| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| Afghanistan | 23-09-1957 | 23-09-1957 (R) | 23-09-1957 | |||
| Albania | 15-10-1991 | 15-10-1991 (R) | 15-10-1991 | |||
| Algeria | 23-09-1990 | 23-09-1990 (R) | 23-09-1990 | |||
| Angola | 19-09-1989 | 19-09-1989 (R) | 19-09-1989 | |||
| Antigua and Barbuda | 15-04-1987 | 15-04-1987 (R) | 15-04-1987 | |||
| Argentina | 13-10-1959 | 13-10-1959 (R) | 13-10-1959 | |||
| Armenia | 18-04-1995 | 18-04-1995 (R) | 18-04-1995 | |||
| Australia | 23-12-1955 | 23-12-1955 (R) | 20-07-1956 | |||
| Austria | 02-12-1955 | 28-09-1956 (R) | 28-09-1956 | |||
| Azerbaijan | 11-10-1995 | 11-10-1995 (R) | 11-10-1995 | |||
| Bahamas | 08-12-1986 | 08-12-1986 (R) | 08-12-1986 | |||
| Bahrain | 22-09-1995 | 22-09-1995 (R) | 22-09-1995 | |||
| Bangladesh | 18-06-1976 | 18-06-1976 (R) | 18-06-1976 | |||
| Barbados | 25-06-1980 | 25-06-1980 (R) | 25-06-1980 | |||
| Belarus | 02-11-1992 | 02-11-1992 (R) | 02-11-1992 | |||
| Belgium | 27-12-1956 | 27-12-1956 (R) | 27-12-1956 | |||
| Belize | 19-03-1982 | 19-03-1982 (R) | 19-03-1982 | |||
| Benin | 05-02-1987 | 05-02-1987 (R) | 05-02-1987 | |||
| Bhutan | 01-12-2003 | 01-12-2003 (R) | 01-12-2003 | |||
| Bolivia | 02-04-1956 | 02-04-1956 (R) | 20-07-1956 | |||
| Bosnia and Herzegovina | 25-02-1993 | 25-02-1993 (R) | 25-02-1993 | |||
| Botswana | 23-03-1979 | 23-03-1979 (R) | 23-03-1979 | |||
| Brazil | 27-01-1956 | 31-12-1956 (R) | 31-12-1956 | |||
| Bulgaria | 22-07-1991 | 22-07-1991 (R) | 22-07-1991 | |||
| Burkina Faso | 20-08-1975 | 20-08-1975 (R) | 20-08-1975 | |||
| Burundi | 28-11-1979 | 28-11-1979 (R) | 28-11-1979 | |||
| Cabo Verde | 02-05-1990 | 02-05-1990 (R) | 02-05-1990 | |||
| Cambodia | 26-03-1997 | 26-03-1997 (R) | 26-03-1997 | |||
| Cameroon | 01-10-1974 | 01-10-1974 (R) | 01-10-1974 | |||
| Canada | 25-10-1955 | 25-10-1955 (R) | 20-07-1956 | |||
| Central African Republic | 01-04-1991 | 01-04-1991 (R) | 01-04-1991 | |||
| Chad | 02-04-1998 | 02-04-1998 (R) | 02-04-1998 | |||
| Chile | 25-05-1955 | 15-04-1957 (R) | 15-04-1957 | |||
| China | 15-01-1969 | 15-01-1969 (R) | 15-01-1969 | |||
| Colombia | 25-05-1955 | 16-07-1956 (R) | 20-07-1956 | |||
| Comoros | 13-07-1992 | 13-07-1992 (R) | 13-07-1992 | |||
| Costa Rica | 25-05-1955 | 05-01-1956 (R) | 20-07-1956 | |||
| Côte d'Ivoire | 11-03-1963 | 11-03-1963 (R) | 11-03-1963 | |||
| Croatia | 25-02-1993 | 25-02-1993 (R) | 25-02-1993 | |||
| Cuba | 25-05-1955 | 06-09-1957 (R) | 06-09-1957 | 14-11-1960 | 14-11-1960 | |
| Cyprus | 02-03-1962 | 02-03-1962 (R) | 02-03-1962 | |||
| Czech Republic | 01-01-1993 | 01-01-1993 (R) | 01-01-1993 | |||
| Democratic Republic of the Congo | 15-04-1970 | 15-04-1970 (R) | 15-04-1970 | |||
| Denmark | 18-06-1956 | 18-06-1956 (R) | 20-07-1956 | |||
