| Contracting Party | Status | Date | Details |
|---|
| Afghanistan | In Force | December 13, 2005 | Details |
| Albania | In Force | June 30, 1992 | Details |
| Algeria | In Force | April 16, 1975 | Details |
| Andorra | In Force | October 28, 1994 | Details |
| Angola | In Force | April 15, 1985 | Details |
| Antigua and Barbuda | In Force | March 17, 2000 | Details |
| Argentina | In Force | October 8, 1980 | Details |
| Armenia | In Force | April 22, 1993 | Details |
| Australia | In Force | August 10, 1972 | Details |
| Austria | In Force | August 11, 1973 | Details |
| Azerbaijan | In Force | December 25, 1995 | Details |
| Bahamas | In Force | January 4, 1977 | Details |
| Bahrain | In Force | June 22, 1995 | Details |
| Bangladesh | In Force | May 11, 1985 | Details |
| Barbados | In Force | October 5, 1979 | Details |
| Belarus | In Force | April 26, 1970 | Details |
| Belgium | In Force | January 31, 1975 | Details |
| Belize | In Force | June 17, 2000 | Details |
| Benin | In Force | March 9, 1975 | Details |
| Bhutan | In Force | March 16, 1994 | Details |
| Bolivia (Plurinational State of) | In Force | July 6, 1993 | Details |
| Bosnia and Herzegovina | In Force | March 1, 1992 | Details |
| Botswana | In Force | April 15, 1998 | Details |
| Brazil | In Force | March 20, 1975 | Details |
| Brunei Darussalam | In Force | April 21, 1994 | Details |
| Bulgaria | In Force | May 19, 1970 | Details |
| Burkina Faso | In Force | August 23, 1975 | Details |
| Burundi | In Force | March 30, 1977 | Details |
| Cambodia | In Force | July 25, 1995 | Details |
| Cameroon | In Force | November 3, 1973 | Details |
| Canada | In Force | June 26, 1970 | Details |
| Cape Verde | In Force | July 7, 1997 | Details |
| Central African Republic | In Force | August 23, 1978 | Details |
| Chad | In Force | September 26, 1970 | Details |
| Chile | In Force | June 25, 1975 | Details |
| China | In Force | June 3, 1980 | Details |
| Colombia | In Force | May 4, 1980 | Details |
| Comoros | In Force | April 3, 2005 | Details |
| Congo | In Force | December 2, 1975 | Details |
| Costa Rica | In Force | June 10, 1981 | Details |
| Côte d'Ivoire | In Force | May 1, 1974 | Details |
| Croatia | In Force | October 8, 1991 | Details |
| Cuba | In Force | March 27, 1975 | Details |
| Cyprus | In Force | October 26, 1984 | Details |
| Czech Republic | In Force | January 1, 1993 | Details |
| Democratic People's Republic of Korea | In Force | August 17, 1974 | Details |
| Democratic Republic of the Congo | In Force | January 28, 1975 | Details |
| Denmark | In Force | April 26, 1970 | Details |
| Djibouti | In Force | May 13, 2002 | Details |
| Dominica | In Force | September 26, 1998 | Details |
| Dominican Republic | In Force | June 27, 2000 | Details |
| Ecuador | In Force | May 22, 1988 | Details |
| Egypt | In Force | April 21, 1975 | Details |
| El Salvador | In Force | September 18, 1979 | Details |
| Equatorial Guinea | In Force | June 26, 1997 | Details |
| Eritrea | In Force | February 20, 1997 | Details |
| Estonia | In Force | February 5, 1994 | Details |
| Ethiopia | In Force | February 19, 1998 | Details |
| Fiji | In Force | March 11, 1972 | Details |
| Finland | In Force | September 8, 1970 | Details |
| France | In Force | October 18, 1974 | Details |
| Gabon | In Force | June 6, 1975 | Details |
| Gambia | In Force | December 10, 1980 | Details |
| Georgia | In Force | December 25, 1991 | Details |
| Germany | In Force | September 19, 1970 | Details |
| Ghana | In Force | June 12, 1976 | Details |
| Greece | In Force | March 4, 1976 | Details |
| Grenada | In Force | September 22, 1998 | Details |
| Guatemala | In Force | April 30, 1983 | Details |
| Guinea | In Force | November 13, 1980 | Details |
| Guinea-Bissau | In Force | June 28, 1988 | Details |
| Guyana | In Force | October 25, 1994 | Details |
| Haiti | In Force | November 2, 1983 | Details |
| Holy See | In Force | April 20, 1975 | Details |
| Honduras | In Force | November 15, 1983 | Details |
| Hungary | In Force | April 26, 1970 | Details |
| Iceland | In Force | September 13, 1986 | Details |
| India | In Force | May 1, 1975 | Details |
| Indonesia | In Force | December 18, 1979 | Details |
| Iran (Islamic Republic of) | In Force | March 14, 2002 | Details |
| Iraq | In Force | January 21, 1976 | Details |
| Ireland | In Force | April 26, 1970 | Details |
| Israel | In Force | April 26, 1970 | Details |
| Italy | In Force | April 20, 1977 | Details |
| Jamaica | In Force | December 25, 1978 | Details |
| Japan | In Force | April 20, 1975 | Details |
| Jordan | In Force | July 12, 1972 | Details |
| Kazakhstan | In Force | December 25, 1991 | Details |
| Kenya | In Force | October 5, 1971 | Details |
| Kuwait | In Force | July 14, 1998 | Details |
| Kyrgyzstan | In Force | December 25, 1991 | Details |
| Lao People's Democratic Republic | In Force | January 17, 1995 | Details |
| Latvia | In Force | January 21, 1993 | Details |
