| 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 |
|---|---|---|---|---|---|---|
| Argentina | 19-04-1961 (A) | 19-10-1961 | ||||
| Belgium | 10-05-1952 | 10-04-1961 (R) | 10-10-1961 | |||
| Benin | 23-04-1958 (A) | 23-10-1958 | ||||
| Brazil | 10-05-1952 | |||||
| Burkina Faso | 23-04-1958 (A) | 23-10-1958 | ||||
| Cambodia | 12-11-1956 (A) | 12-05-1957 | ||||
| Cameroon | 23-04-1958 (A) | 23-10-1958 | ||||
| Central African Republic | 23-04-1958 (A) | 23-10-1958 | ||||
| Chad | 23-04-1958 (A) | 23-10-1958 | ||||
| China | ||||||
| Comoros | 23-04-1958 (A) | 23-10-1968 | ||||
| Costa Rica | 13-07-1955 (A) | 13-01-1956 | ||||
| Côte d'Ivoire | 23-04-1958 (A) | 23-10-1958 | ||||
| Croatia | 30-07-1992 (Su) | 08-10-1991 | ||||
| Cyprus | 17-03-1994 (A) | 17-09-1994 | ||||
| Democratic Republic of the Congo | 17-07-1967 (A) | 17-01-1968 | ||||
| Denmark | 10-05-1952 | |||||
| Djibouti | 23-04-1958 (A) | 23-10-1958 | ||||
| Egypt | 06-01-1955 | 24-08-1955 (R) | 24-02-1956 | |||
| Fiji | 22-08-1972 (Su) | 10-10-1970 | ||||
| France | 10-05-1952 | 20-05-1955 (R) | 20-11-1955 | |||
| Gabon | 23-04-1958 (A) | 23-10-1958 | ||||
| Germany | 10-05-1952 | 06-10-1972 (R) | 06-04-1973 | |||
| Greece | 10-05-1952 | 15-03-1965 (R) | 15-09-1965 | |||
| Guinea | 23-04-1958 (A) | 23-10-1958 | ||||
| Guyana | 29-03-1963 (A) | 29-09-1963 | ||||
| Haïti | 17-09-1954 (R) | 20-11-1955 | ||||
| Holy See | 04-02-1954 | 10-08-1956 (R) | 10-02-1957 | |||
| Italy | 10-05-1952 | 09-11-1979 (R) | 09-05-1980 | |||
| Lebanon | 10-05-1952 | 19-07-1975 (R) | 23-01-1976 | |||
| Luxembourg | 18-02-1991 (A) | 18-08-1991 | ||||
| Madagascar | 23-04-1958 (A) | 23-10-1958 | ||||
| Mali | 23-04-1958 (A) | 23-10-1958 | ||||
| Mauritania | 23-04-1958 (A) | 23-10-1958 | ||||
| Mauritius | 29-03-1963 (A) | 29-09-1963 | ||||
| Monaco | 10-05-1952 | |||||
| Morocco | 11-07-1990 (A) | 11-01-1991 | ||||
| Myanmar | 08-07-1953 (A) | 20-11-1955 | ||||
| Netherlands, the Kingdom of the | 08-12-1970 | 25-06-1971 (R) | 27-12-1971 | |||
| Nicaragua | 10-05-1952 | |||||
| Niger | 23-04-1958 (A) | 23-10-1958 | ||||
| Nigeria | 07-11-1963 (A) | 07-05-1964 | ||||
| Paraguay | 22-11-1967 (A) | 22-05-1968 | ||||
| Portugal | 16-10-1956 | 04-05-1957 (R) | 04-11-1957 | |||
| Republic of the Congo | 23-04-1958 (A) | 23-10-1958 | ||||
| Romania | 28-11-1995 (A) | 28-05-1996 | ||||
| Senegal | 23-04-1958 (A) | 23-10-1958 | ||||
| Seychelles | 29-03-1963 (A) | 29-09-1963 | ||||
| Slovenia | 13-10-1993 (Su) | 25-06-1991 | ||||
| Solomon Islands | 17-09-1981 (Su) | 07-07-1978 | ||||
| Spain | 10-05-1952 | 08-12-1953 (R) | 20-11-1955 | |||
| Switzerland | 28-05-1954 (A) | 20-11-1955 | ||||
| Syria | 10-07-1972 (A) | 10-01-1973 | ||||
| Togo | 23-04-1958 (A) | 23-10-1958 | ||||
| Tonga | 13-06-1978 (A) | 13-12-1978 | ||||
| United Kingdom | 10-05-1952 | 18-03-1959 (R) | 18-09-1959 | |||
| Vietnam | 26-11-1955 (A) | 26-05-1956 | ||||
| Yugoslavia (< 25-06-1991) | 10-05-1952 | 21-04-1956 (R) | 21-10-1956 |
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