| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 07/12/1944 | |
| AFGHANISTAN | Ratification | 04/04/1947 | 04/05/1947 |
| ALBANIA | Adherence | 28/03/1991 | 27/04/1991 |
| ALGERIA | Accession | 07/05/1963 | 06/06/1963 |
| ANGOLA | Adherence | 11/03/1977 | 10/04/1977 |
| ANTIGUA AND BARBUDA | Adherence | 10/11/1981 | 10/12/1981 |
| Antilles | Extension | 01/01/1986 | 01/01/1986 |
| ARGENTINA | Accession | 04/06/1946 | 04/04/1947 |
| ARMENIA | Adherence | 18/06/1992 | 18/07/1992 |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRALIA | Signature | 07/12/1944 | |
| AUSTRALIA | Ratification | 01/03/1947 | 04/04/1947 |
| AUSTRIA | Adherence | 27/08/1948 | 26/09/1948 |
| AZERBAIJAN | Adherence | 09/10/1992 | 08/11/1992 |
| BAHAMAS | Adherence | 27/05/1975 | 26/06/1975 |
| BAHRAIN | Adherence | 20/08/1971 | 19/09/1971 |
| BANGLADESH | Adherence | 22/12/1972 | 21/01/1973 |
| BARBADOS | Adherence | 21/03/1967 | 20/04/1967 |
| BELARUS | Adherence | 04/06/1993 | 04/07/1993 |
| BELGIUM | Signature | 09/04/1945 | |
| BELGIUM | Ratification | 05/05/1947 | 04/06/1947 |
| BELGIUM | Notification | 27/04/1948 | |
| BELIZE | Adherence | 07/12/1990 | 06/01/1991 |
| BENIN | Adherence | 29/05/1961 | 28/06/1961 |
| BHUTAN | Adherence | 17/05/1989 | 16/06/1989 |
| BOLIVIA | Signature | 07/12/1944 | |
| BOLIVIA | Ratification | 04/04/1947 | 04/05/1947 |
| BOSNIA AND HERZEGOVINA | Adherence | 13/01/1993 | 12/02/1993 |
| BOTSWANA | Adherence | 28/12/1978 | 27/01/1979 |
| BRAZIL | Signature | 29/05/1945 | |
| BRAZIL | Ratification | 08/07/1946 | 04/04/1947 |
| BRAZIL | Notification | 25/06/1948 | |
| BRUNEI DARUSSALAM | Adherence | 04/12/1984 | 03/01/1985 |
| BULGARIA | Adherence | 08/06/1967 | 08/07/1967 |
| BURKINA FASO | Accession | 21/03/1962 | 20/04/1962 |
| BURMA | Adherence | 08/07/1948 | 07/08/1948 |
| BURUNDI | Adherence | 19/01/1968 | 18/02/1968 |
| CAMBODIA | Accession | 16/01/1956 | 15/02/1956 |
| CAMEROON | Accession | 15/01/1960 | 14/02/1960 |
| CANADA | Signature | 07/12/1944 | |
| CANADA | Ratification | 13/02/1946 | 04/04/1947 |
| CAPE VERDE | Adherence | 19/08/1976 | 18/09/1976 |
| CENTRAL AFRICAN REPUBLIC | Adherence | 28/06/1961 | 28/07/1961 |
| CHAD | Accession | 03/07/1962 | 02/08/1962 |
| CHILE | Signature | 07/12/1944 | |
| CHILE | Ratification | 11/03/1947 | 10/04/1947 |
| CHINA | Signature | 07/12/1944 | |
| CHINA | Ratification | 20/02/1946 | |
| CHINA | Statement | 15/02/1974 | |
| COLOMBIA | Signature | 31/10/1947 | |
| COLOMBIA | Ratification | 31/10/1947 | 30/11/1947 |
| COMOROS | Adherence | 15/01/1985 | 14/02/1985 |
