| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 10/04/1972 | |
| AFGHANISTAN | Ratification | 26/03/1975 | |
| ALBANIA | Accession | 11/08/1992 | 11/08/1992 |
| ALGERIA | Accession | 28/09/2001 | 28/09/2001 |
| ANTIGUA AND BARBUDA | Accession | 29/01/2003 | |
| Antilles | Extension | 22/06/1981 | |
| ARGENTINA | Signature | 03/08/1972 | |
| ARGENTINA | Ratification | 05/12/1979 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 10/04/1972 | |
| AUSTRALIA | Ratification | 05/10/1977 | |
| AUSTRIA | Signature | 10/04/1972 | |
| AUSTRIA | Ratification | 10/08/1973 | |
| AUSTRIA | Reservation | 10/08/1973 | |
| AZERBAIJAN | Accession | 26/02/2004 | 01/01/1900 |
| BAHAMAS | Accession | 26/11/1986 | |
| BAHRAIN | Accession | 28/10/1988 | |
| BAHRAIN | Reservation | 28/10/1988 | |
| BANGLADESH | Accession | 13/03/1985 | |
| BELGIUM | Signature | 10/04/1972 | |
| BELGIUM | Ratification | 15/03/1979 | |
| BELIZE | Succession | 20/10/1986 | |
| BRAZIL | Signature | 10/04/1972 | |
| BRAZIL | Ratification | 27/02/1973 | |
| British Solomon Islands | Extension | 26/03/1975 | |
| Brunei | Extension | 26/03/1975 | |
| BRUNEI DARUSSALAM | Accession | 31/01/1991 | 31/01/1991 |
| BULGARIA | Signature | 10/04/1972 | |
| BULGARIA | Ratification | 02/08/1972 | |
| BURMA | Signature | 10/04/1972 | |
| BURMA | Ratification | 01/12/2014 | 01/12/2014 |
| BURUNDI | Ratification | 16/06/2000 | 18/10/2011 |
| CANADA | Signature | 10/04/1972 | |
| CANADA | Ratification | 18/09/1972 | |
| CEYLON | Signature | 10/04/1972 | |
| CEYLON | Ratification | 18/11/1986 | |
| CHILE | Signature | 10/04/1972 | |
| CHILE | Ratification | 22/04/1980 | |
| CHINA P R | Accession | 15/11/1984 | |
| CHINA P R | Statement | 15/11/1984 | |
| COOK ISLANDS | Accession | 04/12/2008 | 04/12/2008 |
| COTE D'IVOIRE | Ratification | 26/04/2016 | |
| CYPRUS | Signature | 10/04/1972 | |
| CYPRUS | Ratification | 06/11/1973 | |
| CZECH REPUBLIC | Succession | 05/04/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 10/04/1972 | |
| CZECHOSLOVAKIA | Ratification | 30/04/1973 | |
| DENMARK | Signature | 10/04/1972 | |
| DENMARK | Ratification | 01/03/1973 | |
| Dominica | Extension | 26/03/1975 | |
| DOMINICA, COMMONWEALTH OF | Succession | 03/11/1978 | 03/11/1978 |
| EGYPT | Signature | 10/04/1972 | |
| ETHIOPIA | Signature | 10/04/1972 | |
| ETHIOPIA | Ratification | 26/05/1975 | |
| FIJI | Signature | 22/02/1973 | |
| FIJI | Ratification | 01/10/1973 | |
| FINLAND | Signature | 10/04/1972 | |
| FINLAND | Ratification | 04/02/1974 | |
| FRANCE | Accession | 27/09/1984 | |
| GABON | Signature | 10/04/1972 | |
| GAMBIA THE | Signature | 08/08/1972 | |
| GAMBIA THE | Ratification | 28/04/1997 | |
| GEORGIA | Accession | 22/05/1996 | |
| GERMANY FEDERAL REPUBLIC | Signature | 10/04/1972 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 07/04/1983 | |
| GHANA | Ratification | 06/06/1975 | |
| GREECE | Signature | 10/04/1972 | |
| GRENADA | Accession | 22/10/1986 | |
| GUINEA | Accession | 09/11/2016 | |
| HUNGARY | Signature | 10/04/1972 | |
| HUNGARY | Ratification | 27/12/1972 | |
| ICELAND | Signature | 10/04/1972 | |
| ICELAND | Ratification | 15/02/1973 | |
