| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Ratification | 14/05/1937 | |
| ANGOLA | Succession | 04/06/1976 | |
| Antilles | Extension | 05/08/1957 | |
| ARGENTINA | Ratification | 14/03/1950 | |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRALIA | Ratification | 07/10/1953 | |
| AUSTRALIA | Declaration | 14/12/1954 | |
| AUSTRALIA | Declaration | 15/06/1973 | |
| AUSTRALIA | Declaration | 21/06/1973 | |
| AUSTRIA | Ratification | 03/07/1937 | |
| AUSTRIA | Denunciation | 03/04/2008 | 03/04/2009 |
| AZERBAIJAN | Ratification | 19/05/1992 | 19/05/1992 |
| Bahamas | Extension | 27/03/1950 | |
| BAHAMAS | Succession | 25/05/1976 | |
| BANGLADESH | Ratification | 22/06/1972 | |
| Basutoland | Extension | 27/03/1950 | |
| Bechuanaland | Extension | 27/03/1950 | |
| BELGIUM | Ratification | 04/08/1937 | |
| BOLIVIA | Ratification | 15/11/1973 | |
| BOSNIA AND HERZEGOVINA | Ratification | 02/06/1993 | 02/06/1993 |
| BRAZIL | Ratification | 22/09/1938 | |
| British Guiana | Extension | 27/03/1950 | |
| British Solomon Islands | Extension | 27/03/1950 | |
| Brunei | Decision Resvd. | 27/03/1950 | |
| BULGARIA | Ratification | 29/12/1949 | |
| BYELORUSSIA S S R | Ratification | 04/08/1961 | |
| CAMEROON | Ratification | 29/01/1963 | |
| CANADA | Ratification | 16/09/1966 | |
| CHILE | Ratification | 16/03/1946 | |
| CHINA | Ratification | 02/12/1936 | |
| CHINA | Declaration | 28/05/1982 | 28/05/1999 |
| COSTA RICA | Ratification | 22/03/1960 | |
| CROATIA | Ratification | 08/10/1991 | |
| CUBA | Ratification | 14/04/1936 | |
| Cyprus | Extension | 27/03/1950 | |
| CYPRUS | Ratification | 23/09/1960 | |
| CZECH REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| CZECH REPUBLIC | Denunciation | 24/04/2008 | 24/04/2009 |
| CZECHOSLOVAKIA | Ratification | 12/06/1950 | |
| DJIBOUTI | Ratification | 03/08/1978 | 03/08/1978 |
| DOMINICAN REPUBLIC | Ratification | 12/08/1957 | |
| ECUADOR | Ratification | 06/07/1954 | |
| EGYPT | Ratification | 11/07/1947 | |
| ESTONIA | Ratification | 04/06/1937 | |
| ESTONIA | Denunciation | 06/12/2007 | 06/12/2008 |
| Falkland Islands | Extension | 27/03/1950 | |
| Fiji | Extension | 27/03/1950 | |
| FIJI | Ratification | 18/04/1974 | |
| FINLAND | Ratification | 03/03/1938 | |
| FRANCE | Ratification | 25/01/1938 | |
| FRANCE | Application | 27/11/1974 | |
| GABON | Ratification | 13/06/1961 | |
| GERMAN DEMOCRATIC REPUBLIC | Ratification | 20/08/1975 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 15/11/1954 | |
| GERMANY FEDERAL REPUBLIC | Denunciation | 25/04/2008 | 25/04/2009 |
| GHANA | Ratification | 20/05/1957 | |
| Gibraltar | Extension | 27/03/1950 | |
| Gilbert And Ellice Islands | Decision Resvd. | 27/03/1950 | |
| Gold Coast | Extension | 27/03/1950 | |
| GREECE | Ratification | 30/05/1936 | |
| GUATEMALA | Ratification | 07/03/1960 | |
| Guernsey | Extension | 18/07/1936 | |
| Guernsey | Denunciation | 26/05/1988 | 26/05/1989 |
| GUINEA | Ratification | 12/12/1966 | |
| GUINEA BISSAU | Ratification | 21/02/1977 | |
| GUYANA | Ratification | 08/06/1966 | |
| HAITI | Ratification | 05/04/1960 | |
| HONDURAS | Ratification | 20/06/1960 | |
| Hong Kong | Extension | 27/03/1950 | |
| Hong Kong | Termination | 28/05/1998 | 28/05/1999 |
| HUNGARY | Ratification | 19/12/1938 | |
| INDIA | Ratification | 25/03/1938 | |
| INDONESIA | Ratification | 12/06/1950 | |
| IRELAND, REPUBLIC OF | Ratification | 20/08/1936 | |
| Isle of Man | Extension | 18/07/1936 | |
| Isle of Man | Denunciation | 26/05/1988 | |
| ITALY | Ratification | 22/10/1952 | |
| ITALY | Declaration | 07/06/1954 | |
| IVORY COAST | Ratification | 05/05/1961 | |
| Jamaica | Decision Resvd. | 27/03/1950 | |