| CONGO | Adherence | 26/04/1962 | 26/05/1962 |
| COOK ISLANDS | Adherence | 20/08/1986 | 19/09/1986 |
| COSTA RICA | Signature | 10/03/1945 | |
| COSTA RICA | Ratification | 01/05/1958 | 31/05/1958 |
| COTE D'IVOIRE | Accession | 31/10/1960 | 30/11/1960 |
| CROATIA | Adherence | 09/04/1992 | 09/05/1992 |
| CUBA | Signature | 20/04/1945 | |
| CUBA | Reservation | 20/06/1947 | |
| CUBA | Withdrawal Res. | 11/05/1949 | |
| CUBA | Ratification | 11/05/1949 | 10/06/1949 |
| CYPRUS | Accession | 17/01/1961 | 16/02/1961 |
| CZECH REPUBLIC | Adherence | 04/03/1993 | 03/04/1993 |
| CZECHOSLOVAKIA | Signature | 18/04/1945 | |
| CZECHOSLOVAKIA | Ratification | 01/03/1947 | 04/04/1947 |
| DENMARK | Signature | 07/12/1944 | |
| DENMARK | Ratification | 28/02/1947 | 04/04/1947 |
| DJIBOUTI | Adherence | 30/06/1978 | 30/07/1978 |
| DOMINICAN REPUBLIC | Signature | 07/12/1944 | |
| DOMINICAN REPUBLIC | Ratification | 25/01/1946 | 04/04/1947 |
| DOMINICAN REPUBLIC | Notification | 14/06/1948 | |
| ECUADOR | Signature | 07/12/1944 | |
| ECUADOR | Ratification | 20/08/1954 | 19/09/1954 |
| EGYPT | Signature | 07/12/1944 | |
| EGYPT | Ratification | 13/03/1947 | 12/04/1947 |
| EGYPT | Notification | 23/04/1948 | |
| EL SALVADOR | Signature | 09/05/1945 | |
| EL SALVADOR | Ratification | 11/06/1947 | 11/07/1947 |
| EQUATORIAL GUINEA | Accession | 22/02/1972 | 23/03/1972 |
| ERITREA | Adherence | 17/09/1993 | 17/10/1993 |
| ESTONIA | Adherence | 24/01/1992 | 23/02/1992 |
| ETHIOPIA | Signature | 10/02/1947 | |
| ETHIOPIA | Ratification | 01/03/1947 | 04/04/1947 |
| FIJI | Adherence | 05/03/1973 | 04/04/1973 |
| FINLAND | Accession | 30/03/1949 | 29/04/1949 |
| FRANCE | Signature | 07/12/1944 | |
| FRANCE | Ratification | 25/03/1947 | 24/04/1947 |
| GABON | Accession | 18/01/1962 | 17/02/1962 |
| GAMBIA THE | Adherence | 13/05/1977 | 12/06/1977 |
| GEORGIA | Adherence | 21/01/1994 | 20/02/1994 |
| GERMAN DEMOCRATIC REPUBLIC | Adherence | 02/04/1990 | 02/05/1990 |
| GERMANY FEDERAL REPUBLIC | Participation | 09/05/1956 | 08/06/1956 |
| GHANA | Accession | 09/05/1957 | 08/06/1957 |
| GREECE | Signature | 07/12/1944 | |
| GREECE | Ratification | 13/03/1947 | 12/04/1947 |
| GRENADA | Accession | 31/08/1981 | 30/09/1981 |
| GUATEMALA | Signature | 30/01/1945 | |
| GUATEMALA | Ratification | 28/04/1947 | 28/05/1947 |
| GUATEMALA | Declaration | 13/06/1952 | 13/06/1953 |
| GUINEA | Accession | 27/03/1959 | 26/04/1959 |
| GUINEA BISSAU | Adherence | 15/12/1977 | 14/01/1978 |
| GUYANA | Accession | 03/02/1967 | 05/03/1967 |
| HAITI | Signature | 07/12/1944 | |
| HAITI | Ratification | 25/03/1948 | 24/04/1948 |
