| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Acceptance | 13/09/1946 | |
| ANGOLA | Acceptance | 04/06/1976 | |
| ANTIGUA AND BARBUDA | Acceptance | 16/02/1982 | |
| ARGENTINA | Approval | 09/09/1949 | |
| AUSTRALIA | Adoption | 05/11/1945 | |
| AUSTRALIA | Ratification | 28/05/1946 | |
| BAHAMAS | Acceptance | 25/05/1976 | |
| BAHRAIN | Acceptance | 18/04/1977 | |
| BELGIUM | Adoption | 05/11/1945 | |
| BELGIUM | Ratification | 12/03/1947 | |
| BELIZE | Acceptance | 17/11/1981 | |
| BOLIVIA | Adoption | 05/11/1945 | |
| BOLIVIA | Ratification | 17/09/1946 | |
| BOTSWANA | Acceptance | 27/02/1978 | |
| BRAZIL | Adoption | 05/11/1945 | |
| BRAZIL | Ratification | 20/07/1946 | |
| BULGARIA | Adoption | 05/11/1945 | |
| BURUNDI | Acceptance | 11/03/1963 | |
| CAMBODIA | Acceptance | 24/02/1969 | |
| CAMEROON | Acceptance | 07/06/1960 | |
| CANADA | Adoption | 05/11/1945 | |
| CANADA | Ratification | 22/07/1946 | |
| CAPE VERDE | Acceptance | 03/04/1979 | |
| CENTRAL AFRICAN REPUBLIC | Acceptance | 27/10/1960 | |
| CHAD | Acceptance | 10/11/1960 | |
| CHILE | Adoption | 05/11/1945 | |
| CHILE | Ratification | 19/10/1948 | |
| CHINA | Adoption | 05/11/1945 | |
| CHINA | Ratification | 03/09/1946 | |
| COLOMBIA | Adoption | 05/11/1945 | |
| COLOMBIA | Acceptance | 03/09/1946 | |
| COMOROS | Acceptance | 23/10/1978 | |
| CONGO, DEMOCRATIC REPUBLIC OF | Acceptance | 20/09/1960 | |
| CONGO, REPUBLIC OF | Acceptance | 10/11/1960 | |
| COSTA RICA | Adoption | 05/11/1945 | |
| COSTA RICA | Ratification | 18/09/1946 | |
| CUBA | Adoption | 05/11/1945 | |
| CYPRUS | Acceptance | 23/09/1960 | |
| CZECHOSLOVAKIA | Adoption | 05/11/1945 | |
| CZECHOSLOVAKIA | Ratification | 19/09/1946 | |
| DAHOMEY | Acceptance | 12/12/1960 | |
| DENMARK | Adoption | 05/11/1945 | |
| DENMARK | Ratification | 18/09/1946 | |
| DJIBOUTI | Acceptance | 03/05/1978 | |
| DOMINICAN REPUBLIC | Adoption | 05/11/1945 | |
| DOMINICAN REPUBLIC | Acceptance | 16/09/1946 | |
| ECUADOR | Acceptance | 22/08/1946 | |
| EGYPT | Adoption | 05/11/1945 | |
| EGYPT | Acceptance | 21/05/1946 | |
| EQUATORIAL GUINEA | Acceptance | 30/01/1981 | |
| ETHIOPIA | Adoption | 05/11/1945 | |
| ETHIOPIA | Ratification | 10/09/1946 | |
| FIJI | Acceptance | 19/04/1974 | |
| FINLAND | Adoption | 05/11/1945 | |
| FINLAND | Ratification | 13/05/1946 | |
| FRANCE | Adoption | 05/11/1945 | |
| FRANCE | Ratification | 22/07/1946 | |
| GABON | Acceptance | 14/10/1960 | |
| GERMAN DEMOCRATIC REPUBLIC | Acceptance | | 01/01/1974 |
| GREECE | Adoption | 05/11/1945 | |
| GREECE | Ratification | 27/05/1946 | |
| GRENADA | Acceptance | 09/07/1979 | |
| GUATEMALA | Adoption | 05/11/1945 | |
| GUATEMALA | Ratification | 07/06/1947 | |
| GUINEA BISSAU | Acceptance | 21/02/1977 | |
| HAITI | Signature | 05/11/1945 | |
| HAITI | Acceptance | 26/09/1946 | |
| HONDURAS | Acceptance | 22/09/1954 | 01/01/1955 |
| HUNGARY | Adoption | 05/11/1945 | |
| HUNGARY | Ratification | 26/07/1946 | |
| ICELAND | Adoption | 05/11/1945 | |
| ICELAND | Acceptance | 06/02/1946 | |
| INDIA | Adoption | 05/11/1945 | |
| INDIA | Ratification | 25/06/1946 | |
| IRAN | Adoption | 05/11/1945 | |
