| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 11/02/1971 | |
| AFGHANISTAN | Ratification | 22/04/1971 | |
| Antigua | Extension | 18/05/1972 | |
| ANTIGUA AND BARBUDA | Succession | 26/01/1989 | 01/11/1981 |
| Antilles | Extension | 14/01/1976 | |
| ARGENTINA | Signature | 03/09/1971 | |
| ARGENTINA | Statement | 03/09/1971 | |
| ARGENTINA | Ratification | 21/03/1983 | |
| ARGENTINA | Declaration | 21/03/1983 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 11/02/1971 | |
| AUSTRALIA | Ratification | 23/01/1973 | |
| AUSTRALIA | Objection | 04/03/1987 | |
| AUSTRIA | Signature | 11/02/1971 | |
| AUSTRIA | Ratification | 10/08/1972 | |
| BAHAMAS | Succession | | 10/07/1973 |
| BELGIUM | Signature | 11/02/1971 | |
| BELGIUM | Ratification | 20/11/1972 | |
| BENIN | Ratification | 02/07/1986 | |
| Berlin West | Extension | 18/11/1975 | |
| BOLIVIA | Signature | 11/02/1971 | |
| BRAZIL | Statement | 03/09/1971 | |
| BRAZIL | Signature | 03/09/1971 | |
| BRAZIL | Ratification | 10/05/1988 | |
| BRAZIL | Statement | 10/05/1988 | |
| British Solomon Islands | Extension | 18/05/1972 | |
| Brunei | Extension | 18/05/1972 | |
| BULGARIA | Signature | 11/02/1971 | |
| BULGARIA | Ratification | 26/05/1971 | |
| BURMA | Signature | 11/02/1971 | |
| CANADA | Signature | 11/02/1971 | |
| CANADA | Ratification | 17/05/1972 | |
| CANADA | Declaration | 17/05/1972 | |
| Caribbean part of the Netherlands | Extension | 10/10/2010 | |
| CHINA P R | Accession | 28/02/1991 | |
| CHINA P R | Declaration | 28/02/1991 | |
| Curacao | Extension | 10/10/2010 | |
| CYPRUS | Signature | 11/02/1971 | |
| CYPRUS | Ratification | 17/11/1971 | |
| CZECH REPUBLIC | Succession | 05/04/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 11/02/1971 | |
| CZECHOSLOVAKIA | Ratification | 11/01/1972 | |
| DENMARK | Signature | 11/02/1971 | |
| DENMARK | Ratification | 15/06/1971 | |
| Dominica | Extension | 18/05/1972 | |
| ETHIOPIA | Signature | 11/02/1971 | |
| ETHIOPIA | Ratification | 12/07/1977 | |
| FINLAND | Signature | 11/02/1971 | |
| FINLAND | Ratification | 08/06/1971 | |
| GAMBIA THE | Signature | 18/05/1971 | |
| GERMANY FEDERAL REPUBLIC | Signature | 08/06/1971 | |
| GERMANY FEDERAL REPUBLIC | Statement | 08/06/1971 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 18/11/1975 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 18/11/1975 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 12/04/1976 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 14/07/1981 | |
| GERMANY FEDERAL REPUBLIC | Objection | 14/10/1985 | |
| GHANA | Signature | 11/02/1971 | |
| GREECE | Ratification | 28/05/1985 | |
| GRENADA | Succession | | 07/02/1974 |
| Grenada | Extension | 18/05/1972 | |
| HUNGARY | Signature | 11/02/1971 | |
| HUNGARY | Ratification | 13/08/1971 | |
| HUNGARY | Objection | 13/09/1976 | |
| ICELAND | Signature | 11/02/1971 | |
| ICELAND | Ratification | 30/05/1972 | |
| INDIA | Accession | 20/07/1973 | |
| INDIA | Statement | 20/07/1973 | |
| IRAN | Signature | 11/02/1971 | |
| IRAN | Ratification | 26/08/1971 | |
| IRELAND, REPUBLIC OF | Signature | 11/02/1971 | |
| IRELAND, REPUBLIC OF | Ratification | 19/08/1971 | |
| ITALY | Signature | 11/02/1971 | |
| ITALY | Statement | 11/02/1971 | |
| ITALY | Ratification | 03/09/1974 | |
| ITALY | Statement | 03/09/1974 | |
| JAMAICA | Signature | 11/10/1971 | |
| JAMAICA | Ratification | 30/07/1986 | |
| JAPAN | Signature | 11/02/1971 | |
| JAPAN | Ratification | 21/06/1971 | |
| JORDAN | Signature | 11/02/1971 | |
