| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Ratification | 18/08/2004 | 18/09/2005 |
| ALGERIA | Ratification | 19/10/1962 | |
| ANGOLA | Succession | 04/06/1976 | |
| Anguilla | Decision Resvd. | 22/03/1958 | |
| Antigua | Extension | 22/03/1958 | |
| ANTIGUA AND BARBUDA | Ratification | 02/02/1983 | |
| Antilles | Extension | 26/09/1951 | |
| ARGENTINA | Ratification | 17/02/1955 | |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| Aruba | Declaration | 01/01/1986 | |
| AUSTRALIA | Ratification | 24/06/1975 | 24/06/1976 |
| AUSTRALIA | Declaration | 08/02/1996 | 08/02/1996 |
| AUSTRIA | Signature | 11/07/1947 | |
| AUSTRIA | Ratification | 30/04/1949 | |
| AZERBAIJAN | Ratification | 09/08/2000 | 09/08/2001 |
| BAHAMAS | Succession | 25/05/1976 | |
| BAHRAIN | Ratification | 11/06/1981 | 11/06/1982 |
| BANGLADESH | Ratification | 22/06/1972 | |
| Barbados | Extension | 22/03/1958 | |
| BARBADOS | Ratification | 08/05/1967 | |
| BELARUS | Ratification | 25/09/1995 | |
| BELGIUM | Ratification | 05/04/1957 | |
| BELIZE | Ratification | 15/12/1983 | |
| BENIN | Ratification | 11/06/2001 | 11/06/2002 |
| Bermuda | Decision Resvd. | 22/03/1958 | |
| BOLIVIA | Ratification | 15/11/1973 | 15/11/1974 |
| BOSNIA AND HERZEGOVINA | Ratification | 02/06/1993 | 02/06/1993 |
| BRAZIL | Ratification | 25/04/1957 | |
| BRAZIL | Denunciation | 05/04/1971 | |
| BRAZIL | Ratification | 11/10/1989 | 11/10/1990 |
| British Honduras | Extension | 22/03/1958 | |
| British Honduras | Reservation | 22/03/1958 | |
| British Honduras | Extension | 20/11/1963 | |
| British Honduras | Re-Application | 22/08/1966 | |
| British Virgin Islands | Decision Resvd. | 22/03/1958 | |
| Brunei | Extension | 22/03/1958 | |
| BULGARIA | Signature | 11/07/1947 | |
| BULGARIA | Ratification | 29/12/1949 | |
| BURUNDI | Ratification | 30/07/1971 | |
| CAMEROON | Ratification | 03/09/1962 | |
| CAPE VERDE | Succession | 16/10/1979 | 01/01/1753 |
| CAPE VERDE | Declaration | 16/10/1979 | |
| CENTRAL AFRICAN REPUBLIC | Ratification | 09/06/1964 | |
| CEYLON | Ratification | 03/04/1956 | |
| CHAD | Ratification | 30/11/1965 | |
| CHILE | Ratification | 03/11/1949 | |
| CHINA | Declaration | 11/06/1984 | |
| CHINA | Declaration | 20/10/1999 | |
| COLOMBIA | Ratification | 13/11/1967 | |
| COMOROS | Ratification | 23/10/1978 | 23/10/1978 |
| CONGO | Ratification | 26/11/1999 | 26/11/2000 |
| COSTA RICA | Ratification | 02/06/1960 | |
| COTE D'IVOIRE | Ratification | 05/06/1987 | 05/06/1988 |
| CROATIA | Ratification | 08/10/1991 | |
| CUBA | Ratification | 07/09/1954 | |
| Cyprus | Extension | 22/03/1958 | |
| CYPRUS | Ratification | 23/09/1960 | |
| CYPRUS | Withdrawal Dec. | 21/01/2000 | 21/01/2000 |
| DENMARK | Signature | 11/07/1947 | |
| DENMARK | Ratification | 06/08/1958 | |
| DJIBOUTI | Succession | 03/08/1978 | 03/08/1978 |
| DOMINICA, COMMONWEALTH OF | Ratification | 28/02/1983 | 28/02/1984 |
| DOMINICAN REPUBLIC | Ratification | 22/09/1953 | |
| ECUADOR | Ratification | 26/08/1975 | |
| EGYPT | Ratification | 11/10/1956 | |
| EL SALVADOR | Ratification | 15/06/1995 | |
| ESTONIA | Ratification | 01/02/2005 | 01/02/2006 |
| Falkland Islands | Decision Resvd. | 22/03/1958 | |
