| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Acceptance | 19/04/1948 | |
| ALBANIA | Signature | 22/07/1946 | |
| ALBANIA | Acceptance | 26/05/1947 | |
| ALBANIA | Withdrawal | 20/03/1950 | |
| ALGERIA | Acceptance | 08/11/1962 | |
| ANDORRA | Acceptance | 15/01/1997 | |
| ANGOLA | Acceptance | 15/05/1976 | |
| ANTIGUA AND BARBUDA | Acceptance | 12/03/1984 | |
| Antilles | Extension | 01/01/1986 | |
| ARGENTINE REPUBLIC | Signature | 22/07/1946 | |
| ARGENTINE REPUBLIC | Acceptance | 22/10/1948 | |
| ARMENIA | Acceptance | 04/05/1992 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 22/07/1946 | |
| AUSTRALIA | Acceptance | 02/02/1948 | |
| AUSTRIA | Signature | 22/07/1946 | |
| AUSTRIA | Acceptance | 30/11/1947 | |
| AZERBAIJAN | Acceptance | 02/09/1992 | |
| BAHAMAS | Acceptance | 01/04/1974 | |
| BAHRAIN | Acceptance | 02/11/1971 | |
| BANGLADESH | Acceptance | 19/05/1972 | |
| BARBADOS | Acceptance | 25/04/1967 | |
| BELGIUM | Signature | 22/07/1946 | |
| BELGIUM | Acceptance | 25/11/1948 | |
| BELIZE | Acceptance | 23/08/1990 | |
| BHUTAN | Acceptance | 08/03/1982 | |
| BOLIVIA | Signature | 22/07/1946 | |
| BOLIVIA | Acceptance | 23/11/1949 | |
| BOSNIA AND HERZEGOVINA | Acceptance | 19/08/1992 | |
| BOTSWANA | Acceptance | 26/02/1975 | |
| BRAZIL | Signature | 22/07/1946 | |
| BRAZIL | Acceptance | 02/06/1948 | |
| BRUNEI DARUSSALAM | Acceptance | 25/03/1985 | |
| BULGARIA | Signature | 22/07/1946 | |
| BULGARIA | Acceptance | 09/06/1948 | |
| BULGARIA | Withdrawal | 29/11/1949 | |
| BURMA | Acceptance | 01/07/1948 | |
| BURUNDI | Acceptance | 22/10/1962 | |
| BYELORUSSIA S S R | Withdrawal | 01/01/1905 | |
| BYELORUSSIA S S R | Signature | 22/07/1946 | |
| BYELORUSSIA S S R | Acceptance | 07/04/1948 | |
| CAMBODIA | Acceptance | 17/05/1950 | |
| CAMEROON | Acceptance | 06/05/1960 | |
| CANADA | Signature | 22/07/1946 | |
| CANADA | Acceptance | 29/08/1946 | |
| CAPE VERDE | Acceptance | 05/01/1976 | |
| CENTRAL AFRICAN REPUBLIC | Acceptance | 20/09/1960 | |
| CEYLON | Acceptance | 07/07/1948 | |
| CHAD | Acceptance | 01/01/1960 | |
| CHILE | Signature | 22/07/1946 | |
| CHILE | Acceptance | 15/10/1948 | |
| COLOMBIA | Signature | 22/07/1946 | |
| COLOMBIA | Acceptance | 14/05/1959 | |
| COMOROS | Acceptance | 09/12/1975 | |
| CONGO, REPUBLIC OF | Acceptance | 24/02/1961 | |
| COOK ISLANDS | Acceptance | 09/05/1984 | |
| COSTA RICA | Signature | 22/07/1946 | |
| COSTA RICA | Acceptance | 17/03/1949 | |
| CROATIA | Acceptance | 11/06/1992 | |
| CUBA | Signature | 22/07/1949 | |
| CUBA | Acceptance | 09/05/1950 | |
| CYPRUS | Acceptance | 16/01/1961 | |
| CZECH REPUBLIC | Acceptance | 22/01/1993 | |
| CZECHOSLOVAKIA | Signature | 22/07/1946 | |
| CZECHOSLOVAKIA | Acceptance | 01/03/1948 | |
| CZECHOSLOVAKIA | Withdrawal | 14/04/1950 | |
| DAHOMEY | Acceptance | 20/09/1960 | |
