| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ANGOLA | Succession | 22/04/1994 | 11/11/1975 |
| Antilles | Extension | 01/01/1986 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 30/10/1947 | |
| BAHRAIN | Accession | 17/01/1994 | 15/08/1971 |
| BELGIUM | Signature | 30/10/1947 | |
| BRAZIL | Signature | 30/06/1948 | |
| BRUNEI DARUSSALAM | Succession | 03/01/1994 | 31/12/1983 |
| BURMA | Signature | 29/06/1948 | |
| CANADA | Signature | 30/10/1947 | |
| CEYLON | Signature | 29/06/1948 | |
| CHINA | Withdrawal | 05/05/1950 | |
| CHINA | Signature | 21/04/1948 | |
| CUBA | Signature | 17/12/1947 | |
| CZECHOSLOVAKIA | Signature | 21/03/1948 | |
| DJIBOUTI | Accession | 17/04/1995 | 16/12/1994 |
| DOMINICA, COMMONWEALTH OF | Succession | 26/04/1993 | 03/11/1978 |
| FRANCE | Signature | 13/11/1947 | |
| FRANCE | Application | 13/06/1949 | |
| GRENADA | Succession | 09/02/1994 | 07/02/1974 |
| GUINEA BISSAU | Succession | 22/04/1994 | 10/09/1974 |
| INDIA | Signature | 08/06/1948 | |
| INDIA | Reservation | 08/06/1948 | |
| LEBANON | Withdrawal | 25/02/1951 | |
| LEBANON | Signature | 29/06/1948 | |
| LESOTHO | Succession | 08/01/1988 | 04/10/1966 |
| LIBERIA | Succession | 17/05/1950 | |
| LIBERIA | Withdrawal | 14/05/1953 | 13/06/1953 |
| LIECHTENSTEIN | Succession | 22/04/1994 | 29/03/1994 |
| LUXEMBOURG | Signature | 30/10/1947 | |
| MACAU | Succession | 11/01/1991 | 11/01/1991 |
| MALI | Succession | 11/01/1993 | 20/06/1960 |
| MOZAMBIQUE | Succession | 27/07/1992 | 25/06/1975 |
| NAMIBIA | Succession | 15/09/1992 | 21/03/1990 |
| NETHERLANDS THE | Signature | 30/10/1947 | |
| NETHERLANDS THE | Application | 10/02/1948 | |
| NEW ZEALAND | Signature | 30/06/1948 | |
| NORWAY | Signature | 10/06/1948 | |
| PAKISTAN | Signature | 30/06/1948 | |
| PALESTINE (INCL. PLO) | Application | 20/03/1948 | |
| PAPUA NEW GUINEA | Succession | 17/04/1995 | 16/12/1994 |
| PERSIAN GULF STATES | Accession | 30/07/1948 | |
| QATAR | Accession | 22/04/1994 | 03/09/1971 |
| SAINT LUCIA | Succession | 13/04/1993 | 22/02/1979 |
| SOLOMON ISLANDS | Succession | 28/12/1994 | 07/07/1978 |
| SOUTH AFRICA | Signature | 14/05/1948 | |
| Southern Rhodesia | Signature | 11/06/1948 | |
| ST KITTS AND NEVIS | Succession | 22/04/1994 | 19/09/1983 |
| ST VINCENT AND THE GRENADINES | Succession | 18/05/1993 | 27/10/1979 |
| SWAZILAND | Succession | 08/02/1993 | 06/09/1968 |
| SYRIA | Withdrawal | 06/08/1951 | |
| SYRIA | Signature | 30/06/1948 | |
| UNITED ARAB EMIRATES | Succession | 08/03/1994 | 01/12/1971 |
| UNITED KINGDOM | Signature | 30/10/1947 | |
| UNITED STATES OF AMERICA | Signature | 30/10/1947 |