| HONDURAS | Signature | 07/12/1944 | |
| HONDURAS | Ratification | 07/05/1953 | 06/06/1953 |
| HUNGARY | Accession | 30/09/1969 | 30/10/1969 |
| ICELAND | Signature | 07/12/1944 | |
| ICELAND | Ratification | 21/03/1947 | 20/04/1947 |
| INDIA | Signature | 07/12/1944 | |
| INDIA | Ratification | 01/03/1947 | 04/04/1947 |
| INDONESIA | Accession | 27/04/1950 | 27/05/1950 |
| IRAN | Signature | 07/12/1944 | |
| IRAN | Ratification | 19/04/1950 | 19/05/1950 |
| IRAQ | Signature | 07/12/1944 | |
| IRAQ | Ratification | 02/06/1947 | 02/07/1947 |
| IRELAND, REPUBLIC OF | Signature | 07/12/1944 | |
| IRELAND, REPUBLIC OF | Ratification | 31/10/1946 | 04/04/1947 |
| ISRAEL | Accession | 24/05/1949 | 23/06/1949 |
| ITALY | Participation | 31/10/1947 | 30/11/1947 |
| JAMAICA | Accession | 26/03/1963 | 25/04/1963 |
| JAPAN | Participation | 08/09/1953 | 08/10/1953 |
| JORDAN | Accession | 18/03/1947 | 17/04/1947 |
| KAZAKHSTAN | Adherence | 21/08/1992 | 20/09/1992 |
| KENYA | Accession | 01/05/1964 | 31/05/1964 |
| KIRIBATI | Adherence | 14/04/1981 | 14/05/1981 |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Adherence | 16/08/1977 | 15/09/1977 |
| KOREA REPUBLIC OF | Accession | 11/11/1952 | 11/12/1952 |
| KUWAIT | Accession | 18/05/1960 | 17/06/1960 |
| KYRGYZSTAN | Adherence | 25/02/1993 | 27/03/1993 |
| LAOS | Accession | 13/06/1955 | 13/07/1955 |
| LATVIA | Adherence | 13/07/1992 | 12/08/1992 |
| LEBANON | Signature | 07/12/1944 | |
| LEBANON | Ratification | 19/09/1949 | 19/10/1949 |
| LESOTHO | Adherence | 19/05/1975 | 18/06/1975 |
| LIBERIA | Signature | 07/12/1944 | |
| LIBERIA | Ratification | 11/02/1947 | 04/04/1947 |
| LIBYA | Accession | 29/01/1953 | 28/02/1953 |
| LITHUANIA | Adherence | 08/01/1992 | 07/02/1992 |
| LUXEMBOURG | Signature | 09/07/1945 | |
| LUXEMBOURG | Ratification | 28/04/1948 | 28/05/1948 |
| MACEDONIA THE FYR OF | Adherence | 10/12/1992 | 09/01/1993 |
| MADAGASCAR | Accession | 14/04/1962 | 14/05/1962 |
| MALAWI | Accession | 11/09/1964 | 11/10/1964 |
| MALAYSIA | Accession | 07/04/1958 | 07/05/1958 |
| MALDIVES | Adherence | 12/03/1974 | 11/04/1974 |
| MALI | Accession | 08/11/1960 | 08/12/1960 |
| MALTA | Accession | 05/01/1965 | 04/02/1965 |
| MARSHALL ISLANDS | Adherence | 18/03/1988 | 17/04/1988 |
| MAURITANIA | Accession | 13/01/1962 | 12/02/1962 |
| MAURITIUS | Accession | 30/01/1970 | 01/03/1970 |
| MEXICO | Signature | 07/12/1944 | |
| MEXICO | Ratification | 25/06/1946 | 04/04/1947 |
| MICRONESIA | Adherence | 27/09/1988 | |
| MOLDOVA REPUBLIC OF | Adherence | 01/06/1992 | 01/07/1992 |
