| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Ratification | 29/11/1965 | |
| ANDORRA | Adherence | 25/02/2001 | 25/02/2001 |
| ANGOLA | Ratification | 10/04/1977 | |
| ANTIGUA AND BARBUDA | Ratification | 17/10/1988 | |
| ARGENTINA | Ratification | 19/11/1963 | |
| AUSTRALIA | Ratification | 19/01/1962 | |
| AUSTRIA | Ratification | 17/07/1962 | |
| BAHAMAS | Ratification | 25/07/1975 | |
| BAHRAIN | Ratification | 01/11/1972 | |
| BELARUS | Ratification | 24/07/1996 | |
| BELGIUM | Ratification | 15/02/1962 | |
| BOSNIA AND HERZEGOVINA | Succession | 07/03/1995 | |
| BRAZIL | Ratification | 06/03/1969 | |
| BRUNEI DARUSSALAM | Ratification | 25/08/2000 | |
| BULGARIA | Ratification | 16/12/1969 | |
| CAMEROON | Ratification | 14/11/1961 | |
| CANADA | Ratification | 17/10/1961 | |
| CENTRAL AFRICAN REPUBLIC | Ratification | 22/05/1962 | |
| CEYLON | Ratification | 28/05/1962 | |
| CHAD | Ratification | 28/08/1964 | |
| CHILE | Ratification | 20/12/1967 | |
| CHINA | Ratification | 10/08/1962 | |
| CHINA P R | Ratification | 28/02/1974 | |
| CONGO, PEOPLES REPUBLIC OF | Ratification | 26/05/1962 | |
| COSTA RICA | Ratification | 09/01/1964 | |
| CROATIA | Ratification | 05/10/1993 | |
| CUBA | Ratification | 29/10/1962 | |
| CYPRUS | Ratification | 31/07/1962 | |
| CZECH REPUBLIC | Ratification | 15/04/1993 | |
| CZECHOSLOVAKIA | Ratification | 09/03/1962 | |
| DAHOMEY | Ratification | 30/03/1962 | |
| DENMARK | Ratification | 15/05/1962 | |
| DOMINICAN REPUBLIC | Ratification | 24/10/1961 | |
| ECUADOR | Ratification | 11/01/1965 | |
| ERITREA | Ratification | 06/06/1995 | |
| ESTONIA | Ratification | 21/08/1992 | |
| ETHIOPIA | Ratification | 23/01/1963 | |
| FIJI | Ratification | 04/04/1973 | |
| FINLAND | Ratification | 18/09/1961 | |
| FRANCE | Ratification | 20/11/1962 | |
| GAMBIA THE | Ratification | 25/01/1978 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 16/08/1962 | |
| GHANA | Ratification | 16/04/1962 | |
| GREECE | Ratification | 26/05/1965 | |
| GUATEMALA | Ratification | 20/02/1997 | |
| GUINEA | Ratification | 21/08/1961 | |
| HONDURAS | Ratification | 20/12/1962 | |
| HONG KONG SAR | Application | 05/06/1997 | 01/07/1997 |
| HUNGARY | Ratification | 30/10/1970 | |
| INDIA | Ratification | 18/12/1961 | |
| INDONESIA | Ratification | 28/07/1961 | |
| IRAN | Ratification | 17/06/1994 | |
| IRAQ | Ratification | 03/10/1973 | |
| IRELAND, REPUBLIC OF | Ratification | 09/04/1962 | |
| ISRAEL | Ratification | 12/02/1962 | |
| ITALY | Ratification | 17/05/1963 | |
| IVORY COAST | Ratification | 14/11/1961 | |
| JAMAICA | Ratification | 18/10/1963 | |
| JAPAN | Ratification | 04/06/1962 | |
| JORDAN | Ratification | 27/07/1961 | |
| KENYA | Ratification | 31/05/1964 | |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Ratification | 27/06/1978 | |
| KOREA REPUBLIC OF | Ratification | 16/02/1962 | |
| KUWAIT | Ratification | 03/07/1962 | |
| LAOS | Ratification | 07/03/1962 | |
| LEBANON | Ratification | 18/06/1962 | |
| LESOTHO | Ratification | 11/09/1975 | |
| LIBYA | Ratification | 17/08/1962 | |
