| 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 |
|---|---|---|---|---|---|---|
| Algeria | 31-10-1963 (A) | 30-04-1964 | ||||
| Australia | 21-06-1951 | |||||
| Austria | 21-06-1951 | |||||
| Bahamas | 10-07-1973 | |||||
| Belgium | 13-10-1952 | |||||
| Benin | 04-04-1962 (Su) | 01-08-1960 | ||||
| Cameroon | 03-11-1961 (Su) | 01-01-1960 | ||||
| Canada | 21-06-1951 | |||||
| Central African Republic | 04-09-1962 (Su) | 13-08-1960 | ||||
| Chile | 21-06-1951 | |||||
| China | 21-06-1951 | |||||
| Côte d'Ivoire | 08-12-1961 (Su) | 07-08-1960 | ||||
| Cuba | 04-08-1965 | |||||
| Cyprus | 16-05-1963 (Su) | 16-08-1960 | ||||
| Czech Republic | 30-12-1993 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 21-06-1951 | |||||
| Denmark | 21-06-1951 | |||||
| Egypt | 21-06-1951 | |||||
| Fiji | 10-10-1970 | |||||
| Finland | 21-06-1951 | |||||
| France | 21-06-1951 | |||||
| Germany | 29-05-1973 | |||||
| Ghana | 07-04-1958 (Su) | 06-03-1957 | ||||
| India | 21-06-1951 | |||||
| Iran | 30-12-1959 | |||||
| Iraq | 21-06-1951 | |||||
| Ireland | 19-07-1961 | |||||
| Italy | 13-11-1952 | |||||
| Jamaica | 30-07-1964 (Su) | 06-08-1962 | ||||
| Luxembourg | 14-03-1955 | |||||
| Madagascar | 09-10-1963 (Su) | 26-06-1960 | ||||
| Malawi | 10-06-1965 (A) | 10-12-1965 | ||||
| Mali | 02-02-1973 (Su) | 22-09-1960 | ||||
| Malta | 24-03-1967 (Su) | 21-09-1964 | ||||
| Mauritius | 18-07-1969 (Su) | 12-03-1968 | ||||
| Mexico | 21-02-1956 (A) | 21-08-1956 | ||||
| Montenegro | 23-10-2006 (Su) | 03-06-2006 | ||||
| Morocco | 07-11-1956 (Su) | 02-03-1956 | ||||
| Netherlands, the Kingdom of the | 21-06-1951 | |||||
| Niger | 25-08-1961 (Su) | 03-08-1960 | ||||
| Nigeria | 26-06-1961 (Su) | 01-10-1960 | ||||
| Norway | 21-06-1951 | |||||
| Pakistan | 16-06-1952 | |||||
| Republic of the Congo | 15-10-1962 (Su) | 15-08-1960 | ||||
| Senegal | 02-05-1963 (Su) | 20-08-1960 | ||||
| Serbia | 12-03-2001 (Su) | 27-04-1992 | ||||
| Sierra Leone | 13-03-1962 (Su) | 27-04-1961 | ||||
| Singapore | 07-06-1966 (Su) | 09-08-1965 | ||||
| Slovakia | 28-05-1993 (Su) | 01-01-1993 | ||||
| South Africa | 14-08-1951 | |||||
| Sri Lanka | 21-06-1951 | |||||
| Sweden | 25-02-1952 | |||||
| Switzerland | 21-06-1951 | |||||
| Tanzania | 18-03-1963 (A) | 18-09-1963 | ||||
| Trinidad and Tobago | 11-04-1966 (Su) | 31-08-1962 | ||||
| Türkiye | 21-06-1951 | |||||
| United Kingdom | 21-06-1951 | |||||
| United States of America | 21-06-1951 | |||||
| Yugoslavia (< 25-06-1991) | 21-06-1951 | |||||
| Zambia | 26-03-1973 (Su) | 01-01-1964 |
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