| Djibouti | 01-10-1980 | 01-10-1980 (R) | 01-10-1980 | |||
| Dominica | 29-09-1980 | 29-09-1980 (R) | 29-09-1980 | |||
| Dominican Republic | 25-05-1955 | 31-08-1961 (R) | 31-10-1961 | |||
| Ecuador | 01-06-1955 | 05-12-1955 (R) | 20-07-1956 | |||
| Egypt | 16-12-1955 | 16-12-1955 (R) | 20-07-1956 | |||
| El Salvador | 04-05-1956 | 04-05-1956 (R) | 20-07-1956 | |||
| Equatorial Guinea | 10-01-1992 | 10-01-1992 (R) | 10-01-1992 | |||
| Eritrea | 11-10-1995 | 11-10-1995 (R) | 11-10-1995 | |||
| Estonia | 09-08-1993 | 09-08-1993 (R) | 09-09-1993 | |||
| Eswatini | 22-09-1969 | 22-09-1969 (R) | 22-09-1969 | |||
| Ethiopia | 26-01-1956 | 26-01-1956 (R) | 20-07-1956 | |||
| Federated States of Micronesia | 24-06-1993 | 24-06-1993 (R) | 24-06-1993 | |||
| Fiji | 12-07-1979 | 12-07-1979 (R) | 12-07-1979 | |||
| Finland | 22-06-1956 | 22-06-1956 (R) | 20-07-1956 | |||
| France | 20-07-1956 | 20-07-1956 (R) | 20-07-1956 | |||
| Gabon | 20-10-1970 | 20-10-1970 (R) | 20-10-1970 | |||
| Gambia, The | 19-09-1983 | 19-09-1983 (R) | 19-09-1983 | |||
| Georgia | 29-06-1995 | 29-06-1995 (R) | 29-06-1995 | |||
| Germany | 20-07-1956 | 20-07-1956 (R) | 20-07-1956 | |||
| Ghana | 03-04-1958 | 03-04-1958 (R) | 03-04-1958 | |||
| Greece | 25-05-1955 | 26-09-1957 (R) | 26-09-1957 | |||
| Grenada | 28-08-1975 | 28-08-1975 (R) | 28-08-1975 | |||
| Guatemala | 25-05-1955 | 14-03-1956 (R) | 20-07-1956 | |||
| Guinea | 22-10-1982 | 22-10-1982 (R) | 22-10-1982 | |||
| Guinea-Bissau | 25-03-1977 | 25-03-1977 (R) | 25-03-1977 | |||
| Guyana | 04-01-1967 | 04-01-1967 (R) | 04-01-1967 | |||
| Haïti | 25-05-1955 | 09-03-1956 (R) | 20-07-1956 | |||
| Honduras | 25-05-1955 | 16-04-1956 (R) | 20-07-1956 | |||
| Hungary | 29-04-1985 | 29-04-1985 (R) | 29-04-1985 | |||
| Iceland | 18-08-1955 | 18-08-1955 (R) | 20-07-1956 | |||
| India | 19-10-1955 | 18-04-1956 (R) | 20-07-1956 | |||
| Indonesia | 23-04-1968 | 23-04-1968 (R) | 23-04-1968 | |||
| Iran | 28-12-1956 | 28-12-1956 (R) | 28-12-1956 | |||
| Iraq | 09-11-1956 | 27-12-1956 (R) | 27-12-1956 | |||
| Ireland | 11-09-1958 | 11-09-1958 (R) | 11-09-1958 | |||
| Israel | 26-09-1956 | 26-09-1956 (R) | 26-09-1956 | |||
| Italy | 27-12-1956 | 27-12-1956 (R) | 27-12-1956 | |||
| Jamaica | 31-03-1964 | 31-03-1964 (R) | 31-03-1964 | |||
| Japan | 15-06-1956 | 15-06-1956 (R) | 20-07-1956 | |||
| Jordan | 28-05-1956 | 28-05-1956 (R) | 20-07-1956 | |||
| Kazakhstan | 30-09-1993 | 30-09-1993 (R) | 30-09-1993 | |||
| Kenya | 03-02-1964 | 03-02-1964 (R) | 03-02-1964 | |||
| Kiribati | 02-10-1986 | 02-10-1986 (R) | 02-10-1986 | |||
| Kuwait | 13-09-1962 | 13-09-1962 (R) | 13-09-1962 | |||
| Kyrgyzstan | 11-02-1993 | 11-02-1993 (R) | 11-02-1993 | |||
| Laos | 29-01-1992 | 29-01-1992 (R) | 29-01-1992 | |||
