| 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 | 20-02-1969 (A) | 21-05-1969 | ||||
| Algeria | 02-06-1964 (A) | 31-08-1964 | ||||
| Angola | 10-03-1998 (A) | 08-06-1998 | ||||
| Argentina | 12-06-1969 (A) | 10-09-1969 | ||||
| Australia | 12-07-1956 | 23-06-1959 (R) | 01-08-1963 | |||
| Austria | 26-03-1971 (A) | 24-06-1971 | ||||
| Azerbaijan | 24-01-2000 (A) | 23-04-2000 | ||||
| Bahamas | 23-05-1975 (Su) | 10-07-1973 | ||||
| Bahrain | 12-03-1998 (A) | 10-06-1998 | ||||
| Bangladesh | 01-03-1979 (Su) | 26-03-1971 | ||||
| Belarus | 09-04-1960 | 07-01-1961 (R) | 01-08-1963 | |||
| Belgium | 28-09-1955 | 27-08-1963 (R) | 25-11-1963 | |||
| Benin | 27-01-1962 (Su) | 01-08-1963 | ||||
| Bosnia and Herzegovina | 03-03-1995 (Su) | 06-03-1992 | ||||
| Brazil | 28-09-1955 | 16-06-1964 (R) | 14-09-1964 | |||
| Bulgaria | 14-12-1963 (A) | 13-03-1964 | ||||
| Cabo Verde | 07-02-2002 (A) | 08-05-2002 | ||||
| Cambodia | 12-12-1996 (A) | 12-03-1997 | ||||
| Cameroon | 02-09-1961 (Su) | 01-08-1963 | ||||
| Canada | 16-08-1956 | 18-04-1964 (R) | 17-07-1964 | |||
| Chile | 02-03-1979 (A) | 31-05-1979 | ||||
| China | 20-08-1975 (A) | 18-11-1975 | ||||
| Colombia | 15-08-1966 (A) | 13-11-1966 | ||||
| Costa Rica | 10-05-1984 (A) | 08-08-1984 | ||||
| Côte d'Ivoire | 22-02-1962 (Su) | 01-08-1963 | ||||
| Croatia | 14-07-1993 (Su) | 08-10-1991 | ||||
| Cuba | 30-08-1965 (A) | 28-11-1965 | ||||
| Cyprus | 23-07-1970 (A) | 21-10-1970 | ||||
| Czech Republic | 29-11-1994 (Su) | 01-01-1993 | ||||
| Democratic People's Republic of Korea | 04-11-1980 (A) | 02-02-1981 | ||||
| Denmark | 16-03-1957 | 03-05-1963 (R) | 01-08-1963 | |||
| Dominican Republic | 25-02-1972 (A) | 25-05-1972 | ||||
| Ecuador | 01-12-1969 (A) | 01-03-1970 | ||||
| Egypt | 28-09-1955 | 26-04-1956 (R) | 01-08-1963 | |||
| El Salvador | 28-09-1955 | 17-09-1956 (R) | 01-08-1963 | |||
| Estonia | 16-03-1998 (A) | 14-06-1998 | ||||
| Eswatini | 20-07-1971 (A) | 18-10-1971 | ||||
| Fiji | 15-03-1972 (Su) | 10-10-1970 | ||||
| Finland | 25-05-1977 (A) | 23-08-1977 | ||||
| France | 28-09-1955 | 19-05-1959 (R) | 01-08-1963 | |||
| Gabon | 15-02-1969 (A) | 16-05-1969 | ||||
| Germany | 28-09-1955 | 27-10-1960 (R) | 01-08-1963 | |||
| Ghana | 11-08-1997 (A) | 09-11-1997 | ||||
| Greece | 28-09-1955 | 23-06-1965 (R) | 21-09-1965 | |||
| Grenada | 15-08-1985 (A) | 13-11-1985 | ||||
| Guatemala | 28-07-1971 (A) | 26-10-1971 | ||||
