| Afghanistan | 01 Oct 1969 | In Force | |
| Albania | 27 Feb 1997 | In Force | |
| Algeria | 12 Jun 1969 | In Force | |
| Angola | 04 Jun 1976 | In Force | |
| Antigua and Barbuda | 02 Feb 1983 | In Force | |
| Argentina | 18 Jun 1968 | In Force | |
| Armenia | 29 Jul 1994 | In Force | |
| Australia | 15 Jun 1973 | In Force | |
| Austria | 10 Jan 1973 | In Force | |
| Azerbaijan | 19 May 1992 | In Force | |
| Bahamas | 14 Jun 2001 | In Force | |
| Bahrain | 26 Sep 2000 | In Force | |
| Bangladesh | 22 Jun 1972 | In Force | |
| Barbados | 14 Oct 1974 | In Force | |
| Belarus | 04 Aug 1961 | In Force | |
| Belgium | 22 Mar 1977 | In Force | |
| Belize | 22 Jun 1999 | In Force | |
| Benin | 22 May 1961 | In Force | |
| Bolivia (Plurinational State of) | 31 Jan 1977 | In Force | |
| Bosnia and Herzegovina | 02 Jun 1993 | In Force | |
| Botswana | 05 Jun 1997 | In Force | |
| Brazil | 26 Nov 1965 | In Force | |
| Bulgaria | 22 Jul 1960 | In Force | |
| Burkina Faso | 16 Apr 1962 | In Force | |
| Burundi | 25 Jun 1993 | In Force | |
| Cabo Verde | 03 Apr 1979 | In Force | |
| Cambodia | 23 Aug 1999 | In Force | |
| Cameroon | 13 May 1988 | In Force | |
| Canada | 26 Nov 1964 | In Force | |
| Central African Republic | 09 Jun 1964 | In Force | |
| Chad | 29 Mar 1966 | In Force | |
| Chile | 20 Sep 1971 | In Force | |
| China | 12 Jan 2006 | In Force | |
| Colombia | 04 Mar 1969 | In Force | |
| Comoros | 17 Mar 2004 | In Force | |
| Congo | 26 Nov 1999 | In Force | |
| Costa Rica | 01 Mar 1962 | In Force | |
| Croatia | 08 Oct 1991 | In Force | |
| Cuba | 26 Aug 1965 | In Force | |
| Cyprus | 02 Feb 1968 | In Force | |
| Czechia | 01 Jan 1993 | In Force | |
| Côte d'Ivoire | 05 May 1961 | In Force | |
| Democratic Republic of the Congo | 20 Jun 2001 | In Force | |
| Denmark | 22 Jun 1960 | In Force | |
| Djibouti | 28 Feb 2005 | In Force | |
| Dominica | 28 Feb 1983 | In Force | |
| Dominican Republic | 13 Jul 1964 | In Force | |
| Ecuador | 10 Jul 1962 | In Force | |
| Egypt | 10 May 1960 | In Force | |
| El Salvador | 15 Jun 1995 | In Force | |
| Equatorial Guinea | 13 Aug 2001 | In Force | |
| Eritrea | 22 Feb 2000 | In Force | |
| Estonia | 17 Aug 2005 | In Force | |
| Eswatini | 05 Jun 1981 | In Force | |
| Ethiopia | 11 Jun 1966 | In Force | |
| Fiji | 17 Apr 2002 | In Force | |
| Finland | 23 Apr 1970 | In Force | |
| France | 28 May 1981 | In Force | |
| Gabon | 29 May 1961 | In Force | |
| Gambia | 04 Sep 2000 | In Force | |
| Georgia | 22 Jun 1993 | In Force | |
| Germany | 15 Jun 1961 | In Force | |
| Ghana | 04 Apr 1961 | In Force | |
| Greece | 07 May 1984 | In Force | |
| Grenada | 14 May 2003 | In Force | |
| Guatemala | 11 Oct 1960 | In Force | |
| Guinea | 01 Sep 1960 | In Force | |
| Guinea-Bissau | 21 Feb 1977 | In Force | |
| Guyana | 13 Jun 1975 | In Force | |