| JORDAN | Ratification | 01/11/1971 | |
| KOREA REPUBLIC OF | Signature | 11/02/1971 | |
| KOREA REPUBLIC OF | Statement | 11/02/1971 | |
| KOREA REPUBLIC OF | Ratification | 25/06/1987 | |
| LAOS | Signature | 11/02/1971 | |
| LAOS | Ratification | 19/10/1971 | |
| LATVIA | Accession | 24/06/1992 | |
| LEBANON | Signature | 11/02/1971 | |
| LIECHTENSTEIN | Accession | 30/05/1991 | |
| LUXEMBOURG | Signature | 11/02/1971 | |
| LUXEMBOURG | Ratification | 11/11/1982 | |
| MALAYSIA | Signature | 20/05/1971 | |
| MALAYSIA | Ratification | 21/06/1972 | |
| MALTA | Signature | 11/02/1971 | |
| MAURITIUS | Ratification | 03/05/1971 | |
| MEXICO | Accession | 23/03/1984 | |
| MEXICO | Declaration | 23/03/1984 | |
| MONGOLIA | Signature | 11/02/1971 | |
| MONGOLIA | Ratification | 15/11/1971 | |
| MONTENEGRO | Succession | 12/12/2006 | 03/06/2006 |
| MOROCCO | Signature | 18/02/1971 | |
| MOROCCO | Ratification | 26/07/1971 | |
| NEPAL | Signature | 24/02/1971 | |
| NEPAL | Ratification | 06/07/1971 | |
| NETHERLANDS THE | Signature | 11/02/1971 | |
| NETHERLANDS THE | Ratification | 14/01/1976 | |
| NEW ZEALAND | Signature | 11/02/1971 | |
| NEW ZEALAND | Ratification | 24/02/1972 | |
| NORWAY | Signature | 11/02/1971 | |
| NORWAY | Ratification | 28/06/1971 | |
| PHILIPPINES | Accession | 05/11/1993 | |
| POLAND | Signature | 11/02/1971 | |
| POLAND | Ratification | 15/11/1971 | |
| PORTUGAL | Accession | 24/06/1975 | |
| QATAR | Accession | 12/11/1974 | |
| ROMANIA | Signature | 11/02/1971 | |
| ROMANIA | Statement | 01/06/1971 | |
| ROMANIA | Ratification | 10/07/1972 | |
| ROMANIA | Statement | 10/07/1972 | |
| RWANDA | Ratification | 20/05/1975 | |
| SEYCHELLES | Accession | 12/03/1985 | |
| SIERRA LEONE | Signature | 11/02/1971 | |
| SINGAPORE | Signature | 05/05/1971 | |
| SINGAPORE | Ratification | 10/09/1976 | |
| Sint Maarten | Extension | 10/10/2010 | |
| SLOVAK REPUBLIC | Succession | | 01/01/1993 |
| SLOVENIA | Succession | 07/04/1992 | |
| SOLOMON ISLANDS | Succession | 17/06/1981 | 07/07/1978 |
| SOUTH AFRICA | Ratification | 26/11/1973 | |
| SOVIET UNION | Signature | 11/02/1971 | |
| SOVIET UNION | Statement | 02/07/1971 | |
| SOVIET UNION | Ratification | 18/05/1972 | |
| SOVIET UNION | Objection | 10/05/1976 | |
| SPAIN | Accession | 15/07/1987 | |
| St Christopher, Nevis and Anguilla | Extension | 18/05/1972 | |
| St Lucia | Extension | 18/05/1972 | |
| St Vincent | Extension | 18/05/1972 | |
| ST VINCENT AND THE GRENADINES | Succession | 13/05/1999 | 27/10/1979 |
| SUDAN | Signature | 11/02/1971 | |
| SWEDEN | Signature | 11/02/1971 | |
| SWEDEN | Ratification | 28/04/1972 | |
| SWITZERLAND | Signature | 11/02/1971 | |
| SWITZERLAND | Ratification | 04/05/1976 | |
| TUNISIA | Signature | 11/02/1971 | |
| TUNISIA | Ratification | 28/10/1971 | |
| TURKEY | Signature | 25/02/1971 | |
| TURKEY | Ratification | 25/10/1972 | |
| UNITED KINGDOM | Signature | 11/02/1971 | |
| UNITED KINGDOM | Statement | 18/02/1971 | |
| UNITED KINGDOM | Ratification | 18/05/1972 | |
| UNITED KINGDOM | Objection | 23/04/1975 | |
| UNITED KINGDOM | Notification | 09/08/1976 | |
| UNITED KINGDOM | Notification | 31/12/1976 | |
| UNITED KINGDOM | Notification | 19/06/1997 | 01/07/1997 |
| UNITED STATES OF AMERICA | Signature | 11/02/1971 | |
| UNITED STATES OF AMERICA | Ratification | 18/05/1972 | |
| YUGOSLAVIA | Signature | 02/03/1971 | |
| YUGOSLAVIA | Ratification | 25/10/1973 | |
| YUGOSLAVIA | Declaration | 20/02/1974 | |
| ZAMBIA | Accession | 09/10/1972 | |