| Guinea | 09-10-1990 (A) | 07-01-1991 | ||||
| Hungary | 28-09-1955 | 04-10-1957 (R) | 01-08-1963 | |||
| Iceland | 03-05-1963 | 03-05-1963 (R) | 01-08-1963 | |||
| India | 14-02-1973 (A) | 15-05-1973 | ||||
| Iran | 08-07-1975 (A) | 06-10-1975 | ||||
| Iraq | 28-06-1972 (A) | 26-09-1972 | ||||
| Ireland | 28-09-1955 | 12-10-1959 (R) | 01-08-1963 | |||
| Israel | 28-09-1955 | 05-08-1964 (R) | 03-11-1964 | |||
| Italy | 28-09-1955 | 04-05-1963 (R) | 02-08-1963 | |||
| Japan | 02-05-1956 | 10-08-1967 (R) | 08-11-1967 | |||
| Jordan | 15-11-1973 (A) | 13-02-1974 | ||||
| Kazakhstan | 30-08-2002 (A) | 28-11-2002 | ||||
| Kenya | 06-07-1999 (A) | 04-10-1999 | ||||
| Kuwait | 11-08-1975 (A) | 09-11-1975 | ||||
| Kyrgyzstan | 09-02-2000 (A) | 09-05-2000 | ||||
| Laos | 28-09-1955 | 09-05-1956 (R) | 01-08-1963 | |||
| Latvia | 02-10-1998 (A) | 31-12-1998 | ||||
| Lebanon | 10-05-1978 (A) | 08-08-1978 | ||||
| Lesotho | 17-10-1975 (A) | 15-01-1976 | ||||
| Libya | 16-05-1969 (A) | 14-08-1969 | ||||
| Liechtenstein | 28-09-1955 | 03-01-1966 (R) | 03-04-1966 | |||
| Lithuania | 21-11-1996 (A) | 19-02-1997 | ||||
| Luxembourg | 28-09-1955 | 13-02-1957 (R) | 01-08-1963 | |||
| Madagascar | 27-08-1962 (Su) | 01-08-1963 | ||||
| Malawi | 09-06-1971 (A) | 07-09-1971 | ||||
| Malaysia | 20-09-1974 (A) | 19-12-1974 | ||||
| Maldives | 13-10-1995 (A) | 11-01-1996 | ||||
| Mali | 16-08-1962 | 30-12-1963 (R) | 29-03-1964 | |||
| Mauritius | 17-10-1989 (A) | 15-01-1990 | ||||
| Mexico | 28-09-1955 | 24-05-1957 (R) | 01-08-1963 | |||
| Moldova | 20-03-1997 (A) | 19-06-1997 | ||||
| Monaco | 09-04-1979 (A) | 08-07-1979 | ||||
| Montenegro | 01-04-2008 (Su) | 03-06-2006 | ||||
| Morocco | 31-05-1963 | 17-11-1975 (R) | 15-02-1976 | |||
| Nauru | 16-11-1970 (Su) | 31-01-1968 | ||||
| Nepal | 12-02-1966 (A) | 13-05-1966 | ||||
| Netherlands, the Kingdom of the | 28-09-1955 | 21-09-1960 (R) | 01-08-1963 | |||
| New Zealand | 19-03-1958 | 16-03-1967 (R) | 14-06-1967 | |||
| Niger | 08-03-1962 (Su) | 01-08-1963 | ||||
| Nigeria | 01-07-1969 (A) | 29-09-1969 | ||||
| North Macedonia | 01-09-1994 (Su) | 17-09-1991 | ||||
| Norway | 28-09-1955 | 03-05-1963 (R) | 01-08-1963 | |||
| Oman | 04-08-1987 (A) | 02-11-1987 | ||||
| Pakistan | 08-08-1960 | 16-01-1961 (R) | 01-08-1963 | |||
| Panama | 12-11-1996 (A) | 10-01-1997 | ||||
| Papua New Guinea | 12-12-1975 (Su) | 16-09-1975 | ||||
| Paraguay | 28-08-1969 (A) | 26-11-1969 | ||||