| Lebanon | In Force | December 30, 1986 | Details |
| Lesotho | In Force | November 18, 1986 | Details |
| Liberia | In Force | March 8, 1989 | Details |
| Libyan Arab Jamahiriya | In Force | September 28, 1976 | Details |
| Liechtenstein | In Force | May 21, 1972 | Details |
| Lithuania | In Force | April 30, 1992 | Details |
| Luxembourg | In Force | March 19, 1975 | Details |
| Madagascar | In Force | December 22, 1989 | Details |
| Malawi | In Force | June 11, 1970 | Details |
| Malaysia | In Force | January 1, 1989 | Details |
| Maldives | In Force | May 12, 2004 | Details |
| Mali | In Force | August 14, 1982 | Details |
| Malta | In Force | December 7, 1977 | Details |
| Mauritania | In Force | September 17, 1976 | Details |
| Mauritius | In Force | September 21, 1976 | Details |
| Mexico | In Force | June 14, 1975 | Details |
| Monaco | In Force | March 3, 1975 | Details |
| Mongolia | In Force | February 28, 1979 | Details |
| Montenegro | In Force | June 3, 2006 | Details |
| Morocco | In Force | July 27, 1971 | Details |
| Mozambique | In Force | December 23, 1996 | Details |
| Myanmar | In Force | May 15, 2001 | Details |
| Namibia | In Force | December 23, 1991 | Details |
| Nepal | In Force | February 4, 1997 | Details |
| Netherlands | In Force | January 9, 1975 | Details |
| New Zealand | In Force | June 20, 1984 | Details |
| Nicaragua | In Force | May 5, 1985 | Details |
| Niger | In Force | May 18, 1975 | Details |
| Nigeria | In Force | April 9, 1995 | Details |
| Norway | In Force | June 8, 1974 | Details |
| Oman | In Force | February 19, 1997 | Details |
| Pakistan | In Force | January 6, 1977 | Details |
| Panama | In Force | September 17, 1983 | Details |
| Papua New Guinea | In Force | July 10, 1997 | Details |
| Paraguay | In Force | June 20, 1987 | Details |
| Peru | In Force | September 4, 1980 | Details |
| Philippines | In Force | July 14, 1980 | Details |
| Poland | In Force | March 23, 1975 | Details |
| Portugal | In Force | April 27, 1975 | Details |
| Qatar | In Force | September 3, 1976 | Details |
| Republic of Korea | In Force | March 1, 1979 | Details |
| Republic of Moldova | In Force | December 25, 1991 | Details |
| Romania | In Force | April 26, 1970 | Details |
| Russian Federation | In Force | April 26, 1970 | Details |
| Rwanda | In Force | February 3, 1984 | Details |
| Saint Kitts and Nevis | In Force | November 16, 1995 | Details |
| Saint Lucia | In Force | August 21, 1993 | Details |
| Saint Vincent and the Grenadines | In Force | August 29, 1995 | Details |
| Samoa | In Force | October 11, 1997 | Details |
| San Marino | In Force | June 26, 1991 | Details |
| Sao Tome and Principe | In Force | May 12, 1998 | Details |
| Saudi Arabia | In Force | May 22, 1982 | Details |
| Senegal | In Force | April 26, 1970 | Details |
| Serbia | In Force | April 27, 1992 | Details |
| Seychelles | In Force | March 16, 2000 | Details |
| Sierra Leone | In Force | May 18, 1986 | Details |
| Singapore | In Force | December 10, 1990 | Details |
| Slovakia | In Force | January 1, 1993 | Details |
| Slovenia | In Force | June 25, 1991 | Details |
| Somalia | In Force | November 18, 1982 | Details |
| South Africa | In Force | March 23, 1975 | Details |
| Spain | In Force | April 26, 1970 | Details |
| Sri Lanka | In Force | September 20, 1978 | Details |
| Sudan | In Force | February 15, 1974 | Details |
| Suriname | In Force | November 25, 1975 | Details |
| Swaziland | In Force | August 18, 1988 | Details |
| Sweden | In Force | April 26, 1970 | Details |
| Switzerland | In Force | April 26, 1970 | Details |
| Syrian Arab Republic | In Force | November 18, 2004 | Details |
| Tajikistan | In Force | December 25, 1991 | Details |
| Thailand | In Force | December 25, 1989 | Details |
| The former Yugoslav Republic of Macedonia | In Force | September 8, 1991 | Details |
| Togo | In Force | April 28, 1975 | Details |
| Tonga | In Force | June 14, 2001 | Details |
| Trinidad and Tobago | In Force | August 16, 1988 | Details |
| Tunisia | In Force | November 28, 1975 | Details |
| Turkey | In Force | May 12, 1976 | Details |
| Turkmenistan | In Force | December 25, 1991 | Details |
| Uganda | In Force | October 18, 1973 | Details |
| Ukraine | In Force | April 26, 1970 | Details |
| United Arab Emirates | In Force | September 24, 1974 | Details |
| United Kingdom | In Force | April 26, 1970 | Details |
| United Republic of Tanzania | In Force | December 30, 1983 | Details |
| United States of America | In Force | August 25, 1970 | Details |
| Uruguay | In Force | December 21, 1979 | Details |
| Uzbekistan | In Force | December 25, 1991 | Details |
| Venezuela (Bolivarian Republic of) | In Force | November 23, 1984 | Details |
| Viet Nam | In Force | July 2, 1976 | Details |
| Yemen | In Force | March 29, 1979 | Details |
| Zambia | In Force | May 14, 1977 | Details |
| Zimbabwe | In Force | December 29, 1981 | Details |
