| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 01/07/1968 | |
| AFGHANISTAN | Ratification | 05/03/1970 | |
| ALBANIA | Accession | 12/09/1990 | |
| ALGERIA | Accession | 12/01/1995 | |
| ANDORRA | Accession | 07/06/1996 | |
| Antigua | Extension | 27/11/1968 | |
| ANTIGUA AND BARBUDA | Succession | 17/06/1985 | |
| Antilles | Extension | 02/05/1975 | |
| ARGENTINA | Accession | 17/02/1995 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 27/02/1970 | |
| AUSTRALIA | Declaration | 27/02/1970 | |
| AUSTRALIA | Ratification | 23/01/1973 | |
| AUSTRALIA | Withdrawal Dec. | 29/08/1985 | |
| AUSTRIA | Signature | 01/07/1968 | 01/01/1900 |
| AUSTRIA | Ratification | 27/06/1969 | 01/01/1900 |
| BAHAMAS | Succession | 11/08/1976 | 16/07/1976 |
| BANGLADESH | Accession | 31/08/1979 | |
| BELARUS | Accession | 23/07/1993 | |
| BELARUS | Notification | 05/12/1994 | 05/12/1994 |
| BELGIUM | Signature | 20/08/1968 | 01/01/1900 |
| BELGIUM | Ratification | 02/05/1995 | 01/01/1900 |
| BELIZE | Succession | 09/08/1985 | 21/09/1981 |
| Berlin West | Extension | 02/05/1975 | |
| BOTSWANA | Ratification | 28/04/1968 | 01/01/1900 |
| BRAZIL | Accession | 18/09/1998 | 18/09/1998 |
| Brunei | Ratification | 27/11/1968 | |
| BULGARIA | Signature | 01/07/1968 | |
| BULGARIA | Ratification | 03/11/1969 | |
| BULGARIA | Objection | 10/02/1976 | |
| CANADA | Signature | 23/07/1968 | 01/01/1900 |
| CANADA | Ratification | 23/07/1968 | 01/01/1900 |
| Caribbean part of the Netherlands | Extension | 10/10/2010 | |
| CHAD | Ratification | 23/03/1971 | |
| CHINA | Accession | 09/03/1992 | |
| COLOMBIA | Accession | 30/04/1986 | |
| Curacao | Extension | 10/10/2010 | |
| CYPRUS | Signature | 01/07/1968 | 01/01/1900 |
| CYPRUS | Ratification | 05/03/1970 | 01/01/1900 |
| CZECH REPUBLIC | Succession | 05/04/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 01/07/1968 | 01/01/1900 |
| CZECHOSLOVAKIA | Ratification | 22/07/1969 | 01/01/1900 |
| DENMARK | Signature | 01/07/1968 | 01/01/1900 |
| DENMARK | Ratification | 03/01/1969 | 01/01/1900 |
| Dominica | Extension | 27/11/1968 | |
| DOMINICA, COMMONWEALTH OF | Succession | 10/08/1984 | 03/11/1978 |
| EGYPT | Signature | 01/07/1968 | |
| EGYPT | Ratification | 26/02/1981 | |
| EGYPT | Statement | 26/02/1981 | |
| ESTONIA | Accession | 07/01/1992 | |
| ETHIOPIA | Signature | 05/09/1968 | 01/01/1900 |
| ETHIOPIA | Ratification | 05/03/1970 | 01/01/1900 |
| FIJI | Succession | 14/08/1972 | 14/07/1972 |
| FINLAND | Signature | 01/07/1968 | 01/01/1900 |
| FINLAND | Ratification | 05/02/1969 | 01/01/1900 |
| FRANCE | Accession | 03/08/1992 | |
| GAMBIA THE | Signature | 04/09/1968 | 01/01/1900 |
| GERMAN DEMOCRATIC REPUBLIC | Objection | 12/11/1975 | |
| GERMANY FEDERAL REPUBLIC | Signature | 28/11/1969 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 28/11/1969 | |
| GERMANY FEDERAL REPUBLIC | Statement | 28/11/1969 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 02/05/1975 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 02/05/1975 | |
| GERMANY FEDERAL REPUBLIC | Statement | 02/05/1975 | |
| GHANA | Signature | 24/07/1968 | |
| GHANA | Ratification | 04/05/1970 | |
| Grenada | Extension | 27/11/1968 | |
| GRENADA | Succession | 02/09/1975 | |