| Peru | 05-07-1988 (A) | 03-10-1988 | ||||
| Philippines | 28-09-1955 | 30-11-1966 (R) | 28-02-1967 | |||
| Poland | 28-09-1955 | 23-04-1956 (R) | 01-08-1963 | |||
| Portugal | 28-09-1955 | 16-09-1963 (R) | 15-12-1963 | |||
| Qatar | 22-12-1986 (A) | 22-03-1987 | ||||
| Republic of Korea, the | 13-07-1967 (A) | 11-10-1967 | ||||
| Republic of the Congo | 19-01-1962 (Su) | 01-08-1963 | ||||
| Romania | 28-09-1955 | 03-12-1958 (R) | 01-08-1963 | |||
| Russian Federation | 28-09-1955 | 25-03-1957 (R) | 01-08-1963 | |||
| Rwanda | 27-12-1990 (A) | 27-03-1991 | ||||
| Saint Vincent and the Grenadines | 03-12-2001 (A) | 03-03-2002 | ||||
| Samoa | 16-10-1972 (A) | 14-01-1973 | ||||
| Saudi Arabia | 27-01-1969 (A) | 27-04-1969 | ||||
| Senegal | 19-06-1964 (A) | 17-09-1964 | ||||
| Serbia | 18-07-2001 (Su) | 27-04-1992 | ||||
| Seychelles | 24-06-1980 (A) | 22-09-1980 | ||||
| Singapore | 06-11-1967 (A) | 04-02-1968 | ||||
| Slovakia | 24-03-1995 (Su) | 01-01-1993 | ||||
| Slovenia | 07-08-1998 (Su) | 25-06-1991 | ||||
| Solomon Islands | 09-09-1981 (Su) | 07-07-1978 | ||||
| South Africa | 18-09-1967 (A) | 17-12-1967 | ||||
| Spain | 06-12-1965 (A) | 06-03-1966 | ||||
| Sri Lanka | 21-02-1997 (A) | 22-05-1997 | ||||
| Sudan | 11-02-1975 (A) | 12-05-1975 | ||||
| Suriname | 19-10-2004 (A) | 17-01-2005 | ||||
| Sweden | 28-09-1955 | 03-05-1963 (R) | 01-08-1963 | |||
| Switzerland | 28-09-1955 | 19-10-1962 (R) | 01-08-1963 | |||
| Syria | 03-06-1964 (Su) | 01-08-1963 | ||||
| Togo | 02-07-1980 (A) | 30-09-1980 | ||||
| Tonga | 21-02-1977 (A) | 22-05-1977 | ||||
| Trinidad and Tobago | 10-05-1983 (A) | 08-08-1983 | ||||
| Tunisia | 15-11-1963 (A) | 13-02-1964 | ||||
| Türkiye | 25-03-1978 (A) | 23-06-1978 | ||||
| Ukraine | 15-01-1960 | 23-06-1960 (R) | 01-08-1963 | |||
| United Arab Emirates | 18-10-1993 (A) | 16-01-1994 | ||||
| United Kingdom | 23-03-1956 | 03-03-1967 (R) | 01-06-1967 | |||
| United States of America | 28-06-1956 | 15-09-2003 (R) | 14-12-2003 | |||
| Uzbekistan | 27-02-1997 (A) | 28-05-1997 | ||||
| Vanuatu | 26-10-1981 (A) | 24-01-1982 | ||||
| Venezuela | 28-09-1955 | 26-08-1960 (R) | 01-08-1963 | |||
| Vietnam | 11-10-1982 (A) | 09-01-1983 | ||||
| Yemen | 06-05-1982 (A) | 04-08-1982 | ||||
| Yugoslavia (< 25-06-1991) | 03-12-1958 | 16-04-1959 (R) | 01-08-1963 | |||
| Zambia | 25-03-1970 (A) | 23-06-1970 | ||||
| Zimbabwe | 27-10-1980 (A) | 25-01-1981 |
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