |
People's Republic of Bangladesh |
| Barbados |
North America |
December.09.1966 |
Barbados |
| Belarus |
Europe |
October.24.1945 |
Republic of Belarus |
| Belgium |
Europe |
December.27.1945 |
Kingdom of Belgium |
| Belize |
North America |
September.25.1981 |
Belize |
| Benin |
Africa |
September.20.1960 |
Republic of Benin |
| Bhutan |
Asia |
September.21.1971 |
Kingdom of Bhutan |
| Bolivia |
South America |
November.14.1945 |
Plurinational State of Bolivia |
| Bosnia & Herzegovina |
Europe |
May.22.1992 |
Bosnia & Herzegovina |
| Botswana |
Africa |
October.17.1966 |
Republic of Botswana |
| Brazil |
South America |
October.24.1945 |
Federative Republic of Brazil |
| Brunei |
Asia |
September.21.1984 |
State of Brunei, Abode of Peace |
| Bulgaria |
Europe |
December.14.1955 |
Republic of Bulgaria |
| Burkina Faso |
Africa |
September.20.1960 |
Burkina Faso |
| Burma |
Asia |
April.19.1948 |
Union of Myanmar |
| Burundi |
Africa |
September.18.1962 |
Republic of Burundi |
| Cambodia |
Asia |
December.14.1955 |
Kingdom of Cambodia |
| Cameroon |
Africa |
September.20.1960 |
Republic of Cameroon |
| Canada |
North America |
November.09.1945 |
Canada |
| Cape Verde |
Africa |
September.16.1975 |
Republic of Cape Verde |
| Central African Republic |
Africa |
September.20.1960 |
Central African Republic |
| Chad |
Africa |
September.20.1960 |
Republic of Chad |
| Chile |
South America |
October.24.1945 |
Republic of Chile |
| China |
Asia |
October.24.1945 |
People's Republic of China |
| Colombia |
South America |
November.05.1945 |
Republic of Colombia |
| Comoros |
Africa |
November.12.1975 |
Union of the Comoros |
| Costa Rica |
North America |
November.02.1945 |
Republic of Costa Rica |
| Croatia |
Europe |
May.22.1992 |
Republic of Croatia |
| Cuba |
North America |
October.24.1945 |
Republic of Cuba |
| Cyprus, Republic of |
Europe / Asia |
September.20.1960 |
Republic of Cyprus |
| Czech Republic |
Europe |
January.19.1993 |
Czech Republic |
| Denmark |
Europe |
October.24.1945 |
Kingdom of Denmark |
| Djibouti |
Africa |
September.20.1977 |
Republic of Djibouti |
| Dominica |
North America |
December.18.1978 |
Commonwealth of Dominica |
| Dominican Republic |
North America |
October.24.1945 |
Dominican Republic |
| DR Congo |
Africa |
September.20.1960 |
Democratic Republic of the Congo / Congo-Kinshasa |
| East Timor |
Asia / Oceania |
September.27.2002 |
Democratic Republic of Timor-Leste |
| Ecuador |
South America |
December.21.1945 |
Republic of Ecuador |
| Egypt |
Africa |
October.24.1945 |
Arab Republic of Egypt |
| El Salvador |
North America |
October.24.1945 |
Republic of El Salvador |
| Equatorial Guinea |
Africa |
November.12.1968 |
Republic of Equatorial Guinea |
| Eritrea |
Africa |
May.28.1993 |
State of Eritrea |
| Estonia |
Europe |
September.17.1991 |
Republic of Estonia |
| Ethiopia |
Africa |
November.13.1945 |
Federal Democratic Republic of Ethiopia |
| Fiji |
Oceania |
October.13.1970 |
Republic of the Fiji Islands |
| Finland |
Europe |
December.14.1955 |
Republic of Finland |
| France |
Europe |
October.24.1945 |
French Republic |
| Gabon |
Africa |
September.20.1960 |
Gabonese Republic |
| Gambia |
Africa |
September.21.1965 |
Republic of the Gambia |
| Georgia |
Europe / Asia |
July.31.1992 |
Georgia |
| Germany |
Europe |
September.18. 1973 |
Federal Republic of Germany |
| Ghana |
Africa |
March.08.1957 |
Republic of Ghana |
| Greece |
Europe |
October.25.1945 |
Hellenic Republic |
| Grenada |
North America |
September.17.1974 |
Grenada |
| Guatemala |
North America |
November.21.1945 |
Republic of Guatemala |
| Guinea |
Africa |
December.12.1958 |
Republic of Guinea |
| Guinea-Bissau |
Africa |
September.17.1974 |
Republic of Guinea-Bissau |
| Guyana |
South America |
September.20.1966 |
Co-operative Republic of Guyana |
| Haiti |
North America |
October.24.1945 |
Republic of Haiti |
| Honduras |
North America |
December.17.1945 |
Republic of Honduras |