| Latvia | 29-09-1993 | 29-09-1993 (R) | 29-09-1993 | |||
| Lebanon | 28-12-1956 | 28-12-1956 (R) | 28-12-1956 | |||
| Lesotho | 29-09-1972 | 29-09-1972 (R) | 29-09-1972 | |||
| Liberia | 28-03-1962 | 28-03-1962 (R) | 28-03-1962 | |||
| Libya | 18-09-1958 | 18-09-1958 (R) | 18-09-1958 | |||
| Lithuania | 15-01-1993 | 15-01-1993 (R) | 15-01-1993 | |||
| Luxembourg | 26-09-1956 | 04-10-1956 (R) | 04-10-1956 | |||
| Madagascar | 27-09-1963 | 27-09-1963 (R) | 27-09-1963 | |||
| Malawi | 19-07-1965 | 19-07-1965 (R) | 19-07-1965 | |||
| Malaysia | 20-03-1958 | 20-03-1958 (R) | 20-03-1958 | |||
| Maldives | 02-02-1983 | 02-02-1983 (R) | 02-02-1983 | |||
| Mali | 09-05-1978 | 09-05-1978 (R) | 09-05-1978 | |||
| Malta | 01-06-2005 | 01-06-2005 (R) | 01-06-2005 | |||
| Marshall Islands | 23-09-1992 | 23-09-1992 (R) | 23-09-1992 | |||
| Mauritania | 29-12-1967 | 29-12-1967 (R) | 29-12-1967 | |||
| Mauritius | 23-09-1968 | 23-09-1968 (R) | 23-09-1968 | |||
| Mexico | 25-05-1955 | 30-12-1955 (R) | 20-07-1956 | |||
| Moldova | 10-03-1995 | 10-03-1995 (R) | 10-03-1995 | |||
| Mongolia | 14-02-1991 | 14-02-1991 (R) | 14-02-1991 | |||
| Montenegro | 18-01-2007 | 18-01-2007 (R) | 18-01-2007 | |||
| Morocco | 30-08-1962 | 30-08-1962 (R) | 30-08-1962 | |||
| Mozambique | 24-09-1984 | 24-09-1984 (R) | 24-09-1984 | |||
| Myanmar | 03-12-1956 | 03-12-1956 (R) | 03-12-1956 | |||
| Namibia | 25-09-1990 | 25-09-1990 (R) | 25-09-1990 | |||
| Nepal | 07-01-1966 | 07-01-1966 (R) | 07-01-1966 | |||
| Netherlands, the Kingdom of the | 08-12-1955 | 28-12-1956 (R) | 28-12-1956 | |||
| New Zealand | 31-08-1961 | 31-08-1961 (R) | 31-08-1961 | |||
| Nicaragua | 25-05-1955 | 14-03-1956 (R) | 20-07-1956 | |||
| Niger | 07-01-1980 | 07-01-1980 (R) | 07-01-1980 | |||
| Nigeria | 30-03-1961 | 30-03-1961 (R) | 30-03-1961 | |||
| North Macedonia | 25-02-1993 | 25-02-1993 (R) | 25-02-1993 | |||
| Norway | 01-06-1956 | 11-06-1956 (R) | 20-07-1956 | |||
| Oman | 20-02-1973 | 20-02-1973 (R) | 20-02-1973 | |||
| Pakistan | 21-07-1955 | 18-05-1956 (R) | 20-07-1956 | |||
| Palau | 16-12-1997 | 16-12-1997 (R) | 16-12-1997 | |||
| Panama | 25-05-1955 | 27-02-1956 (R) | 20-07-1956 | |||
| Papua New Guinea | 09-10-1975 | 09-10-1975 (R) | 09-10-1975 | |||
| Paraguay | 25-05-1955 | 27-07-1956 (R) | 27-07-1956 | |||
| Peru | 25-05-1955 | 06-02-1956 (R) | 20-07-1956 | |||
| Philippines | 12-08-1957 | 12-08-1957 (R) | 12-08-1957 | |||
| Poland | 29-12-1987 | 29-12-1987 (R) | 29-12-1987 | |||
| Portugal | 08-07-1966 | 08-07-1966 (R) | 08-07-1966 | |||
| Republic of Korea, the | 16-03-1964 | 16-03-1964 (R) | 16-03-1964 | |||
| Republic of the Congo | 01-10-1980 | 01-10-1980 (R) | 01-10-1980 | |||
| Romania | 23-09-1990 | 23-09-1990 (R) | 23-09-1990 | |||