| HOLY SEE | Accession | 25/02/1971 | |
| HOLY SEE | Declaration | 25/02/1971 | |
| HUNGARY | Signature | 01/07/1968 | |
| HUNGARY | Ratification | 27/05/1969 | |
| HUNGARY | Objection | 02/07/1975 | |
| ICELAND | Signature | 01/07/1968 | |
| ICELAND | Ratification | 18/07/1968 | |
| INDONESIA | Signature | 02/03/1970 | |
| INDONESIA | Declaration | 02/03/1970 | |
| INDONESIA | Ratification | 12/07/1979 | |
| INDONESIA | Declaration | 12/07/1979 | |
| IRAN | Signature | 01/07/1968 | |
| IRAN | Ratification | 05/03/1970 | |
| IRELAND, REPUBLIC OF | Signature | 04/07/1968 | |
| IRELAND, REPUBLIC OF | Ratification | 04/07/1968 | |
| ITALY | Signature | 28/01/1969 | |
| ITALY | Statement | 28/01/1969 | |
| ITALY | Ratification | 02/05/1975 | |
| ITALY | Statement | 02/05/1975 | |
| JAMAICA | Signature | 14/04/1969 | |
| JAMAICA | Ratification | 05/03/1970 | |
| JAPAN | Signature | 03/02/1970 | |
| JAPAN | Statement | 03/02/1970 | |
| JAPAN | Ratification | 08/06/1976 | |
| JAPAN | Statement | 08/06/1976 | |
| KAZAKHSTAN | Accession | 21/03/1994 | |
| KAZAKHSTAN | Notification | 05/12/1994 | 05/12/1994 |
| KIRIBATI | Succession | 18/04/1985 | |
| KUWAIT | Signature | 22/08/1968 | |
| LAOS | Signature | 01/07/1968 | |
| LAOS | Ratification | 05/03/1970 | |
| LATVIA | Accession | 31/01/1992 | |
| LEBANON | Signature | 01/07/1968 | |
| LEBANON | Ratification | 15/07/1970 | |
| LIBYA | Signature | 18/07/1968 | |
| LIBYA | Ratification | 26/05/1975 | |
| LIECHTENSTEIN | Accession | 20/04/1978 | |
| LIECHTENSTEIN | Declaration | 20/04/1978 | |
| LITHUANIA | Accession | 23/09/1991 | |
| LUXEMBOURG | Signature | 14/08/1968 | |
| LUXEMBOURG | Ratification | 02/05/1975 | |
| MACEDONIA THE FYR OF | Succession | 30/03/1995 | 17/11/1991 |
| MALAWI | Accession | 18/02/1986 | |
| MALAYSIA | Signature | 01/07/1968 | |
| MALAYSIA | Ratification | 05/03/1970 | |
| MAURITIUS | Ratification | 14/04/1969 | |
| MEXICO | Signature | 26/07/1968 | |
| MEXICO | Statement | 26/07/1968 | |
| MEXICO | Ratification | 21/01/1969 | |
| MONTENEGRO | Succession | 12/12/2006 | 03/06/2006 |
| MOROCCO | Signature | 01/07/1968 | |
| MOROCCO | Ratification | 30/11/1970 | |
| MOZAMBIQUE | Accession | 20/09/1990 | |
| NAMIBIA | Accession | 02/10/1992 | |
| NAURU | Accession | 07/06/1982 | |
| NEPAL | Signature | 01/07/1968 | |
| NEPAL | Ratification | 03/02/1970 | |
| NETHERLANDS THE | Signature | 20/08/1968 | |
| NETHERLANDS THE | Ratification | 02/05/1975 | |
| NEW ZEALAND | Signature | 01/07/1968 | |
| NEW ZEALAND | Ratification | 10/09/1969 | |
| NICARAGUA | Signature | 01/07/1968 | |
| NIGERIA | Signature | 01/07/1968 | |
| NIGERIA | Ratification | 27/09/1968 | |
| NORWAY | Signature | 01/07/1968 | |
| NORWAY | Ratification | 05/02/1969 | |
| PALESTINE NATIONAL AUTHORITY | Accession | 12/02/2015 | |
| PAPUA NEW GUINEA | Accession | 13/01/1982 | |
| PARAGUAY | Ratification | 05/03/1970 | |
| PHILIPPINES | Ratification | 16/10/1972 | |
| POLAND | Signature | 01/07/1968 | |
| POLAND | Ratification | 12/06/1969 | |
| PORTUGAL | Accession | 15/12/1977 | |
| QATAR | Accession | 03/04/1989 | |
| ROMANIA | Signature | 01/07/1968 | |
| ROMANIA | Ratification | 04/02/1970 | |
| RWANDA | Accession | 20/05/1975 | |
| SAINT LUCIA | Succession | 28/12/1979 | |