| FINLAND | Signature | 11/07/1947 | |
| FINLAND | Ratification | 20/01/1950 | |
| FRANCE | Signature | 11/07/1947 | |
| FRANCE | Ratification | 16/12/1950 | 16/12/1951 |
| FRANCE | Declaration | 05/04/2000 | |
| GABON | Ratification | 17/07/1972 | |
| GERMANY | Ratification | 14/06/1955 | |
| GHANA | Ratification | 02/07/1959 | |
| Gibraltar | Extension | | 22/03/1958 |
| Gibraltar | Extension | 27/03/1950 | |
| Gibraltar | Extension | 05/07/1962 | |
| GREECE | Ratification | 16/06/1955 | |
| Grenada | Extension | 22/03/1958 | |
| GRENADA | Succession | 09/07/1979 | 09/07/1979 |
| GUATEMALA | Ratification | 13/02/1952 | |
| Guernsey | Extension | 28/06/1949 | |
| GUINEA | Ratification | 26/03/1959 | |
| GUINEA BISSAU | Succession | 21/02/1977 | |
| GUYANA | Ratification | 08/06/1966 | |
| HAITI | Ratification | 31/03/1952 | |
| HONDURAS | Ratification | 06/05/1983 | 06/05/1984 |
| Hong Kong | Reservation | | 22/03/1958 |
| Hong Kong | Re-Application | 11/07/1966 | |
| HUNGARY | Ratification | 04/01/1994 | 04/01/1995 |
| INDIA | Signature | 11/07/1947 | |
| INDIA | Ratification | 07/04/1949 | |
| INDONESIA | Ratification | 29/01/2004 | 29/01/2005 |
| IRAQ | Signature | 11/07/1947 | |
| IRAQ | Ratification | 13/01/1951 | |
| IRELAND, REPUBLIC OF | Declaration | 01/01/1905 | |
| IRELAND, REPUBLIC OF | Ratification | 16/06/1951 | |
| Isle of Man | Extension | 28/06/1949 | |
| ISRAEL | Ratification | 07/06/1955 | |
| ITALY | Ratification | 22/10/1952 | |
| Jamaica | Extension | 22/03/1958 | |
| JAMAICA | Ratification | 26/12/1962 | |
| JAPAN | Ratification | 20/10/1953 | |
| Jersey | Extension | 28/06/1949 | |
| JORDAN | Ratification | 27/03/1969 | |
| KAZAKHSTAN | Ratification | 06/07/2001 | 06/07/2002 |
| Kenya | Extension | 22/03/1958 | |
| KENYA | Ratification | 13/01/1964 | |
| KOREA REPUBLIC OF | Ratification | 09/12/1992 | |
| KUWAIT | Ratification | 23/11/1964 | |
| LATVIA | Ratification | 25/07/1994 | 25/07/1995 |
| LEBANON | Ratification | 27/07/1962 | |
| LESOTHO | Ratification | 14/06/2001 | 14/06/2002 |
| LIBERIA | Ratification | 25/03/2003 | 25/03/2004 |
| LIBYA | Ratification | 27/05/1971 | |
| LITHUANIA | Ratification | 26/09/1994 | 26/09/1995 |
| LUXEMBOURG | Signature | 11/07/1947 | |
| LUXEMBOURG | Ratification | 03/03/1958 | |
| MALAGASY REPUBLIC | Ratification | 21/12/1971 | |
| MALAWI | Ratification | 22/03/1965 | 22/03/1966 |
| MALAYA | Ratification | 01/07/1963 | |
| Malaysia | Extension | 03/03/1964 | |
| MALI | Ratification | 02/03/1964 | |
| Malta | Extension | 22/03/1958 | |
| MALTA | Succession | 04/01/1965 | |
| MAURITANIA | Ratification | 08/11/1963 | |
| Mauritius | Extension | 22/03/1958 | |
| MAURITIUS | Ratification | 02/12/1969 | |
| MOLDOVA REPUBLIC OF | Ratification | 12/08/1996 | |
| Montserrat | Decision Resvd. | 22/03/1958 | |
| MOROCCO | Signature | 11/07/1947 | |
| MOROCCO | Ratification | 04/03/1958 | |
| MOZAMBIQUE | Ratification | 06/06/1977 | 06/06/1978 |
| NETHERLANDS THE | Ratification | 15/09/1951 | |
| New Caledonia | Application | 05/04/2000 | 05/04/2000 |
| NEW ZEALAND | Ratification | 30/11/1959 | |
| NIGER | Ratification | 09/01/1979 | 09/01/1980 |
| Nigeria | Extension | 22/03/1958 | |
| NIGERIA | Ratification | 17/10/1960 | |
