| Contracting Party | Signature | Instrument | In Force | Details |
|---|
| Afghanistan | | | November 19, 1946 | |
| Albania | | | December 14, 1955 | |
| Algeria | | | October 8, 1962 | |
| Andorra | | | July 28, 1993 | |
| Angola | | | December 1, 1976 | |
| Antigua and Barbuda | | | November 11, 1981 | |
| Argentina | | | October 24, 1945 | |
| Armenia | | | March 2, 1992 | |
| Australia | | | November 1, 1945 | |
| Austria | | | December 14, 1955 | |
| Azerbaijan | | | March 2, 1992 | |
| Bahamas | | | September 18, 1973 | |
| Bahrain | | | September 21, 1971 | |
| Bangladesh | | | September 17, 1974 | |
| Barbados | | | December 9, 1966 | |
| Belarus | | | October 24, 1945 | Details |
| Belgium | | | December 27, 1945 | |
| Belize | | | September 25, 1981 | |
| Benin | | | September 20, 1960 | |
| Bhutan | | | September 21, 1971 | |
| Bolivia (Plurinational State of) | | | November 14, 1945 | |
| Bosnia and Herzegovina | | | May 22, 1992 | Details |
| Botswana | | | October 17, 1966 | |
| Brazil | | | October 24, 1945 | |
| Brunei Darussalam | | | September 21, 1984 | |
| Bulgaria | | | December 14, 1955 | |
| Burkina Faso | | | September 20, 1960 | |
| Burundi | | | September 18, 1962 | |
| Cambodia | | | December 14, 1955 | |
| Cameroon | | | September 20, 1960 | |
| Canada | | | November 9, 1945 | |
| Cape Verde | | | September 16, 1975 | |
| Central African Republic | | | September 20, 1960 | |
| Chad | | | September 20, 1960 | |
| Chile | | | October 24, 1945 | |
| China | | | October 24, 1945 | |
| Colombia | | | November 5, 1945 | |
| Comoros | | | November 12, 1975 | |
| Congo | | | September 20, 1960 | |
| Costa Rica | | | November 2, 1945 | |
| Côte d'Ivoire | | | September 20, 1960 | |
| Croatia | | | May 22, 1992 | Details |
| Cuba | | | October 24, 1945 | |
| Cyprus | | | September 20, 1960 | |
| Czech Republic | | | January 19, 1993 | Details |
| Democratic People's Republic of Korea | | | September 17, 1991 | |
| Democratic Republic of the Congo | | | September 20, 1960 | Details |
| Denmark | | | October 24, 1945 | |
| Djibouti | | | September 20, 1977 | |
| Dominica | | | December 18, 1978 | |
| Dominican Republic | | | October 24, 1945 | |
| Ecuador | | | December 21, 1945 | |
| Egypt | | | October 24, 1945 | Details |
| El Salvador | | | October 24, 1945 | |
| Equatorial Guinea | | | November 12, 1968 | |
| Eritrea | | | May 28, 1993 | |
| Estonia | | | September 17, 1991 | |
| Ethiopia | | | November 13, 1945 | |
| Fiji | | | October 13, 1970 | |
| Finland | | | December 14, 1955 | |
| France | | | October 24, 1945 | |
| Gabon | | | September 20, 1960 | |
| Gambia | | | September 21, 1965 | |
| Georgia | | | July 31, 1992 | |
| Germany | | | September 18, 1973 | Details |
| Ghana | | | March 8, 1957 | |
| Greece | | | October 25, 1945 | |
| Grenada | | | September 17, 1974 | |
| Guatemala | | | November 21, 1945 | |
| Guinea | | | December 12, 1958 | |
| Guinea-Bissau | | | September 17, 1974 | |
| Guyana | | | September 20, 1966 | |
| Haiti | | | October 24, 1945 | |
| Honduras | | | December 17, 1945 | |
| Hungary | | | December 14, 1955 | |
| Iceland | | | November 19, 1946 | |
| India | | | October 30, 1945 | |
| Indonesia | | | September 28, 1950 | Details |
| Iran (Islamic Republic of) | | | October 24, 1945 | |
| Iraq | | | December 21, 1945 | |
| Ireland | | | December 14, 1955 | |
| Israel | | | May 11, 1949 | |
| Italy | | | December 14, 1955 | |
| Jamaica | | | September 18, 1962 | |
| Japan | | | December 18, 1956 | |
| Jordan | | | December 14, 1955 | |
| Kazakhstan | | | March 2, 1992 | |
| Kenya | | | December 16, 1963 | |
| Kiribati | | | September 14, 1999 | |
| Kuwait | | | May 14, 1963 | |
| Kyrgyzstan | | | March 2, 1992 | |
| Lao People's Democratic Republic | | | December 14, 1955 | |
| Latvia | | | September 17, 1991 | |
| Lebanon | | | October 24, 1945 | |
| Lesotho | | | October 17, 1966 | |
| Liberia | | | November 2, 1945 | |
| Libya | | | December 14, 1955 | |