| INDIA | Statement | | 15/01/1973 |
| INDIA | Signature | 15/01/1973 | |
| INDIA | Ratification | 15/07/1974 | |
| INDIA | Statement | 15/07/1974 | |
| INDONESIA | Signature | 21/06/1972 | |
| INDONESIA | Ratification | 19/02/1992 | |
| IRAN | Signature | 16/11/1972 | |
| IRAN | Ratification | 22/08/1973 | |
| IRELAND, REPUBLIC OF | Signature | 10/04/1972 | |
| IRELAND, REPUBLIC OF | Declaration | 10/04/1972 | |
| IRELAND, REPUBLIC OF | Ratification | 27/10/1972 | |
| ITALY | Signature | 10/04/1972 | |
| ITALY | Ratification | 30/05/1975 | |
| JAMAICA | Accession | 13/08/1975 | |
| JAPAN | Signature | 10/04/1972 | |
| JAPAN | Ratification | 18/06/1982 | |
| JORDAN | Signature | 17/04/1972 | |
| JORDAN | Ratification | 27/06/1975 | |
| KAZAKHSTAN | Accession | 15/06/2007 | 15/06/2007 |
| KENYA | Accession | 07/01/1976 | |
| KOREA REPUBLIC OF | Signature | 10/04/1972 | |
| KOREA REPUBLIC OF | Statement | 10/04/1972 | |
| KOREA REPUBLIC OF | Ratification | 25/06/1987 | |
| KUWAIT | Signature | 27/04/1972 | |
| KUWAIT | Ratification | 26/07/1972 | |
| KUWAIT | Understanding | 26/07/1972 | |
| LAOS | Signature | 10/04/1972 | |
| LAOS | Ratification | 25/04/1973 | |
| LATVIA | Accession | 06/02/1997 | |
| LEBANON | Signature | 10/04/1972 | |
| LEBANON | Ratification | 26/03/1975 | |
| LESOTHO | Ratification | 06/09/1977 | |
| LIBERIA | Signature | 14/04/1972 | |
| LIECHTENSTEIN | Accession | 06/06/1991 | 06/06/1991 |
| LITHUANIA | Accession | 10/02/1998 | |
| LUXEMBOURG | Signature | 10/04/1972 | |
| LUXEMBOURG | Ratification | 23/03/1976 | |
| LUXEMBOURG | Declaration | 06/05/2005 | |
| MACEDONIA THE FYR OF | Succession | 14/03/1997 | 17/11/1991 |
| MADAGASCAR | Signature | 13/10/1972 | |
| MALAYSIA | Signature | 10/04/1972 | |
| MALAYSIA | Ratification | 06/09/1991 | 06/09/1991 |
| MALAYSIA | Reservation | 06/09/1991 | |
| MALTA | Signature | 11/09/1972 | |
| MALTA | Ratification | 07/04/1975 | |
| MAURITANIA | Accession | 28/01/2015 | 28/01/2015 |
| MAURITIUS | Ratification | 11/01/1973 | |
| MEXICO | Signature | 10/04/1972 | |
| MEXICO | Statement | 10/04/1972 | |
| MEXICO | Ratification | 08/04/1974 | |
| MOLDOVA REPUBLIC OF | Accession | 28/01/2005 | 01/01/1900 |
| MONACO | Accession | 30/04/1999 | 30/04/1999 |
| MONGOLIA | Signature | 10/04/1972 | |
| MONGOLIA | Ratification | 14/09/1972 | |
| MONTENEGRO | Succession | 12/12/2006 | 03/06/2006 |
| MOROCCO | Signature | 02/05/1972 | |
| MOROCCO | Ratification | 21/03/2002 | 21/03/2002 |
| MOZAMBIQUE | Accession | 29/03/2011 | 29/03/2011 |
| NAMIBIA | Accession | 25/02/2022 | |
| NEPAL | Signature | 10/04/1972 | |
| NEPAL | Ratification | 04/11/2016 | |
| NETHERLANDS THE | Signature | 10/04/1972 | |
| NETHERLANDS THE | Ratification | 22/06/1981 | |
| New Hebrides | Extension | 26/03/1975 | |
| NEW ZEALAND | Signature | 10/04/1972 | |
| NEW ZEALAND | Ratification | 18/12/1972 | |
| NICARAGUA | Signature | 10/04/1982 | |
| NIGERIA | Signature | 10/07/1972 | |
| NIGERIA | Ratification | 09/07/1973 | |
| NORWAY | Signature | 10/04/1972 | |
| NORWAY | Ratification | 01/08/1973 | |
| PAKISTAN | Signature | 10/04/1972 | |
| PAKISTAN | Ratification | 03/10/1974 | |
