| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Accession | 16/11/1966 | |
| ALBANIA | Accession | 12/05/1955 | |
| ALBANIA | Declaration | 12/05/1955 | |
| ALBANIA | Reservation | 12/05/1955 | |
| ALGERIA | Accession | 05/08/2004 | 03/11/2004 |
| ANGOLA | Accession | 17/09/1986 | 16/12/1986 |
| ANTIGUA AND BARBUDA | Succession | 25/10/1988 | 01/11/1981 |
| ANTIGUA AND BARBUDA | Reservation | 25/10/1988 | 01/11/1981 |
| ARGENTINA | Signature | 31/03/1953 | |
| ARGENTINA | Ratification | 27/02/1961 | |
| ARGENTINA | Reservation | 27/02/1961 | |
| ARMENIA | Accession | 24/01/2008 | 23/04/2008 |
| AUSTRALIA | Reservation | 10/12/1947 | 10/03/1975 |
| AUSTRALIA | Declaration | 10/12/1947 | 10/12/1947 |
| AUSTRALIA | Accession | 10/12/1974 | 10/03/1975 |
| AUSTRIA | Signature | 19/10/1959 | |
| AUSTRIA | Ratification | 18/04/1969 | |
| AUSTRIA | Reservation | 18/04/1969 | |
| AUSTRIA | Withdrawal | 11/09/2000 | |
| BAHAMAS | Succession | 16/08/1977 | |
| BANGLADESH | Accession | 05/10/1998 | 03/01/1999 |
| BANGLADESH | Declaration | 05/10/1998 | |
| BARBADOS | Accession | 21/01/1973 | 12/04/1973 |
| BELARUS | Signature | 31/03/1953 | |
| BELARUS | Ratification | 11/08/1954 | |
| BELARUS | Reservation | 11/08/1954 | |
| BELARUS | Withdrawal | 19/04/1989 | |
| BELGIUM | Accession | 20/05/1964 | |
| BELGIUM | Reservation | 20/05/1964 | |
| BELGIUM | Withdrawal | 19/06/1978 | |
| BELGIUM | Withdrawal Res. | 14/09/1998 | |
| BOLIVIA | Signature | 09/04/1953 | |
| BOLIVIA | Ratification | 22/09/1970 | 21/12/1970 |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BRAZIL | Signature | 20/05/1953 | |
| BRAZIL | Ratification | 13/08/1963 | |
| British Solomon Islands | Extension | 24/02/1967 | |
| Brunei | Extension | 24/02/1967 | |
| BULGARIA | Accession | 17/03/1954 | |
| BULGARIA | Declaration | 17/03/1954 | |
| BULGARIA | Reservation | 17/03/1954 | |
| BULGARIA | Withdrawal | 24/06/1992 | |
| BURUNDI | Accession | 18/02/1993 | 19/05/1993 |
| CAMBODIA | Signature | 11/11/2001 | |
| CANADA | Accession | 30/01/1957 | |
| CANADA | Reservation | 30/01/1957 | |
| CENTRAL AFRICAN REPUBLIC | Acceptance | 04/09/1962 | |
| CENTRAL AFRICAN REPUBLIC | Notification | 04/09/1962 | |
| CHILE | Signature | 31/03/1953 | |
| CHILE | Ratification | 18/10/1967 | |
| COLOMBIA | Accession | 05/08/1986 | 03/11/1986 |
| CONGO, REPUBLIC OF | Accession | 15/10/1962 | |
| CONGO, REPUBLIC OF | Notification | 15/10/1962 | |
| COSTA RICA | Signature | 31/03/1953 | |
| COSTA RICA | Ratification | 25/07/1967 | |
| COTE D'IVOIRE | Accession | 18/12/1995 | 17/03/1996 |
| CROATIA | Succession | 12/10/1992 | 08/10/1991 |
| CUBA | Signature | 31/03/1953 | |
| CUBA | Ratification | 08/04/1954 | |
| CYPRUS | Signature | 10/09/1968 | |
| CYPRUS | Ratification | 12/11/1968 | |
| CZECH REPUBLIC | Succession | 22/02/1993 | 01/01/1993 |
| CZECH REPUBLIC | Declaration | 22/02/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 31/03/1953 | |
| CZECHOSLOVAKIA | Ratification | 06/04/1955 | |
| CZECHOSLOVAKIA | Reservation | 06/04/1955 | |
| CZECHOSLOVAKIA | Objection | 10/06/1974 | |
| CZECHOSLOVAKIA | Withdrawal | 26/04/1991 | |
| DENMARK | Signature | 29/10/1953 | |
| DENMARK | Ratification | 07/07/1954 | |
| DENMARK | Reservation | 07/07/1954 | |