| IRAN | Ratification | 16/08/1946 | |
| IRAQ | Adoption | 05/11/1945 | |
| IRAQ | Acceptance | 04/07/1946 | |
| IRELAND, REPUBLIC OF | Adoption | 05/11/1945 | |
| IRELAND, REPUBLIC OF | Ratification | 13/06/1946 | |
| ITALY | Adoption | 05/11/1945 | |
| ITALY | Ratification | 30/08/1946 | |
| IVORY COAST | Acceptance | 21/11/1960 | |
| JAMAICA | Acceptance | 26/12/1962 | |
| LESOTHO | Acceptance | 02/06/1980 | |
| LUXEMBOURG | Adoption | 05/11/1945 | |
| LUXEMBOURG | Ratification | 01/08/1946 | |
| MALAGASY REPUBLIC | Acceptance | 01/11/1960 | |
| MALTA | Acceptance | 29/12/1964 | |
| MEXICO | Adoption | 05/11/1945 | |
| MEXICO | Ratification | 29/04/1947 | |
| MOZAMBIQUE | Acceptance | 28/05/1976 | |
| NAMIBIA | Acceptance | 03/10/1978 | |
| NEPAL | Acceptance | 30/08/1966 | |
| NETHERLANDS THE | Adoption | 05/11/1945 | |
| NETHERLANDS THE | Ratification | 21/09/1946 | |
| NEW ZEALAND | Adoption | 05/11/1945 | |
| NEW ZEALAND | Ratification | 22/05/1946 | |
| NIGERIA | Acceptance | 17/10/1960 | |
| NORWAY | Adoption | 05/11/1945 | |
| NORWAY | Ratification | 08/05/1946 | |
| PANAMA | Adoption | 05/11/1945 | |
| PANAMA | Ratification | 13/05/1954 | |
| PAPUA NEW GUINEA | Acceptance | 01/05/1976 | |
| PARAGUAY | Acceptance | 05/09/1956 | |
| PERU | Adoption | 05/11/1945 | |
| PERU | Ratification | 21/09/1946 | |
| POLAND | Adoption | 05/11/1945 | |
| POLAND | Ratification | 26/02/1947 | |
| PORTUGAL | Adoption | 05/11/1945 | |
| PORTUGAL | Ratification | 19/09/1946 | |
| ROUMANIA | Acceptance | 11/05/1956 | |
| SAINT LUCIA | Acceptance | 09/04/1980 | |
| SAUDI ARABIA | Acceptance | 12/01/1976 | |
| SENEGAL | Acceptance | 04/11/1960 | |
| SEYCHELLES | Acceptance | 25/04/1977 | |
| SIAM | Adoption | 05/11/1945 | |
| SIAM | Ratification | 09/07/1946 | |
| SINGAPORE | Acceptance | 25/10/1965 | |
| SOMALIA | Acceptance | 18/11/1960 | |
| SOUTH AFRICA | Adoption | 05/11/1945 | |
| SOUTH AFRICA | Ratification | 27/05/1946 | |
| SPAIN | Acceptance | 28/05/1956 | |
| SURINAME | Acceptance | 24/02/1976 | |
| SWAZILAND | Acceptance | 20/05/1975 | |
| SWEDEN | Adoption | 05/11/1945 | |
| SWEDEN | Ratification | 25/06/1946 | |
| SWITZERLAND | Adoption | 05/11/1945 | |
| SWITZERLAND | Ratification | 08/08/1946 | |
| TANGANYIKA | Acceptance | 30/01/1962 | |
| TRINIDAD AND TOBAGO | Acceptance | 24/05/1963 | |
| TURKEY | Adoption | 05/11/1945 | |
| TURKEY | Ratification | 05/07/1946 | |
| UGANDA | Acceptance | 25/03/1963 | |
| UNITED KINGDOM | Signature | 05/11/1945 | |
| UNITED KINGDOM | Adoption | 05/11/1945 | |
| UNITED KINGDOM | Ratification | 25/06/1946 | |
| UNITED STATES OF AMERICA | Adoption | 05/11/1945 | |
| UNITED STATES OF AMERICA | Acceptance | 18/02/1980 | |
| UPPER VOLTA | Acceptance | 21/11/1960 | |
| URUGUAY | Adoption | 05/11/1945 | |
| VENEZUELA | Adoption | 05/11/1945 | |
| VENEZUELA | Ratification | 12/09/1946 | |
| VIETNAM, REPUBLIC OF | Acceptance | 17/01/1980 | |
| YEMEN ARAB REPUBLIC | Acceptance | 20/05/1965 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Acceptance | 14/04/1969 | |
| YUGOSLAVIA | Adoption | 05/11/1945 | |
| ZAMBIA | Acceptance | 02/12/1964 | |
| ZIMBABWE | Acceptance | 06/06/1980 | |