| Hungary |
Europe |
December.14.1955 |
Republic of Hungary |
| Iceland |
Europe |
November.19.1946 |
Republic of Iceland |
| India |
Asia |
October.30.1945 |
Republic of India |
| Indonesia |
Asia / Oceania |
September.28.1950 |
Republic of Indonesia |
| Iran |
Asia |
October.24.1945 |
Islamic Republic of Iran |
| Iraq |
Asia |
December.21.1945 |
Republic of Iraq |
| Ireland, Republic of |
Europe |
December.14.1955 |
Republic of Ireland |
| Israel |
Asia |
May.11.1949 |
State of Israel |
| Italy |
Europe |
December.14.1955 |
Italian Republic |
| Ivory Coast |
Africa |
September.20.1960 |
Republic of Côte d'Ivoire |
| Jamaica |
North America |
September.18.1962 |
Jamaica |
| Japan |
Asia |
December.18.1962 |
Nippon-koku / Nihon-koku |
| Jordan |
Asia |
December.18.1956 |
Hashemite Kingdom of Jordan |
| Kazakhstan |
Europe / Asia |
March.02.1992 |
Republic of Kazakhstan |
| Kenya |
Africa |
December.16.1963 |
Republic of Kenya |
| Kiribati |
Oceania |
September.14.1999 |
Republic of Kiribati |
| Kuwait |
Asia |
May.14.1963 |
State of Kuwait |
| Kyrgyzstan |
Asia |
March.02.1992 |
Kyrgyz Republic |
| Laos |
Asia |
December.14.1955 |
Lao People's Democratic Republic |
| Latvia |
Europe |
September.17.1991 |
Republic of Latvia |
| Lebanon |
Asia |
October.24.1945 |
Republic of Lebanon |
| Lesotho |
Africa |
October.17.1966 |
Kingdom of Lesotho |
| Liberia |
Africa |
November.02.1945 |
Republic of Liberia |
| Libya |
Africa |
December.14.1955 |
Great Socialist People's Libyan Arab Jamahiriya |
| Liechtenstein |
Europe |
September.18.1990 |
Principality of Liechtenstein |
| Lithuania |
Europe |
September.17.1991 |
Republic of Lithuania |
| Luxembourg |
Europe |
October.24.1945 |
Grand Duchy of Luxembourg |
| Macedonia |
Europe |
April.08.1993 |
Republic of Macedonia |
| Madagascar |
Africa |
September.20.1960 |
Republic of Madagascar |
| Malawi |
Africa |
December.01.1964 |
Republic of Malawi |
| Malaysia |
Asia |
September.17.1957 |
Federation of Malaysia |
| Maldives |
Asia |
September.21.1965 |
Republic of Maldives |
| Mali |
Africa |
September.28.1960 |
Republic of Mali |
| Malta |
Europe |
December.01.1964 |
Republic of Malta |
| Marshall Islands |
Oceania |
September.17.1991 |
Republic of the Marshall Islands |
| Mauritania |
Africa |
October.271961 |
Islamic Republic of Mauritania |
| Mauritius |
Africa |
April.24.1968 |
Republic of Mauritius |
| Mexico |
North America |
November.07.1945 |
United Mexican States |
| Micronesia |
Oceania |
September.17.1991 |
Federated States of Micronesia |
| Moldova |
Europe |
March.02.1992 |
Republic of Moldova |
| Monaco |
Europe |
May.28.1993 |
Principality of Monaco |
| Mongolia |
Asia |
October.27.1961 |
Mongol Nation |
| Montenegro |
Europe |
June.28. 2006 |
Montenegro |
| Morocco |
Africa |
November.12.1956 |
Kingdom of Morocco |
| Mozambique |
Africa |
September.16.1975 |
Republic of Mozambique |
| Namibia |
Africa |
April.23.1990 |
Republic of Namibia |
| Nauru |
Oceania |
September.14.1999 |
Republic of Nauru |
| Nepal |
Asia |
December.14.1955 |
Federal Democratic Republic of Nepal |
| Netherlands |
Europe |
December.10.1945 |
Kingdom of the Netherlands |
| New Zealand |
Oceania |
October.24.1945 |
New Zealand |
| Nicaragua |
North America |
October.24.1945 |
Republic of Nicaragua |
| Niger |
Africa |
September.20.1960 |
Republic of Niger |
| Nigeria |
Africa |
October.07.1960 |
Federal Republic of Nigeria |
| North Korea |
Asia |
September.17.1991 |
Democratic People's Republic of Korea |
| Norway |
Europe |
November.27.1945 |
Kingdom of Norway |
| Oman |
Asia |
October.07.1971 |
Sultanate of Oman |
| Pakistan |
Asia |
September.30.1947 |
Islamic Republic of Pakistan |
| Palau |
Oceania |
December.15.1994 |
Republic of Palau |
| Panama |
North America |
November.13.1945 |
Republic of Panama |
| Papua New Guinea |
Oceania |
October.10.1975 |
Independent State of Papua New Guinea |
| Paraguay |
South America |
October.24.1945 |