| SAN MARINO | Signature | 29/07/1968 | |
| SAN MARINO | Ratification | 10/08/1970 | |
| SENEGAL | Signature | 26/07/1968 | |
| SENEGAL | Ratification | 15/01/1971 | |
| SERBIA | Declaration | 30/06/2006 | |
| SEYCHELLES | Accession | 12/03/1985 | |
| SIERRA LEONE | Accession | 26/02/1975 | |
| SINGAPORE | Signature | 05/02/1970 | |
| SINGAPORE | Ratification | 10/03/1976 | |
| Sint Maarten | Extension | 10/10/2010 | |
| SLOVAK REPUBLIC | Succession | 17/04/1993 | 01/01/1993 |
| SLOVENIA | Succession | 07/04/1992 | |
| Solomon Islands | Ratification | 27/11/1968 | |
| SOLOMON ISLANDS | Succession | 17/06/1981 | 07/07/1978 |
| SOMALI DEMOCRATIC REPUBLIC | Signature | 01/07/1968 | |
| SOMALI DEMOCRATIC REPUBLIC | Ratification | 05/03/1970 | |
| SOVIET UNION | Signature | 01/07/1968 | 01/01/1900 |
| SOVIET UNION | Ratification | 05/03/1970 | 01/01/1900 |
| SPAIN | Accession | 05/11/1987 | |
| SRI LANKA | Signature | 01/07/1968 | 01/01/1900 |
| SRI LANKA | Ratification | 05/03/1979 | 01/01/1900 |
| St Christopher, Nevis and Anguilla | Ratification | 27/11/1968 | |
| St Lucia | Ratification | 27/11/1968 | |
| ST VINCENT AND THE GRENADINES | Succession | 06/11/1984 | 27/10/1979 |
| SUDAN | Ratification | 10/12/1973 | |
| Suriname | Extension | 02/05/1975 | |
| SWAZILAND | Signature | 24/06/1969 | |
| SWAZILAND | Ratification | 11/12/1969 | |
| SWEDEN | Signature | 19/08/1968 | |
| SWEDEN | Ratification | 09/01/1970 | |
| SWITZERLAND | Signature | 27/11/1969 | |
| SWITZERLAND | Reservation | 27/11/1969 | |
| SWITZERLAND | Declaration | 27/11/1969 | |
| SWITZERLAND | Ratification | 09/03/1977 | |
| SWITZERLAND | Declaration | 09/03/1977 | |
| TANZANIA | Accession | 31/05/1991 | |
| THAILAND | Accession | 07/12/1972 | |
| TIMOR-LESTE | Accession | 05/05/2003 | 01/01/1900 |
| Tonga | Extension | 27/11/1968 | |
| TONGA | Succession | 07/07/1971 | |
| TRINIDAD AND TOBAGO | Signature | 22/08/1968 | |
| TRINIDAD AND TOBAGO | Ratification | 30/10/1986 | |
| TUNISIA | Signature | 01/07/1968 | |
| TUNISIA | Ratification | 26/02/1970 | |
| TURKEY | Signature | 28/01/1969 | |
| TURKEY | Ratification | 17/04/1980 | |
| TURKEY | Declaration | 17/04/1980 | |
| TUVALU | Succession | 19/01/1979 | |
| UKRAINE | Accession | 05/12/1994 | |
| UKRAINE | Notification | 05/12/1994 | 05/12/1994 |
| UNITED KINGDOM | Signature | 01/07/1968 | |
| UNITED KINGDOM | Statement | 03/07/1968 | |
| UNITED KINGDOM | Statement | 27/11/1968 | |
| UNITED KINGDOM | Declaration | 27/11/1968 | |
| UNITED KINGDOM | Ratification | 27/11/1968 | |
| UNITED KINGDOM | Notification | 19/06/1997 | 01/07/1997 |
| UNITED STATES OF AMERICA | Signature | 01/07/1968 | |
| UNITED STATES OF AMERICA | Ratification | 05/03/1970 | |
| UNITED STATES OF AMERICA | Communication | 21/04/2015 | |
| VANUATU | Accession | 24/08/1995 | |
| VENEZUELA | Ratification | 25/09/1975 | |
| WESTERN SAMOA | Accession | 26/03/1975 | |
| YEMEN ARAB REPUBLIC | Ratification | 14/05/1986 | 14/05/1986 |
| YUGOSLAVIA | Signature | 10/07/1968 | |
| YUGOSLAVIA | Ratification | 05/03/1970 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 10/10/2001 | 27/04/1992 |
| ZAIRE | Signature | 17/09/1968 | |
| ZAMBIA | Accession | 22/05/1991 | 14/05/1991 |
| ZIMBABWE | Accession | 26/09/1991 | |