| MONACO | Accession | 04/01/1980 | 03/02/1980 |
| MONGOLIA | Adherence | 07/09/1989 | 07/10/1989 |
| MOROCCO | Accession | 13/11/1956 | 13/12/1956 |
| MOZAMBIQUE | Adherence | 05/01/1977 | 04/02/1977 |
| NAMIBIA | Adherence | 30/04/1991 | 30/05/1991 |
| NAURU | Adherence | 25/08/1975 | 24/09/1975 |
| NEPAL | Accession | 29/06/1960 | 29/07/1960 |
| NETHERLANDS THE | Signature | 07/12/1944 | |
| NETHERLANDS THE | Ratification | 26/03/1947 | 25/04/1947 |
| NEW ZEALAND | Signature | 07/12/1944 | |
| NEW ZEALAND | Ratification | 07/03/1947 | 06/04/1947 |
| NICARAGUA | Signature | 07/12/1944 | |
| NICARAGUA | Ratification | 28/12/1945 | 04/04/1947 |
| NIGER | Accession | 29/05/1961 | 28/06/1961 |
| NIGERIA | Accession | 14/11/1960 | 14/12/1960 |
| NORWAY | Signature | 30/01/1945 | |
| NORWAY | Ratification | 05/05/1947 | 04/06/1947 |
| OMAN | Adherence | 24/01/1973 | 23/02/1973 |
| PAKISTAN | Accession | 06/11/1947 | 06/12/1947 |
| PAKISTAN | Notification | 04/09/1948 | |
| PANAMA | Accession | 18/01/1960 | 17/02/1960 |
| PANAMA | Reservation | 18/01/1960 | 17/02/1960 |
| PAPUA NEW GUINEA | Adherence | 15/12/1975 | 14/01/1976 |
| PARAGUAY | Signature | 27/07/1945 | |
| PARAGUAY | Ratification | 21/01/1946 | 04/04/1947 |
| PERU | Signature | 07/12/1944 | |
| PERU | Ratification | 08/04/1946 | 04/04/1947 |
| PHILIPPINES | Signature | 07/12/1944 | |
| PHILIPPINES | Ratification | 01/03/1947 | 04/04/1947 |
| PHILIPPINES | Notification | 25/05/1948 | |
| POLAND | Signature | 07/12/1944 | |
| POLAND | Ratification | 06/04/1945 | 04/04/1947 |
| PORTUGAL | Signature | 07/12/1944 | |
| PORTUGAL | Ratification | 27/02/1947 | 04/04/1947 |
| PORTUGAL | Communication | 22/10/1999 | 20/12/1999 |
| QATAR | Accession | 05/09/1971 | 05/10/1971 |
| ROMANIA | Accession | 30/04/1965 | 30/05/1965 |
| RWANDA | Accession | 03/02/1964 | 04/03/1964 |
| SAINT LUCIA | Accession | 20/11/1979 | 20/12/1979 |
| SAN MARINO | Adherence | 13/05/1988 | 12/06/1988 |
| SAO TOME AND PRINCIPE | Adherence | 28/02/1977 | 30/03/1977 |
| SAUDI ARABIA | Accession | 19/02/1962 | 21/03/1962 |
| SAUDI ARABIA | Declaration | 19/02/1962 | 21/03/1962 |
| SENEGAL | Accession | 11/11/1960 | 11/12/1960 |
| SEYCHELLES | Adherence | 25/04/1977 | 25/05/1977 |
| SIERRA LEONE | Accession | 22/11/1961 | 22/12/1961 |
| SINGAPORE | Accession | 20/05/1966 | 19/06/1966 |
| SLOVAK REPUBLIC | Adherence | 15/03/1993 | 14/04/1993 |
| SLOVENIA | Adherence | 13/05/1992 | 12/06/1992 |
| SOLOMON ISLANDS | Adherence | 11/04/1985 | 11/05/1985 |
| SOMALI DEMOCRATIC REPUBLIC | Accession | 02/03/1964 | 01/04/1964 |
| SOUTH AFRICA | Signature | 04/06/1945 | |