| North Borneo | Extension | 22/03/1958 | |
| NORWAY | Signature | 11/07/1947 | |
| NORWAY | Ratification | 05/01/1949 | |
| PAKISTAN | Ratification | 10/10/1953 | |
| PANAMA | Ratification | 03/06/1958 | |
| PARAGUAY | Ratification | 28/08/1967 | |
| PERU | Ratification | 01/02/1960 | |
| POLAND | Ratification | 02/06/1995 | |
| PORTUGAL | Ratification | 12/02/1962 | |
| PORTUGAL | Declaration | 30/11/1999 | |
| QATAR | Ratification | 18/08/1976 | |
| ROMANIA | Ratification | 06/06/1973 | |
| ROMANIA | Statement | 06/06/1973 | |
| RUSSIAN FEDERATION | Ratification | 02/07/1998 | 02/07/1999 |
| RWANDA | Ratification | 02/12/1980 | 02/12/1981 |
| SAO TOME AND PRINCIPE | Ratification | 01/06/1982 | 01/06/1982 |
| Sarawak | Extension | 22/03/1958 | |
| SAUDI ARABIA | Ratification | 15/06/1978 | 15/06/1979 |
| SENEGAL | Ratification | 22/10/1962 | |
| Sierra Leone | Extension | 22/03/1958 | |
| Sierra Leone | Reservation | 22/03/1958 | |
| SIERRA LEONE | Ratification | 27/03/1961 | |
| Singapore | Extension | 22/03/1958 | |
| SINGAPORE | Ratification | 25/10/1965 | |
| SINGAPORE | Declaration | 25/10/1965 | |
| SLOVENIA | Ratification | 09/06/1992 | 09/06/1992 |
| Solomon Islands | Extension | 18/12/1963 | |
| Solomon Islands | Declaration | 24/09/1965 | |
| Solomon Islands | Re-Application | 26/05/1966 | |
| SOLOMON ISLANDS | Succession | 06/08/1985 | 06/08/1985 |
| Southern Rhodesia | Extension | 11/04/1960 | |
| Southern Rhodesia | Declaration | 11/04/1960 | |
| SPAIN | Ratification | 30/05/1960 | |
| St Helena | Decision Resvd. | 22/03/1958 | |
| St Vincent | Extension | 22/03/1958 | |
| SUDAN | Ratification | 22/10/1970 | |
| Surinam | Extension | 26/09/1951 | |
| SURINAME | Succession | 15/06/1976 | |
| SWAZILAND | Ratification | 05/06/1981 | 05/06/1982 |
| SWEDEN | Signature | 11/07/1947 | |
| SWEDEN | Ratification | 25/11/1949 | |
| SWITZERLAND | Signature | 11/07/1947 | |
| SWITZERLAND | Ratification | 13/07/1949 | |
| SWITZERLAND | Declaration | 01/07/1971 | |
| SYRIA | Ratification | 30/10/1961 | |
| TAIWAN | Ratification | 13/02/1962 | |
| TAIWAN | Termination | 21/09/1984 | |
| Tanganyika | Extension | 22/03/1958 | |
| TANGANYIKA | Ratification | 30/01/1962 | |
| TANGANYIKA AND ZANZIBAR | Ratification | 22/06/1964 | |
| TRINIDAD AND TOBAGO | Ratification | 17/08/2007 | 17/08/2008 |
| TUNISIA | Ratification | 15/05/1957 | |
| TURKEY | Ratification | 05/03/1951 | |
| Uganda | Extension | 22/03/1958 | |
| UGANDA | Ratification | 04/06/1963 | |
| UNITED ARAB EMIRATES | Ratification | 27/05/1982 | 27/05/1983 |
| UNITED KINGDOM | Signature | 11/07/1947 | |
| UNITED KINGDOM | Signature | 11/08/1947 | |
| UNITED KINGDOM | Ratification | 28/06/1949 | |
| UPPER VOLTA | Ratification | 21/05/1974 | 21/05/1975 |
| URUGUAY | Ratification | 28/06/1973 | |
| VENEZUELA | Ratification | 21/07/1967 | |
| VIETNAM | Ratification | 06/01/1964 | |
| VIETNAM, SOCIALIST REP OF | Ratification | 03/10/1994 | 03/10/1995 |
| YEMEN ARAB REPUBLIC | Ratification | 29/07/1976 | |
| YUGOSLAVIA | Ratification | 18/08/1955 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Ratification | 24/11/2000 | 24/11/2000 |
| ZAIRE | Ratification | 19/04/1968 | |
| ZIMBABWE | Ratification | 16/09/1993 | 16/09/1994 |