| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Accession | 19/10/1962 | |
| ANGOLA | Succession | 04/06/1976 | |
| BELGIUM | Signature | 18/06/1949 | |
| BELGIUM | Ratification | 30/08/1962 | |
| BOSNIA AND HERZEGOVINA | Accession | 02/06/1993 | 02/06/1993 |
| BRAZIL | Signature | 18/06/1949 | |
| BRAZIL | Ratification | 18/06/1965 | |
| CHINA | Declaration | 11/06/1984 | 03/08/1994 |
| CROATIA | Accession | 08/10/1991 | 08/10/1991 |
| CUBA | Signature | 18/06/1949 | |
| CUBA | Ratification | 29/04/1952 | |
| DJIBOUTI | Succession | 03/08/1978 | 03/08/1978 |
| FINLAND | Signature | 18/06/1948 | |
| FINLAND | Ratification | 22/06/1951 | |
| FINLAND | Denunciation | 15/01/1990 | |
| FRANCE | Signature | 18/06/1949 | |
| FRANCE | Ratification | 26/10/1951 | |
| FRANCE | Denunciation | 15/06/1978 | |
| French Overseas Territories | App without mod | 27/11/1974 | |
| GUINEA BISSAU | Succession | 21/02/1977 | |
| ICELAND | Signature | 18/06/1949 | |
| ICELAND | Ratification | 15/07/1952 | |
| ISRAEL | Signature | 18/06/1949 | |
| ISRAEL | Ratification | 30/03/1953 | |
| ITALY | Signature | 18/06/1949 | |
| ITALY | Ratification | 05/05/1971 | |
| ITALY | Denunciation | 28/07/1981 | |
| MAURITANIA | Signature | 18/06/1949 | |
| MAURITANIA | Ratification | 08/11/1963 | |
| NETHERLANDS THE | Signature | 18/06/1949 | |
| NETHERLANDS THE | Ratification | 22/12/1961 | |
| NETHERLANDS THE | Denunciation | 31/12/1985 | |
| NORWAY | Signature | 18/06/1949 | |
| NORWAY | Ratification | 29/06/1950 | |
| POLAND | Signature | 18/06/1949 | |
| POLAND | Ratification | 08/10/1956 | |
| PORTUGAL | Signature | 18/06/1949 | |
| PORTUGAL | Ratification | 29/07/1952 | |
| PORTUGAL | Denunciation | 31/12/1985 | |
| SPAIN | Signature | 18/06/1949 | |
| SPAIN | Ratification | 05/05/1971 | |
| SPAIN | Denunciation | 31/12/1985 | |
| TAIWAN | Signature | 18/06/1949 | |
| TAIWAN | Ratification | 14/03/1967 | |
| TAIWAN | Withdrawal | 21/09/1994 | |
| TUNISIA | Signature | 18/06/1949 | |
| TUNISIA | Ratification | 14/04/1970 | |
| UNITED KINGDOM | |||
| YUGOSLAVIA | Signature | 18/06/1949 | |
| YUGOSLAVIA | Ratification | 11/08/1967 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Ratification | 24/11/2000 | 24/11/2000 |