| DENMARK | Withdrawal | 26/04/1991 | |
| DOMINICAN REPUBLIC | Signature | 31/03/1953 | |
| DOMINICAN REPUBLIC | Ratification | 11/12/1953 | |
| ECUADOR | Reservation | 31/03/1953 | |
| ECUADOR | Signature | 31/03/1953 | |
| ECUADOR | Ratification | 23/04/1954 | |
| EGYPT | Accession | 08/09/1981 | 07/12/1981 |
| EL SALVADOR | Signature | 24/06/1953 | |
| EL SALVADOR | Ratification | 26/03/2008 | 24/06/2008 |
| ETHIOPIA | Signature | 31/03/1953 | |
| ETHIOPIA | Ratification | 21/01/1969 | |
| FIJI | Succession | 12/06/1972 | |
| FIJI | Reservation | 12/06/1972 | |
| FINLAND | Accession | 06/10/1958 | |
| FINLAND | Reservation | 06/10/1958 | |
| FRANCE | Signature | 31/03/1953 | |
| FRANCE | Reservation | 31/03/1953 | |
| FRANCE | Ratification | 22/04/1957 | |
| FRANCE | Withdrawal | 26/11/1960 | |
| FRANCE | Statement | 17/06/1974 | |
| FRANCE | Statement | 15/07/1974 | |
| GABON | Signature | 19/04/1967 | |
| GABON | Ratification | 19/04/1967 | |
| GEORGIA | Accession | 06/07/2005 | 04/10/2005 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 27/03/1973 | 25/06/1973 |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 27/03/1973 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 27/03/1973 | |
| GERMAN DEMOCRATIC REPUBLIC | Objection | 27/12/1973 | |
| GERMANY FEDERAL REPUBLIC | Accession | 04/11/1970 | |
| GERMANY FEDERAL REPUBLIC | Reservation | 04/11/1970 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 04/11/1970 | |
| GERMANY FEDERAL REPUBLIC | Statement | 15/07/1974 | |
| GERMANY FEDERAL REPUBLIC | Objection | 17/12/1999 | |
| GHANA | Accession | 28/12/1965 | |
| GREECE | Signature | 01/04/1953 | |
| GREECE | Ratification | 29/12/1953 | |
| GUATEMALA | Signature | 31/03/1953 | |
| GUATEMALA | Ratification | 07/10/1959 | |
| GUATEMALA | Reservation | 07/10/1959 | |
| GUINEA | Signature | 19/03/1975 | |
| GUINEA | Ratification | 24/01/1978 | 24/04/1978 |
| HAITI | Signature | 23/07/1957 | |
| HAITI | Ratification | 12/02/1958 | |
| HONG KONG SAR | Application | 10/06/1997 | 01/07/1997 |
| HONG KONG SAR | Declaration | 10/06/1997 | |
| HUNGARY | Signature | 02/09/1954 | |
| HUNGARY | Ratification | 20/01/1955 | |
| HUNGARY | Reservation | 20/01/1955 | |
| HUNGARY | Withdrawal | 08/12/1989 | |
| ICELAND | Signature | 25/11/1953 | |
| ICELAND | Ratification | 30/06/1954 | |
| INDIA | Signature | 29/04/1953 | |
| INDIA | Ratification | 01/11/1961 | |
| INDIA | Reservation | 01/11/1961 | |
| INDONESIA | Signature | 31/03/1953 | |
| INDONESIA | Ratification | 16/12/1958 | |
| INDONESIA | Reservation | 16/12/1958 | |
| IRELAND, REPUBLIC OF | Accession | 14/11/1968 | |
| IRELAND, REPUBLIC OF | Reservation | 14/11/1968 | |
| IRELAND, REPUBLIC OF | Declaration | 14/11/1968 | |
| ISRAEL | Signature | 14/04/1953 | |
| ISRAEL | Ratification | 06/07/1954 | |
| ITALY | Accession | 06/03/1968 | |
| ITALY | Declaration | 06/03/1968 | |
| JAMAICA | Accession | 14/08/1966 | |
| JAPAN | Signature | 01/04/1955 | |
| JAPAN | Ratification | 13/07/1955 | |
| JORDAN | Accession | 01/07/1992 | 29/09/1992 |
| KAZAKHSTAN | Accession | 28/03/2000 | 26/06/2000 |
| KOREA REPUBLIC OF | Accession | 23/06/1959 | |
| KYRGYZSTAN | Accession | 10/02/1997 | 11/05/1997 |
| LAOS | Accession | 28/01/1969 | |