| DENMARK | Signature | 22/07/1946 | |
| DENMARK | Acceptance | 19/04/1948 | |
| DJIBOUTI | Acceptance | 10/03/1978 | |
| DOMINICA, COMMONWEALTH OF | Acceptance | 13/08/1981 | |
| DOMINICAN REPUBLIC | Signature | 22/07/1946 | |
| DOMINICAN REPUBLIC | Acceptance | 21/06/1948 | |
| ECUADOR | Signature | 22/07/1946 | |
| ECUADOR | Acceptance | 01/03/1949 | |
| EGYPT | Signature | 22/07/1946 | |
| EGYPT | Acceptance | 16/12/1947 | |
| EQUATORIAL GUINEA | Acceptance | 05/05/1980 | |
| ERITREA | Acceptance | 24/07/1993 | |
| ETHIOPIA | Signature | 22/07/1946 | |
| ETHIOPIA | Acceptance | 11/04/1947 | |
| FIJI | Acceptance | 01/01/1972 | |
| FINLAND | Signature | 22/07/1946 | |
| FINLAND | Acceptance | 07/10/1947 | |
| FRANCE | Signature | 22/07/1946 | |
| FRANCE | Acceptance | 16/06/1948 | |
| GABON | Acceptance | 21/11/1960 | |
| GAMBIA THE | Acceptance | 26/04/1971 | |
| GEORGIA | Acceptance | 26/05/1992 | |
| GERMAN DEMOCRATIC REPUBLIC | Acceptance | 08/05/1973 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 29/05/1951 | |
| GHANA | Acceptance | 08/04/1957 | |
| GREECE | Signature | 22/07/1946 | |
| GREECE | Acceptance | 12/03/1948 | |
| GRENADA | Acceptance | 04/12/1974 | |
| GUATEMALA | Signature | 22/07/1946 | |
| GUATEMALA | Acceptance | 26/08/1949 | |
| GUINEA | Acceptance | 19/05/1959 | |
| GUINEA BISSAU | Acceptance | 29/07/1974 | |
| GUYANA | Acceptance | 27/09/1966 | |
| HAITI | Signature | 22/07/1946 | |
| HAITI | Acceptance | 12/08/1947 | |
| HONDURAS | Signature | 22/07/1946 | |
| HONDURAS | Acceptance | 08/04/1949 | |
| HUNGARY | Acceptance | 17/06/1948 | |
| HUNGARY | Withdrawal | 19/05/1950 | |
| HUNGARY | Withdrawal Obj. | 15/04/1991 | |
| ICELAND | Acceptance | 17/06/1948 | |
| INDIA | Signature | 22/07/1946 | |
| INDIA | Acceptance | 12/01/1948 | |
| INDONESIA | Acceptance | 23/05/1950 | |
| IRAN | Signature | 22/07/1946 | |
| IRAN | Acceptance | 23/11/1946 | |
| IRAQ | Signature | 22/07/1946 | |
| IRAQ | Acceptance | 23/09/1947 | |
| IRELAND, REPUBLIC OF | Signature | 22/07/1946 | |
| IRELAND, REPUBLIC OF | Acceptance | 20/10/1947 | |
| ISRAEL | Acceptance | 21/06/1949 | |
| ITALY | Signature | 22/07/1946 | |
| ITALY | Acceptance | 02/04/1947 | |
| IVORY COAST | Acceptance | 28/10/1960 | |
| JAMAICA | Acceptance | 21/03/1963 | |
| JAPAN | Acceptance | 16/05/1951 | |
| KAZAKHSTAN | Acceptance | 19/08/1992 | |
| KENYA | Acceptance | 27/01/1964 | |
| KIRIBATI | Acceptance | 26/07/1984 | |
| KOREA | Acceptance | 17/08/1949 | |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Acceptance | 19/05/1973 | |
| KUWAIT | Acceptance | 09/05/1960 | |
| KYRGYZSTAN | Acceptance | 29/04/1992 | |
| LAOS | Acceptance | 17/05/1950 | |
| LATVIA | Acceptance | 04/12/1991 | |
| LEBANON | Signature | 22/07/1946 | |
| LEBANON | Acceptance | 19/01/1949 | |
| LESOTHO | Acceptance | 07/07/1967 | |
| LIBERIA | Signature | 22/07/1946 | |