| SOUTH AFRICA | Ratification | 01/03/1947 | 04/04/1947 |
| SOVIET UNION | Accession | 15/10/1970 | 14/11/1970 |
| SOVIET UNION | Declaration | 15/10/1970 | |
| SPAIN | Signature | 07/12/1944 | |
| SPAIN | Ratification | 05/03/1947 | 04/04/1947 |
| SRI LANKA | Adherence | 01/06/1948 | |
| ST VINCENT AND THE GRENADINES | Adherence | 15/11/1983 | 15/12/1983 |
| SUDAN | Accession | 29/06/1956 | 29/07/1956 |
| SURINAME | Adherence | 05/03/1976 | 04/04/1976 |
| SWAZILAND | Adherence | 14/02/1973 | 16/03/1973 |
| SWEDEN | Signature | 07/12/1944 | |
| SWEDEN | Ratification | 07/11/1946 | 04/04/1947 |
| SWITZERLAND | Signature | 06/07/1945 | |
| SWITZERLAND | Ratification | 06/02/1947 | 04/04/1947 |
| SYRIA | Signature | 07/12/1944 | |
| SYRIA | Ratification | 21/12/1949 | 20/01/1950 |
| TAIWAN | Withdrawal | 31/05/1950 | 31/05/1951 |
| TAJIKISTAN | Adherence | 03/09/1993 | 03/10/1993 |
| TANZANIA | Accession | 23/04/1962 | 26/04/1964 |
| THAILAND | Signature | 07/12/1944 | |
| THAILAND | Ratification | 04/04/1947 | 04/05/1947 |
| TOGO | Accession | 18/05/1965 | 17/06/1965 |
| TONGA | Adherence | 02/11/1984 | 02/12/1984 |
| TRINIDAD AND TOBAGO | Accession | 14/03/1963 | 13/04/1963 |
| TUNISIA | Accession | 18/11/1957 | 18/12/1957 |
| TURKEY | Signature | 07/12/1944 | |
| TURKEY | Ratification | 20/12/1945 | 04/04/1947 |
| TURKMENISTAN | Adherence | 15/03/1993 | 14/04/1993 |
| UGANDA | Accession | 10/04/1967 | 10/05/1967 |
| UKRAINE | Adherence | 10/08/1992 | 09/09/1992 |
| UNITED ARAB EMIRATES | Accession | 25/04/1972 | 25/05/1972 |
| UNITED KINGDOM | Signature | 07/12/1944 | |
| UNITED KINGDOM | Ratification | 01/03/1947 | 04/04/1947 |
| UNITED STATES OF AMERICA | Signature | 07/12/1944 | |
| UNITED STATES OF AMERICA | Ratification | 09/08/1946 | 04/04/1947 |
| UNITED STATES OF AMERICA | Notification | 19/07/1948 | |
| URUGUAY | Signature | 07/12/1944 | |
| URUGUAY | Ratification | 14/01/1954 | 13/02/1954 |
| UZBEKISTAN | Adherence | 13/10/1992 | 12/11/1992 |
| VANUATU | Accession | 17/08/1983 | 16/09/1983 |
| VENEZUELA | Accession | 01/04/1947 | 01/05/1947 |
| VIETNAM | Accession | 19/10/1954 | |
| VIETNAM, REPUBLIC OF | Accession | 13/03/1980 | 12/04/1980 |
| YEMEN ARAB REPUBLIC | Accession | 17/04/1964 | 17/05/1964 |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Accession | 28/01/1970 | 27/02/1970 |
| YUGOSLAVIA | Signature | 06/01/1954 | |
| YUGOSLAVIA | Ratification | 09/03/1960 | 08/04/1960 |
| ZAIRE | Accession | 27/07/1961 | 26/08/1961 |
| ZAMBIA | Accession | 30/10/1964 | 29/11/1964 |
| ZIMBABWE | Adherence | 11/02/1981 | 13/03/1981 |