| JAPAN | Ratification | 11/06/1956 | |
| Jersey | Extension | 18/07/1936 | |
| Jersey | Denunciation | 26/05/1988 | 26/05/1989 |
| Kenya | Extension | 27/03/1950 | |
| KENYA | Ratification | 13/01/1964 | |
| KYRGYZSTAN | Ratification | 31/03/1992 | 31/03/1992 |
| LEBANON | Ratification | 26/07/1962 | |
| LESOTHO | Ratification | 31/10/1966 | |
| LUXEMBOURG | Ratification | 03/03/1958 | |
| MALAWI | Ratification | 22/03/1965 | |
| Malay States, Federated | Extension | 27/03/1950 | |
| MALAYA | Ratification | 11/11/1957 | |
| MALTA | Ratification | 09/06/1988 | |
| MEXICO | Ratification | 21/02/1938 | |
| MOROCCO | Ratification | 20/09/1956 | |
| NETHERLANDS THE | Ratification | 20/02/1937 | |
| NETHERLANDS THE | Declaration | 05/08/1957 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | 01/01/1986 |
| New Guinea | Extension | 21/06/1973 | |
| NEW ZEALAND | Ratification | 29/03/1938 | |
| NEW ZEALAND | Denunciation | 23/06/1987 | 23/06/1988 |
| NICARAGUA | Ratification | 01/03/1976 | |
| Nigeria | Extension | 27/03/1950 | |
| NIGERIA | Ratification | 17/10/1960 | |
| Northern Rhodesia | Extension | 27/03/1950 | |
| Nyasaland | Extension | 27/03/1950 | |
| PAKISTAN | Ratification | 25/03/1938 | |
| PANAMA | Ratification | 16/02/1959 | |
| Papua | Extension | 15/06/1973 | |
| PAPUA NEW GUINEA | Succession | 01/05/1976 | |
| PERU | Ratification | 08/11/1945 | |
| POLAND | Ratification | 15/06/1957 | |
| PORTUGAL | Ratification | 18/10/1937 | |
| PORTUGAL | Reservation | 18/10/1937 | |
| RUSSIAN FEDERATION | Declaration | 04/05/1961 | |
| Sarawak | Decision Resvd. | 27/03/1950 | |
| SAUDI ARABIA | Ratification | 15/06/1978 | 15/06/1979 |
| Sierra Leone | Extension | 27/03/1950 | |
| SIERRA LEONE | Ratification | 13/06/1961 | |
| Singapore | Extension | 27/03/1950 | |
| SINGAPORE | Ratification | 25/10/1965 | |
| SLOVAK REPUBLIC | Ratification | 01/01/1993 | 01/01/1993 |
| SLOVAK REPUBLIC | Denunciation | 20/02/2008 | 20/02/2009 |
| SLOVENIA | Ratification | 09/06/1992 | 09/06/1992 |
| SLOVENIA | Denunciation | 18/03/2008 | 18/03/2009 |
| SOLOMON ISLANDS | Succession | 06/08/1985 | 06/08/1986 |
| SOMALIA | Ratification | 18/11/1960 | |
| Somaliland | Extension | 07/06/1954 | |
| SOUTH AFRICA | Ratification | 25/06/1936 | |
| Southern Rhodesia | Extension | 27/03/1950 | |
| SOVIET UNION | Ratification | 04/05/1961 | |
| SPAIN | Ratification | 24/06/1958 | |
| SPAIN | Denunciation | 14/04/2008 | 14/04/2009 |
| SRI LANKA | Ratification | 20/12/1950 | 20/12/1951 |
| Swaziland | Extension | 27/03/1950 | |
| SWAZILAND | Ratification | 05/06/1981 | 05/06/1982 |
| SWEDEN | Ratification | 11/07/1936 | |
| SWITZERLAND | Ratification | 23/05/1940 | |
| SYRIA | Ratification | 26/07/1960 | |
| TAJIKISTAN | Succession | 26/11/1993 | 26/11/1993 |
| Tanganyika | Extension | 27/03/1950 | |
| TANGANYIKA | Ratification | 30/01/1962 | |
| TUNISIA | Ratification | 15/05/1957 | |
| TURKEY | Ratification | 21/04/1938 | |
| Uganda | Extension | 27/03/1950 | |
| UGANDA | Ratification | 04/06/1963 | |
| UKRAINE | Ratification | 04/08/1961 | |
| UNITED KINGDOM | Signature | 21/06/1935 | |
| UNITED KINGDOM | Ratification | 18/07/1936 | |
| UNITED KINGDOM | Declaration | 27/03/1950 | |
| UNITED KINGDOM | Denunciation | 26/05/1988 | 26/05/1989 |
| URUGUAY | Ratification | 18/03/1954 | |
| VENEZUELA | Ratification | 20/11/1944 | |
| VIETNAM | Ratification | 06/06/1953 | |
| VIETNAM | Ratification | 03/10/1994 | 03/10/1995 |
| YUGOSLAVIA | Ratification | 21/05/1952 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Ratification | 24/11/2000 | 24/11/2000 |
| ZAMBIA | Ratification | 02/12/1964 | |
| ZIMBABWE | Ratification | 06/06/1980 | 06/06/1980 |