| LUXEMBOURG | Ratification | 03/10/1963 | |
| MACEDONIA THE FYR OF | Ratification | 03/09/1997 | |
| MALAGASY REPUBLIC | Ratification | 07/12/1962 | |
| MALAWI | Ratification | 30/11/1964 | |
| MALAYA | Ratification | 03/10/1961 | |
| MALI | Ratification | 12/07/1961 | |
| MALTA | Ratification | 25/05/1965 | |
| MAURITANIA | Ratification | 02/04/1962 | |
| MAURITIUS | Ratification | 01/09/1970 | |
| MEXICO | Ratification | 09/04/1962 | |
| MOLDOVA REPUBLIC OF | Ratification | 22/12/1994 | |
| MOROCCO | Ratification | 08/12/1964 | |
| NETHERLANDS THE | Ratification | 08/05/1962 | |
| NEW ZEALAND | Ratification | 14/05/1962 | |
| NICARAGUA | Ratification | 17/11/1961 | |
| NIGER | Ratification | 14/09/1961 | |
| NIGERIA | Ratification | 07/03/1962 | |
| NORWAY | Ratification | 10/10/1961 | |
| PAKISTAN | Ratification | 30/04/1962 | |
| PANAMA | Ratification | 09/07/1962 | |
| PAPUA NEW GUINEA | Ratification | 25/07/1979 | |
| PARAGUAY | Ratification | 26/05/1969 | |
| PERU | Ratification | 12/03/1964 | |
| PHILIPPINES | Ratification | 12/11/1962 | |
| POLAND | Ratification | 23/05/1962 | |
| PORTUGAL | Ratification | 29/05/1962 | |
| ROMANIA | Ratification | 31/05/1966 | |
| RWANDA | Ratification | 15/11/1965 | |
| SALVADOR | Ratification | 22/01/1963 | |
| Sao Tome And Principe | Ratification | 18/09/1980 | |
| SAUDI ARABIA | Ratification | 25/02/1966 | |
| SENEGAL | Ratification | 05/03/1962 | |
| SEYCHELLES | Ratification | 22/01/1981 | |
| SIERRA LEONE | Ratification | 15/05/1962 | |
| SINGAPORE | Ratification | 04/01/1967 | |
| SLOVAK REPUBLIC | Succession | 20/03/1995 | |
| SLOVENIA | Ratification | 08/03/2000 | |
| SOMALIA | Ratification | 30/09/1964 | |
| SOUTH AFRICA | Ratification | 13/02/1962 | |
| SOVIET UNION | Ratification | 04/05/1971 | |
| SPAIN | Ratification | 02/04/1962 | |
| ST KITTS AND NEVIS | Adherence | 20/06/2002 | |
| SUDAN | Ratification | 31/05/1962 | |
| SURINAME | Ratification | 27/03/2003 | 01/01/1900 |
| SWAZILAND | Ratification | 31/01/1974 | |
| SWEDEN | Ratification | 28/12/1961 | |
| SWITZERLAND | Ratification | 22/05/1962 | |
| SYRIA | Ratification | 16/07/1962 | |
| TANGANYIKA | Ratification | 10/04/1963 | |
| THAILAND | Ratification | 17/01/1962 | |
| TONGA | Ratification | 05/02/2002 | |
| TUNISIA | Ratification | 27/12/1961 | |
| TURKEY | Ratification | 28/09/1965 | |
| TURKMENISTAN | Ratification | 14/04/1993 | |
| UGANDA | Ratification | 16/09/1976 | |
| UKRAINE | Ratification | 21/01/2003 | |
| UNITED ARAB REPUBLIC | Ratification | 27/02/1962 | |
| UNITED KINGDOM | Ratification | 04/01/1962 | |
| UNITED KINGDOM | Notification | 19/06/1997 | 01/07/1997 |
| UNITED STATES OF AMERICA | Ratification | 23/03/1962 | |
| UPPER VOLTA | Ratification | 08/09/1965 | |
| UZBEKISTAN | Ratification | 24/02/1994 | |
| VENEZUELA | Ratification | 06/02/1962 | |
| VIETNAM | Ratification | 16/04/1962 | |
| YUGOSLAVIA | Ratification | 05/03/1962 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Adherence | 13/01/2001 | 13/01/2001 |
| ZAMBIA | Ratification | 12/10/1965 | |