| Liechtenstein | | | September 18, 1990 | |
| Lithuania | | | September 17, 1991 | |
| Luxembourg | | | October 24, 1945 | |
| Madagascar | | | September 20, 1960 | |
| Malawi | | | December 1, 1964 | |
| Malaysia | | | September 17, 1957 | Details |
| Maldives | | | September 21, 1965 | |
| Mali | | | September 28, 1960 | |
| Malta | | | December 1, 1964 | |
| Marshall Islands | | | September 17, 1991 | |
| Mauritania | | | October 27, 1961 | |
| Mauritius | | | April 24, 1968 | |
| Mexico | | | November 7, 1945 | |
| Micronesia (Federated States of) | | | September 17, 1991 | |
| Monaco | | | May 28, 1993 | |
| Mongolia | | | October 27, 1961 | |
| Montenegro | | | June 28, 2006 | Details |
| Morocco | | | November 12, 1956 | |
| Mozambique | | | September 16, 1975 | |
| Myanmar | | | April 19, 1948 | |
| Namibia | | | April 23, 1990 | |
| Nauru | | | September 14, 1999 | |
| Nepal | | | December 14, 1955 | |
| Netherlands | | | December 10, 1945 | |
| New Zealand | | | October 24, 1945 | |
| Nicaragua | | | October 24, 1945 | |
| Niger | | | September 20, 1960 | |
| Nigeria | | | October 7, 1960 | |
| Norway | | | November 27, 1945 | |
| Oman | | | October 7, 1971 | |
| Pakistan | | | September 30, 1947 | |
| Palau | | | December 15, 1994 | |
| Panama | | | November 13, 1945 | |
| Papua New Guinea | | | October 10, 1975 | |
| Paraguay | | | October 24, 1945 | |
| Peru | | | October 31, 1945 | |
| Philippines | | | October 24, 1945 | |
| Poland | | | October 24, 1945 | |
| Portugal | | | December 14, 1955 | |
| Qatar | | | September 21, 1971 | |
| Republic of Korea | | | September 17, 1991 | |
| Republic of Moldova | | | March 2, 1992 | |
| Romania | | | December 14, 1955 | |
| Russian Federation | | | October 24, 1945 | Details |
| Rwanda | | | September 18, 1962 | |
| Saint Kitts and Nevis | | | September 23, 1983 | |
| Saint Lucia | | | September 18, 1979 | |
| Saint Vincent and the Grenadines | | | September 16, 1980 | |
| Samoa | | | December 15, 1976 | |
| San Marino | | | March 2, 1992 | |
| Sao Tome and Principe | | | September 16, 1975 | |
| Saudi Arabia | | | October 24, 1945 | |
| Senegal | | | September 28, 1960 | |
| Serbia | | | November 1, 2000 | Details |
| Seychelles | | | September 21, 1976 | |
| Sierra Leone | | | September 27, 1961 | |
| Singapore | | | September 21, 1965 | Details |
| Slovakia | | | January 19, 1993 | Details |
| Slovenia | | | May 22, 1992 | Details |
| Solomon Islands | | | September 19, 1978 | |
| Somalia | | | September 20, 1960 | |
| South Africa | | | November 7, 1945 | |
| South Sudan | | | July 14, 2011 | |
| Spain | | | December 14, 1955 | |
| Sri Lanka | | | December 14, 1955 | |
| Sudan | | | November 12, 1956 | |
| Suriname | | | December 4, 1975 | |
| Swaziland | | | September 24, 1968 | |
| Sweden | | | November 19, 1946 | |
| Switzerland | | | September 10, 2002 | |
| Syrian Arab Republic | | | October 24, 1945 | Details |
| Tajikistan | | | March 2, 1992 | |
| Thailand | | | December 16, 1946 | |
| the former Yugoslav Republic of Macedonia | | | April 8, 1993 | Details |
| Timor-Leste | | | September 27, 2002 | |
| Togo | | | September 20, 1960 | |
| Tonga | | | September 14, 1999 | |
| Trinidad and Tobago | | | September 18, 1962 | |
| Tunisia | | | November 12, 1956 | |
| Turkey | | | October 24, 1945 | |
| Turkmenistan | | | March 2, 1992 | |
| Tuvalu | | | September 5, 2000 | |
| Uganda | | | October 25, 1962 | |
| Ukraine | | | October 24, 1945 | |
| United Arab Emirates | | | December 9, 1971 | |
| United Kingdom | | | October 24, 1945 | |
| United Republic of Tanzania | | | December 14, 1961 | Details |
| United States of America | | | October 24, 1945 | |
| Uruguay | | | December 18, 1945 | |
| Uzbekistan | | | March 2, 1992 | |
| Vanuatu | | | September 15, 1981 | |
| Venezuela (Bolivarian Republic of) | | | November 15, 1945 | |
| Viet Nam | | | September 20, 1977 | |
| Yemen | | | September 30, 1947 | Details |
| Zambia | | | December 1, 1964 | |
| Zimbabwe | | | August 25, 1980 | |