Republic of Paraguay |
| Peru |
South America |
October.31.1945 |
Republic of Peru |
| Philippines |
Asia |
October.24.1945 |
Republic of the Philippines |
| Poland |
Europe |
October.24.1945 |
Republic of Poland |
| Portugal |
Europe |
December.14.1955 |
Portuguese Republic |
| Qatar |
Asia |
September.21.1971 |
State of Qatar |
| Republic of the Congo |
Africa |
September.20.1960 |
Republic of the Congo / Congo-Brazzaville |
| Romania |
Europe |
December.14.1955 |
Romania |
| Russia |
Europe / Asia |
October.24.1945 |
Russian Federation |
| Rwanda |
Africa |
September.18.1962 |
Republic of Rwanda |
| Saint Kitts & Nevis |
North America |
September.23.1983 |
Federation of Saint Christopher & Nevis |
| Saint Lucia |
North America |
September.18.1979 |
Saint Lucia |
| Saint Vincent & Grenadines |
North America |
September.16.1980 |
Saint Vincent & the Grenadines |
| Samoa |
Oceania |
December.15.1976 |
Independent State of Samoa |
| San Marino |
Europe |
March.02.1992 |
Republic of San Marino |
| Sao Tome & Principe |
Africa |
September.16.1975 |
Democratic Republic of São Tomé & Príncipe |
| Saudi Arabia |
Asia |
October.24.1945 |
Kingdom of Saudi Arabia |
| Senegal |
Africa |
September.28.1960 |
Republic of Senegal |
| Serbia |
Europe |
November.01.2000 |
Republic of Serbia |
| Seychelles |
Africa |
September.21.1976 |
Republic of Seychelles |
| Sierra Leone |
Africa |
September.27.1961 |
Republic of Sierra Leone |
| Singapore |
Asia |
September.21.1965 |
Republic of Singapore |
| Slovakia |
Europe |
January.19.1993 |
Slovak Republic |
| Slovenia |
Europe |
May.22.1992 |
Republic of Slovenia |
| Solomon Islands |
Oceania |
September.19.1978 |
Solomon Islands |
| Somalia |
Africa |
September.20.1960 |
Federal Republic of Somalia |
| South Africa |
Africa |
November.07.1945 |
Republic of South Africa |
| South Korea |
Asia |
September.17.1991 |
Republic of Korea |
| Spain |
Europe |
December.14.1955 |
Kingdom of Spain |
| Sri Lanka |
Asia |
December.14.1955 |
Democratic Socialist Republic of Sri Lanka |
| Sudan |
Africa |
November.12.1956 |
Republic of the Sudan |
| Suriname |
South America |
December.04.1975 |
Republic of Suriname |
| Swaziland |
Africa |
September.24.1968 |
Kingdom of Swaziland |
| Sweden |
Europe |
November.19.1946 |
Kingdom of Sweden |
| Switzerland |
Europe |
September.10.2002 |
Swiss Confederation |
| Syria |
Asia |
October.24.1945 |
Syrian Arab Republic |
| Tajikistan |
Asia |
March.02.1992 |
Republic of Tajikistan |
| Tanzania |
Africa |
December.14.1961 |
United Republic of Tanzania |
| Thailand |
Asia |
December.16.1946 |
Kingdom of Thailand |
| Togo |
Africa |
September.20.1960 |
Togolese Republic |
| Tonga |
Oceania |
September.14.1999 |
Kingdom of Tonga |
| Trinidad & Tobago |
North America |
September.18.1962 |
Republic of Trinidad & Tobago |
| Tunisia |
Africa |
November.12.1956 |
Republic of Tunisia |
| Turkey |
Europe / Asia |
October.24.1945 |
Republic of Turkey |
| Turkmenistan |
Asia |
March.02.1992 |
Turkmenistan |
| Tuvalu |
Oceania |
September.05.2000 |
Tuvalu |
| Uganda |
Africa |
October.25.1962 |
Republic of Uganda |
| Ukraine |
Europe |
October.24.1945 |
Ukraine |
| United Arab Emirates |
Asia |
December.09.1971 |
United Arab Emirates |
| United Kingdom |
Europe |
October.24.1945 |
United Kingdom of Great Britain & Northern Ireland |
| United States |
North America |
October.24.1945 |
United States of America |
| Uruguay |
South America |
December.18.1945 |
Eastern Republic of Uruguay |
| Uzbekistan |
Asia |
March.02.1992 |
Republic of Uzbekistan |
| Vanuatu |
Oceania |
September.15.1981 |
Republic of Vanuatu |
| Venezuela |
South America |
November.15.1945 |
Bolivarian Republic of Venezuela |
| Vietnam |
Asia |
September.20.1977 |
Socialist Republic of Vietnam |
| Yemen |
Asia |
September.30.1947 |
Republic of Yemen |
| Zambia |
Africa |
December.01.1964 |
Republic of Zambia |
| Zimbabwe |
Africa |
August.25.1980 |
Republic of Zimbabwe |