| LIBERIA | Acceptance | 14/03/1947 | |
| LIBYA | Acceptance | 16/05/1952 | |
| LITHUANIA | Acceptance | 25/11/1991 | |
| LUXEMBOURG | Signature | 22/07/1946 | |
| LUXEMBOURG | Acceptance | 03/06/1949 | |
| MACEDONIA THE FYR OF | Acceptance | 22/04/1993 | |
| MALAGASY REPUBLIC | Acceptance | 16/01/1961 | |
| MALAWI | Acceptance | 09/04/1965 | |
| MALAYA | Acceptance | 24/04/1958 | |
| MALDIVES | Acceptance | 05/11/1965 | |
| MALI | Acceptance | 17/10/1960 | |
| MALTA | Acceptance | 01/02/1965 | |
| MARSHALL ISLANDS | Acceptance | 05/06/1991 | |
| MAURITANIA | Acceptance | 07/03/1961 | |
| MAURITIUS | Acceptance | 09/12/1968 | |
| MEXICO | Signature | 22/07/1946 | |
| MEXICO | Acceptance | 07/04/1948 | |
| MICRONESIA | Acceptance | 14/08/1991 | |
| MOLDOVA REPUBLIC OF | Acceptance | 04/05/1992 | |
| MONACO | Acceptance | 08/07/1948 | |
| MONGOLIA | Acceptance | 18/04/1962 | |
| MONTENEGRO | Acceptance | 29/08/2006 | 29/08/2006 |
| MOROCCO | Acceptance | 14/05/1956 | |
| MOZAMBIQUE | Acceptance | 11/09/1975 | |
| NAMIBIA | Acceptance | 23/04/1990 | |
| NEPAL | Acceptance | 02/09/1952 | |
| NETHERLANDS THE | Signature | 22/07/1946 | |
| NETHERLANDS THE | Acceptance | 25/04/1947 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | |
| NEW ZEALAND | Signature | 22/07/1946 | |
| NEW ZEALAND | Acceptance | 10/12/1946 | |
| NICARAGUA | Signature | 22/07/1946 | |
| NICARAGUA | Acceptance | 24/04/1950 | |
| NIGER | Acceptance | 05/10/1960 | |
| NIGERIA | Acceptance | 25/11/1960 | |
| NORWAY | Signature | 22/07/1946 | |
| NORWAY | Acceptance | 18/08/1947 | |
| OMAN | Acceptance | 28/05/1971 | |
| PAKISTAN | Acceptance | 23/06/1948 | |
| PALAU | Acceptance | 09/03/1995 | |
| PANAMA | Signature | 22/07/1946 | |
| PANAMA | Acceptance | 20/02/1951 | |
| PAPUA NEW GUINEA | Acceptance | 29/04/1976 | |
| PARAGUAY | Signature | 22/07/1946 | |
| PARAGUAY | Acceptance | 04/01/1949 | |
| PERU | Signature | 22/07/1946 | |
| PERU | Acceptance | 11/11/1949 | |
| PHILIPPINES | Signature | 22/07/1946 | |
| PHILIPPINES | Acceptance | 09/07/1948 | |
| POLAND | Signature | 22/07/1946 | |
| POLAND | Acceptance | 06/05/1948 | |
| POLAND | Withdrawal | 15/08/1950 | |
| PORTUGAL | Signature | 22/07/1946 | |
| PORTUGAL | Acceptance | 13/02/1948 | |
| QATAR | Acceptance | 11/05/1972 | |
| ROMANIA | Acceptance | 08/06/1948 | |
| ROMANIA | Withdrawal | 20/02/1950 | |
| RWANDA | Acceptance | 07/11/1962 | |
| SAINT LUCIA | Acceptance | 11/11/1980 | |
| SALVADOR | Signature | 22/07/1946 | |
| SALVADOR | Acceptance | 22/06/1948 | |
| SAN MARINO | Acceptance | 12/05/1980 | |
| SAO TOME AND PRINCIPE | Acceptance | 23/03/1976 | |
| SAUDI ARABIA | Signature | 22/07/1946 | |
| SAUDI ARABIA | Acceptance | 26/05/1947 | |
| SENEGAL | Acceptance | 31/10/1960 | |
| SEYCHELLES | Acceptance | 11/09/1979 | |
| SIAM | Signature | 22/07/1946 | |