| LATVIA | Accession | 14/04/1992 | 13/07/1992 |
| LEBANON | Signature | 24/02/1954 | |
| LEBANON | Ratification | 05/06/1956 | |
| LESOTHO | Accession | 04/11/1974 | 02/02/1975 |
| LESOTHO | Reservation | 04/11/1974 | 02/02/1975 |
| LIBERIA | Signature | 09/12/1953 | |
| LIBYA | Accession | 16/05/1989 | 14/08/1989 |
| LUXEMBOURG | Signature | 04/06/1969 | |
| LUXEMBOURG | Ratification | 01/11/1976 | 30/01/1977 |
| MACEDONIA THE FYR OF | Succession | 18/01/1994 | 17/09/1991 |
| MADAGASCAR | Accession | 12/02/1964 | |
| MALAWI | Accession | 29/06/1966 | |
| MALI | Accession | 16/07/1974 | 14/10/1974 |
| MALTA | Accession | 09/07/1968 | |
| MALTA | Declaration | 09/07/1968 | |
| MAURITANIA | Accession | 04/05/1976 | 02/08/1976 |
| MAURITIUS | Accession | 12/03/1968 | |
| MAURITIUS | Declaration | 18/07/1969 | |
| MAURITIUS | Reservation | 18/07/1969 | |
| MEXICO | Declaration | 31/03/1953 | |
| MEXICO | Signature | 31/03/1953 | |
| MEXICO | Ratification | 23/03/1981 | 21/06/1981 |
| MOLDOVA REPUBLIC OF | Accession | 26/01/1993 | 26/04/1993 |
| MONGOLIA | Accession | 18/08/1965 | |
| MONGOLIA | Declaration | 18/08/1965 | |
| MONGOLIA | Withdrawal | 19/07/1990 | |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| MOROCCO | Accession | 22/11/1976 | 20/02/1977 |
| MOROCCO | Reservation | 22/11/1976 | 20/02/1977 |
| MYANMAR | Signature | 14/09/1954 | |
| NEPAL | Accession | 26/04/1966 | |
| NETHERLANDS THE | Signature | 08/08/1968 | |
| NETHERLANDS THE | Ratification | 30/07/1971 | |
| NETHERLANDS THE | Reservation | 30/07/1971 | |
| NETHERLANDS THE | Withdrawal | 17/12/1985 | 17/12/1985 |
| NETHERLANDS THE | Communication | 20/12/1999 | |
| NEW ZEALAND | Accession | 22/05/1968 | |
| NEW ZEALAND | Reservation | 22/05/1968 | |
| NICARAGUA | Accession | 17/01/1957 | |
| NIGER | Accession | 07/12/1964 | |
| NIGER | Notification | 07/12/1964 | |
| NIGERIA | Signature | 11/07/1980 | |
| NIGERIA | Ratification | 17/11/1980 | 15/02/1981 |
| NORWAY | Signature | 18/09/1953 | |
| NORWAY | Ratification | 24/08/1956 | |
| NORWAY | Objection | 24/08/1956 | |
| PAKISTAN | Signature | 18/05/1954 | |
| PAKISTAN | Reservation | 18/05/1954 | |
| PAKISTAN | Objection | 07/12/1954 | |
| PAKISTAN | Ratification | 07/12/1954 | |
| PALESTINE NATIONAL AUTHORITY | Communication | 06/02/2015 | |
| PALESTINE NATIONAL AUTHORITY | Communication | 06/02/2015 | |
| PALESTINE NATIONAL AUTHORITY | Communication | 06/02/2015 | |
| PAPUA NEW GUINEA | Accession | 27/01/1982 | 27/04/1982 |
| PARAGUAY | Signature | 16/11/1953 | |
| PARAGUAY | Ratification | 22/02/1990 | |
| PERU | Accession | 01/07/1975 | 29/09/1975 |
| PHILIPPINES | Signature | 23/09/1953 | |
| PHILIPPINES | Ratification | 12/09/1957 | |
| POLAND | Signature | 31/03/1953 | |
| POLAND | Ratification | 11/08/1954 | |
| POLAND | Declaration | 11/08/1954 | |
| POLAND | Reservation | 11/08/1954 | |
| ROMANIA | Signature | 27/04/1954 | |
| ROMANIA | Ratification | 06/08/1954 | |
| ROMANIA | Declaration | 06/08/1954 | |
| ROMANIA | Reservation | 06/08/1954 | |
| ROMANIA | Withdrawal Dec. | 02/04/1997 | |
| RUSSIAN FEDERATION | Signature | 31/03/1953 | |
| RUSSIAN FEDERATION | Ratification | 03/05/1954 | |
| RUSSIAN FEDERATION | Reservation | 03/05/1954 | |
| RUSSIAN FEDERATION | Withdrawal | 08/03/1989 | |