| Russian Federation | 12-04-1993 | 12-04-1993 (R) | 12-04-1993 | |||
| Rwanda | 06-11-1975 | 06-11-1975 (R) | 06-11-1975 | |||
| Saint Kitts and Nevis | 07-03-1996 | 07-03-1996 (R) | 07-03-1996 | |||
| Saint Lucia | 28-04-1982 | 28-04-1982 (R) | 28-04-1982 | |||
| Samoa | 28-06-1974 | 28-06-1974 (R) | 28-06-1974 | |||
| Saudi Arabia | 18-09-1962 | 18-09-1962 (R) | 18-09-1962 | |||
| Senegal | 31-08-1962 | 31-08-1962 (R) | 31-08-1962 | |||
| Serbia | 25-02-1993 | 25-02-1993 (R) | 25-02-1993 | |||
| Seychelles | 11-06-1981 | 11-06-1981 (R) | 11-06-1981 | |||
| Sierra Leone | 10-09-1962 | 10-09-1962 (R) | 10-09-1962 | |||
| Singapore | 04-09-1968 | 04-09-1968 (R) | 04-09-1968 | |||
| Slovakia | 01-01-1993 | 01-01-1993 (R) | 01-01-1993 | |||
| Slovenia | 25-02-1993 | 25-02-1993 (R) | 25-02-1993 | |||
| Solomon Islands | 21-07-1980 | 21-07-1980 (R) | 21-07-1980 | |||
| Somalia | 31-08-1962 | 31-08-1962 (R) | 31-08-1962 | |||
| South Africa | 26-03-1957 | 03-04-1957 (R) | 03-04-1957 | |||
| Spain | 24-03-1960 | 24-03-1960 (R) | 24-03-1960 | |||
| Sri Lanka | 27-02-1956 | 27-02-1956 (R) | 20-07-1956 | |||
| Sudan | 21-10-1960 | 21-10-1960 (R) | 21-10-1960 | |||
| Sweden | 06-06-1956 | 06-06-1956 (R) | 20-07-1956 | |||
| Switzerland | 29-05-1992 | 29-05-1992 (R) | 29-05-1992 | |||
| Syria | 28-06-1962 | 28-06-1962 (R) | 28-06-1962 | |||
| Tajikistan | 02-12-1994 | 02-12-1994 (R) | 02-12-1994 | |||
| Tanzania | 10-09-1962 | 10-09-1962 (R) | 10-09-1962 | |||
| Thailand | 03-12-1956 | 03-12-1956 (R) | 03-12-1956 | |||
| Timor-Leste | 02-10-2004 | 02-10-2004 (R) | 02-10-2004 | |||
| Togo | 04-09-1962 | 04-09-1962 (R) | 04-09-1962 | |||
| Tonga | 23-10-1985 | 23-10-1985 (R) | 23-10-1985 | |||
| Trinidad and Tobago | 10-06-1971 | 10-06-1971 (R) | 10-06-1971 | |||
| Tunisia | 25-07-1962 | 25-07-1962 (R) | 25-07-1962 | |||
| Türkiye | 19-12-1956 | 19-12-1956 (R) | 19-12-1956 | |||
| Turkmenistan | 29-05-1997 | 29-05-1997 (R) | 29-05-1997 | |||
| Uganda | 27-09-1963 | 27-09-1963 (R) | 27-09-1963 | |||
| Ukraine | 18-10-1993 | 18-10-1993 (R) | 18-10-1993 | |||
| United Arab Emirates | 30-09-1977 | 30-09-1977 (R) | 30-09-1977 | |||
| United Kingdom | 25-10-1955 | 03-01-1956 (R) | 20-07-1956 | |||
| United States of America | 05-12-1955 | 05-12-1955 (R) | 20-07-1956 | |||
| Uruguay | 28-09-1956 | 22-08-1968 (R) | 22-08-1968 | |||
| Uzbekistan | 30-09-1993 | 30-09-1993 (R) | 30-09-1993 | |||
| Vanuatu | 28-09-1981 | 28-09-1981 (R) | 28-09-1981 | |||
| Venezuela | 28-12-1956 | 28-12-1956 (R) | 28-12-1956 | |||
| Vietnam | 04-08-1967 | 04-08-1967 (R) | 04-08-1967 | |||
| Yemen | 22-05-1970 | 22-05-1970 (R) | 22-05-1970 | |||
| Zambia | 23-09-1965 | 23-09-1965 (R) | 23-09-1965 | |||
| Zimbabwe | 29-09-1980 | 29-09-1980 (R) | 29-09-1980 |