| PALESTINE (INCL. PLO) | Accession | 09/01/2018 | 09/01/2018 |
| PAPUA NEW GUINEA | Accession | 27/10/1980 | |
| PERU | Signature | 10/04/1972 | |
| PERU | Ratification | 05/06/1985 | |
| PHILIPPINES | Signature | 10/04/1972 | |
| POLAND | Signature | 10/04/1972 | |
| POLAND | Ratification | 25/01/1973 | |
| PORTUGAL | Ratification | 15/05/1975 | |
| QATAR | Signature | 14/11/1972 | |
| QATAR | Ratification | 17/04/1975 | |
| ROMANIA | Signature | 10/04/1972 | |
| ROMANIA | Ratification | 26/07/1979 | |
| RWANDA | Ratification | 20/05/1975 | |
| SAINT LUCIA | Succession | 26/11/1986 | |
| SAN MARINO | Signature | 21/03/1973 | |
| SAN MARINO | Ratification | 11/03/1975 | |
| SERBIA | Declaration | 30/06/2006 | |
| SEYCHELLES | Accession | 11/10/1979 | |
| SIERRA LEONE | Signature | 24/11/1972 | |
| SIERRA LEONE | Ratification | 29/06/1976 | |
| SINGAPORE | Signature | 19/06/1972 | |
| SINGAPORE | Ratification | 02/12/1975 | |
| SLOVAK REPUBLIC | Succession | 17/05/1993 | 01/01/1993 |
| SLOVENIA | Succession | 07/04/1992 | |
| SOLOMON ISLANDS | Succession | 17/06/1981 | |
| SOVIET UNION | Signature | 10/04/1972 | |
| SOVIET UNION | Ratification | 26/03/1975 | |
| SPAIN | Signature | 10/04/1972 | |
| SPAIN | Ratification | 20/06/1979 | |
| SRI LANKA | Ratification | 18/11/1986 | |
| ST KITTS AND NEVIS | Accession | 02/04/1991 | 02/04/1991 |
| ST VINCENT AND THE GRENADINES | Succession | 13/05/1999 | 27/10/1979 |
| SUDAN | Accession | 17/10/2003 | 01/01/1900 |
| SURINAME | Accession | 06/01/1993 | 06/01/1993 |
| SWAZILAND | Accession | 18/06/1991 | 18/06/1991 |
| SWEDEN | Signature | 27/02/1975 | |
| SWEDEN | Ratification | 05/02/1976 | |
| SWITZERLAND | Signature | 10/04/1972 | |
| SWITZERLAND | Declaration | 10/04/1972 | |
| SWITZERLAND | Ratification | 04/05/1976 | |
| SWITZERLAND | Reservation | 04/05/1976 | |
| TANZANIA | Signature | 16/08/1972 | |
| TANZANIA | Ratification | 14/08/2019 | 14/08/2019 |
| TONGA | Accession | 28/09/1976 | |
| TRINIDAD AND TOBAGO | Accession | 19/07/2007 | 19/07/2007 |
| TUNISIA | Signature | 10/04/1972 | |
| TUNISIA | Ratification | 06/06/1973 | |
| TURKEY | Signature | 10/04/1972 | |
| TURKEY | Ratification | 04/11/1974 | |
| UK Responsibility Territories | Extension | 26/03/1975 | |
| UNITED ARAB EMIRATES | Signature | 28/09/1972 | |
| UNITED ARAB EMIRATES | Ratification | 19/06/2008 | 19/06/2008 |
| UNITED KINGDOM | Signature | 10/04/1972 | |
| UNITED KINGDOM | Statement | 27/04/1972 | |
| UNITED KINGDOM | Declaration | 26/03/1975 | |
| UNITED KINGDOM | Ratification | 26/03/1975 | |
| UNITED KINGDOM | Notification | 19/06/1997 | 01/07/1997 |
| UNITED STATES OF AMERICA | Signature | 10/04/1972 | |
| UNITED STATES OF AMERICA | Ratification | 26/03/1975 | |
| VANUATU | Succession | 30/07/1980 | 30/07/1980 |
| VENEZUELA | Ratification | 18/10/1978 | |
| YEMEN ARAB REPUBLIC | Signature | 10/05/1972 | |
| YUGOSLAVIA | Signature | 10/04/1972 | |
| YUGOSLAVIA | Ratification | 25/10/1973 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 13/06/2001 | |
| ZAIRE | Ratification | 16/09/1975 | |
| ZAMBIA | Accession | 15/01/2008 | 15/01/2008 |
| ZIMBABWE | Accession | 05/11/1990 | 05/11/1990 |