| RWANDA | Accession | 26/09/2003 | 25/12/2003 |
| SENEGAL | Accession | 02/05/1963 | |
| SENEGAL | Notification | 02/05/1963 | |
| SIERRA LEONE | Accession | 25/07/1962 | |
| SIERRA LEONE | Declaration | 25/07/1962 | |
| SLOVAK REPUBLIC | Succession | 28/05/1993 | 01/01/1993 |
| SLOVENIA | Succession | 06/07/1992 | 25/06/1991 |
| SOLOMON ISLANDS | Succession | 03/09/1981 | |
| SOLOMON ISLANDS | Declaration | 10/05/1982 | |
| SOUTH AFRICA | Signature | 29/01/1993 | |
| SPAIN | Accession | 14/01/1974 | 14/04/1974 |
| SPAIN | Reservation | 14/01/1974 | |
| ST VINCENT AND THE GRENADINES | Succession | 27/04/1999 | 27/10/1979 |
| ST VINCENT AND THE GRENADINES | Reservation | 27/04/1999 | |
| Suriname | Extension | 30/07/1971 | 01/01/1900 |
| Swaziland | Extension | 24/02/1967 | |
| SWAZILAND | Accession | 20/07/1970 | 18/10/1970 |
| SWAZILAND | Reservation | 20/07/1970 | 18/10/1970 |
| SWEDEN | Signature | 06/10/1953 | |
| SWEDEN | Ratification | 31/03/1954 | |
| SWEDEN | Objection | 31/03/1954 | |
| SWEDEN | Objection | 14/12/1999 | |
| TAIWAN | Signature | 09/06/1953 | |
| TAIWAN | Ratification | 21/12/1953 | |
| TAJIKISTAN | Accession | 07/06/1999 | |
| TANZANIA | Accession | 19/06/1975 | 17/09/1975 |
| THAILAND | Signature | 05/03/1954 | |
| THAILAND | Ratification | 30/11/1954 | |
| TONGA | Extension | 24/02/1967 | |
| TRINIDAD AND TOBAGO | Accession | 24/06/1966 | |
| TUNISIA | Accession | 24/01/1968 | |
| TUNISIA | Reservation | 24/01/1968 | |
| TURKEY | Signature | 12/01/1954 | |
| TURKEY | Ratification | 26/01/1960 | |
| TURKMENISTAN | Accession | 11/10/1999 | 09/01/2000 |
| UGANDA | Accession | 21/06/1995 | 19/09/1995 |
| UKRAINE | Signature | 31/03/1953 | |
| UKRAINE | Ratification | 15/11/1954 | |
| UKRAINE | Reservation | 15/11/1954 | |
| UKRAINE | Withdrawal | 20/04/1989 | |
| UNITED KINGDOM | Accession | 24/02/1967 | |
| UNITED KINGDOM | Reservation | 24/02/1967 | |
| UNITED KINGDOM | Withdrawal Res. | 24/11/1967 | |
| UNITED KINGDOM | Withdrawal Res. | 12/02/1968 | |
| UNITED KINGDOM | Statement | 17/06/1974 | |
| UNITED KINGDOM | Statement | 15/07/1974 | |
| UNITED KINGDOM | Withdrawal Res. | 15/10/1974 | |
| UNITED KINGDOM | Withdrawal Res. | 10/04/1995 | 04/01/1995 |
| UNITED KINGDOM | Notification | 10/06/1997 | 01/07/1997 |
| UNITED STATES OF AMERICA | Statement | 17/06/1974 | |
| UNITED STATES OF AMERICA | Statement | 15/07/1974 | |
| UNITED STATES OF AMERICA | Accession | 08/04/1976 | 07/07/1976 |
| URUGUAY | Signature | 26/05/1953 | |
| UZBEKISTAN | Accession | 29/09/1997 | 28/12/1997 |
| VENEZUELA | Accession | 31/05/1983 | 29/08/1983 |
| VENEZUELA | Reservation | 31/05/1983 | 29/08/1983 |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Accession | 09/02/1987 | 10/05/1987 |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Reservation | 09/02/1987 | 10/05/1987 |
| YUGOSLAVIA | Signature | 31/03/1953 | |
| YUGOSLAVIA | Ratification | 23/06/1954 | |
| YUGOSLAVIA | Objection | 23/06/1954 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Objection | 12/03/2001 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAIRE | Accession | 12/10/1977 | 10/01/1978 |
| ZAMBIA | Accession | 04/02/1972 | 04/05/1972 |
| ZIMBABWE | Accession | 05/06/1995 | 03/09/1995 |