| 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 |
|---|---|---|---|---|---|---|
| Andorra | 31-12-1952 | 22-01-1953 (R) | 16-09-1955 | |||
| Argentina | 06-09-1952 | 13-11-1957 (R) | 13-02-1958 | |||
| Australia | 06-09-1952 | 24-07-1969 (R) | 24-07-1969 | |||
| Austria | 06-09-1952 | 02-04-1957 (R) | 02-07-1957 | |||
| Belgium | 30-12-1952 | 31-05-1960 (R) | 31-08-1960 | |||
| Bolivia | 22-12-1989 (A) | 22-03-1990 | ||||
| Bosnia and Herzegovina | 12-07-1993 (Su) | 06-03-1992 | ||||
| Brazil | 06-09-1952 | 13-10-1959 (R) | 13-01-1960 | |||
| Cambodia | 03-08-1953 (A) | 16-09-1955 | ||||
| Canada | 06-09-1952 | |||||
| Chile | 06-09-1952 | 18-01-1955 (R) | 16-09-1955 | |||
| Costa Rica | 07-12-1954 (A) | 16-09-1955 | ||||
| Cuba | 06-09-1952 | 18-03-1957 (R) | 18-06-1957 | |||
| Czech Republic | 26-03-1993 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 06-10-1959 (A) | 06-01-1960 | ||||
| Denmark | 06-09-1952 | 09-11-1961 (R) | 09-02-1962 | |||
| Ecuador | 05-03-1957 (A) | 05-06-1957 | ||||
| El Salvador | 06-09-1952 | |||||
| Finland | 06-09-1952 | 16-01-1963 (R) | 16-04-1963 | |||
| France | 06-09-1952 | 14-10-1955 (R) | 14-01-1956 | |||
| Germany | 06-09-1952 | 03-06-1955 (R) | 16-09-1955 | |||
| Ghana | 22-05-1962 (A) | 22-08-1962 | ||||
| Greece | 24-05-1963 (A) | 24-08-1963 | ||||
| Guatemala | 06-09-1952 | 28-07-1964 (R) | 28-10-1964 | |||
| Haïti | 06-09-1952 | 01-09-1954 (R) | 16-09-1955 | |||
| Holy See | 06-09-1952 | 05-07-1955 (R) | 05-10-1955 | |||
| Honduras | 06-09-1952 | |||||
| Hungary | 23-10-1970 (A) | 23-01-1971 | ||||
| India | 06-09-1952 | 21-10-1957 (R) | 21-01-1958 | |||
| Ireland | 06-09-1952 | 20-10-1958 (R) | 20-01-1959 | |||
| Israel | 16-12-1952 | 06-04-1955 (R) | 16-09-1955 | |||
| Italy | 06-09-1952 | 24-10-1956 (R) | 24-01-1957 | |||
| Japan | 03-01-1953 | 28-01-1956 (R) | 28-04-1956 | |||
| Kenya | 07-06-1966 (A) | 07-09-1966 | ||||
| Laos | 19-08-1954 (A) | 16-09-1955 | ||||
| Lebanon | 17-07-1959 (A) | 17-10-1959 | ||||
| Liberia | 06-09-1952 | 27-04-1956 (R) | 27-07-1956 | |||
| Liechtenstein | 22-10-1958 (R) | 22-01-1959 | ||||
| Luxembourg | 06-09-1952 | 15-07-1955 (R) | 15-10-1955 | |||
| Mauritius | 20-08-1970 (Su) | 12-03-1968 | ||||
| Mexico | 06-09-1952 | 12-02-1957 (R) | 12-05-1957 | |||
| Monaco | 06-09-1952 | 16-06-1955 (R) | 16-09-1955 | |||
| Montenegro | 26-04-2007 (Su) | 03-06-2006 | ||||
| Morocco | 08-02-1972 (A) | 08-05-1972 | ||||
| Netherlands, the Kingdom of the | 06-09-1952 | 22-03-1967 (R) | 22-06-1967 | |||
| New Zealand | 11-06-1964 (R) | 11-09-1964 | ||||
| Nicaragua | 06-09-1952 | 16-05-1961 (R) | 16-08-1961 | |||
| North Macedonia | 30-04-1997 (Su) | 17-11-1991 | ||||
| Norway | 06-09-1952 | 23-10-1962 (R) | 23-01-1963 | |||
| Pakistan | 28-04-1954 (A) | 16-09-1955 | ||||
| Panama | 17-07-1962 (A) | 17-10-1962 | ||||
| Paraguay | 11-12-1961 (A) | 11-03-1962 | ||||
| Peru | 02-12-1952 | |||||
| Portugal | 06-09-1952 | 25-09-1956 (R) | 25-12-1956 | |||
| Rwanda | 10-08-1989 (A) | 10-11-1989 | ||||
| San Marino | 06-09-1952 | |||||
| Serbia | 11-09-2001 (Su) | 27-04-1992 | ||||
| Slovakia | 31-03-1993 (Su) | 01-01-1993 | ||||
| Slovenia | 05-11-1992 (Su) | 25-06-1991 | ||||
| Spain | 06-09-1952 | 27-10-1954 (R) | 16-09-1955 | |||
| Sri Lanka | 27-07-1988 (A) | 27-07-1988 | ||||
| Sweden | 06-09-1952 | 01-04-1961 (R) | 01-07-1961 | |||
| Switzerland | 06-09-1952 | 30-12-1955 (R) | 30-03-1956 | |||
| Tunisia | 19-03-1969 (A) | 19-06-1969 | ||||
| United Kingdom | 06-09-1952 | 27-06-1957 (R) | 27-09-1957 | |||
| United States of America | 06-09-1952 | 06-12-1954 (R) | 16-09-1955 | |||
| Uruguay | 06-09-1952 | 12-01-1993 (R) | 12-04-1993 | |||
| Venezuela | 30-06-1966 (A) | 30-09-1966 | ||||
| Yugoslavia (< 25-06-1991) | 06-09-1952 | 11-02-1966 (R) | 11-05-1966 |
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