| SIAM | Acceptance | 26/09/1947 | |
| SIERRA LEONE | Acceptance | 20/10/1961 | |
| SINGAPORE | Acceptance | 25/02/1966 | |
| SLOVAK REPUBLIC | Acceptance | 04/02/1993 | |
| SLOVENIA | Acceptance | 07/05/1992 | |
| SOLOMON ISLANDS | Acceptance | 04/04/1983 | |
| SOMALIA | Acceptance | 26/01/1961 | |
| SOUTH AFRICA | Signature | 22/07/1946 | |
| SOUTH AFRICA | Acceptance | 07/08/1947 | |
| Southern Rhodesia | Acceptance | 16/05/1950 | |
| SOVIET UNION | Withdrawal | 01/01/1905 | |
| SOVIET UNION | Signature | 22/07/1946 | |
| SOVIET UNION | Acceptance | 24/03/1948 | |
| SPAIN | Acceptance | 28/05/1951 | |
| ST KITTS AND NEVIS | Acceptance | 03/12/1984 | |
| ST VINCENT AND THE GRENADINES | Acceptance | 01/09/1983 | |
| SUDAN | Acceptance | 14/05/1956 | |
| SURINAME | Acceptance | 25/03/1976 | |
| SWAZILAND | Acceptance | 16/04/1973 | |
| SWEDEN | Acceptance | 28/08/1947 | |
| SWITZERLAND | Signature | 22/07/1946 | |
| SWITZERLAND | Acceptance | 26/03/1947 | |
| SYRIA | Signature | 22/07/1946 | |
| SYRIA | Acceptance | 18/12/1946 | |
| TAIWAN | Definitive Signature | 22/07/1946 | |
| TAJIKISTAN | Acceptance | 04/05/1992 | |
| TANGANYIKA | Acceptance | 15/03/1962 | |
| TOGO | Acceptance | 13/05/1960 | |
| TONGA | Acceptance | 14/08/1975 | |
| TRANSJORDAN | Signature | 22/07/1946 | |
| TRANSJORDAN | Acceptance | 07/04/1947 | |
| TRINIDAD AND TOBAGO | Acceptance | 03/01/1963 | |
| TUNISIA | Acceptance | 14/05/1956 | |
| TURKEY | Signature | 22/07/1946 | |
| TURKEY | Acceptance | 02/01/1948 | |
| TURKMENISTAN | Acceptance | 02/07/1992 | |
| TUVALU | Acceptance | 07/05/1993 | |
| UGANDA | Acceptance | 07/03/1963 | |
| UKRAINE | Withdrawal | 01/01/1905 | |
| UKRAINE | Signature | 22/07/1946 | |
| UKRAINE | Acceptance | 03/04/1948 | |
| UNITED ARAB EMIRATES | Acceptance | 30/03/1972 | |
| UNITED KINGDOM | Signature | 22/07/1946 | |
| UNITED KINGDOM | Definitive Signature | 22/07/1946 | |
| UNITED STATES OF AMERICA | Signature | 22/07/1946 | |
| UNITED STATES OF AMERICA | Acceptance | 21/06/1948 | |
| UPPER VOLTA | Acceptance | 04/10/1960 | |
| URUGUAY | Signature | 22/07/1946 | |
| URUGUAY | Acceptance | 22/04/1949 | |
| UZBEKISTAN | Acceptance | 22/05/1992 | |
| VANUATU | Acceptance | 07/03/1983 | |
| VENEZUELA | Signature | 22/07/1946 | |
| VENEZUELA | Acceptance | 07/07/1948 | |
| VIETNAM | Acceptance | 17/05/1950 | |
| VIETNAM D R | Acceptance | 22/10/1975 | |
| WESTERN SAMOA | Acceptance | 16/05/1962 | |
| YEMEN | Definitive Signature | 20/11/1953 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Acceptance | 06/05/1968 | |
| YUGOSLAVIA | Signature | 22/07/1946 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Acceptance | 28/11/2000 | 28/11/2000 |
| ZAIRE | Acceptance | 26/10/1960 | |
| ZAMBIA | Definitive Signature | 02/02/1965 | |
| ZANZIBAR | Acceptance | 29/02/1964 | |
| ZIMBABWE | Acceptance | 16/05/1980 | |