| Haiti | 09 Nov 1976 | In Force | |
| Honduras | 20 Jun 1960 | In Force | |
| Hungary | 20 Jun 1961 | In Force | |
| Iceland | 29 Jul 1963 | In Force | |
| India | 03 Jun 1960 | In Force | |
| Indonesia | 07 Jun 1999 | In Force | |
| Iran (Islamic Republic of) | 30 Jun 1964 | In Force | |
| Iraq | 15 Jun 1959 | In Force | |
| Ireland | 22 Apr 1999 | In Force | |
| Israel | 12 Jan 1959 | In Force | |
| Italy | 12 Aug 1963 | In Force | |
| Jamaica | 10 Jan 1975 | In Force | |
| Jordan | 04 Jul 1963 | In Force | |
| Kazakhstan | 06 Dec 1999 | In Force | |
| Kenya | 07 May 2001 | In Force | |
| Kiribati | 17 Jun 2009 | In Force | |
| Kuwait | 01 Dec 1966 | In Force | |
| Kyrgyzstan | 31 Mar 1992 | In Force | |
| Lao People's Democratic Republic | 13 Jun 2008 | In Force | |
| Latvia | 27 Jan 1992 | In Force | |
| Lebanon | 01 Jun 1977 | In Force | |
| Lesotho | 27 Jan 1998 | In Force | |
| Liberia | 22 Jul 1959 | In Force | |
| Libya | 13 Jun 1961 | In Force | |
| Lithuania | 26 Sep 1994 | In Force | |
| Luxembourg | 21 Mar 2001 | In Force | |
| Madagascar | 11 Aug 1961 | In Force | |
| Malawi | 22 Mar 1965 | In Force | |
| Maldives | 04 Jan 2013 | In Force | |
| Mali | 02 Mar 1964 | In Force | |
| Malta | 01 Jul 1968 | In Force | |
| Mauritania | 08 Nov 1963 | In Force | |
| Mauritius | 18 Dec 2002 | In Force | |
| Mexico | 11 Sep 1961 | In Force | |
| Mongolia | 03 Jun 1969 | In Force | |
| Montenegro | 03 Jun 2006 | In Force | |
| Morocco | 27 Mar 1963 | In Force | |
| Mozambique | 06 Jun 1977 | In Force | |
| Namibia | 13 Nov 2001 | In Force | |
| Nepal | 19 Sep 1974 | In Force | |
| Netherlands (Kingdom of the) | 15 Mar 1973 | In Force | |
| New Zealand | 03 Jun 1983 | In Force | |
| Nicaragua | 31 Oct 1967 | In Force | |
| Niger | 23 Mar 1962 | In Force | |
| Nigeria | 02 Oct 2002 | In Force | |
| North Macedonia | 17 Nov 1991 | In Force | |
| Norway | 24 Sep 1959 | In Force | |
| Pakistan | 24 Jan 1961 | In Force | |
| Panama | 16 May 1966 | In Force | |
| Papua New Guinea | 02 Jun 2000 | In Force | |
| Paraguay | 10 Jul 1967 | In Force | |
| Peru | 10 Aug 1970 | In Force | |
| Philippines | 17 Nov 1960 | In Force | |
| Poland | 30 May 1961 | In Force | |
| Portugal | 19 Nov 1959 | In Force | |
| Qatar | 18 Aug 1976 | In Force | |
| Republic of Korea | 04 Dec 1998 | In Force | |
| Republic of Moldova | 12 Aug 1996 | In Force | |
| Romania | 06 Jun 1973 | In Force | |
| Russian Federation | 04 May 1961 | In Force | |
| Rwanda | 02 Feb 1981 | In Force | |
| Saint Kitts and Nevis | 25 Aug 2000 | In Force | |
| Saint Lucia | 18 Aug 1983 | In Force | |
| Saint Vincent and the Grenadines | 09 Nov 2001 | In Force | |
| Samoa | 30 Jun 2008 | In Force | |
| San Marino | 19 Dec 1986 | In Force | |
| Sao Tome and Principe | 01 Jun 1982 | In Force | |
| Saudi Arabia | 15 Jun 1978 | In Force | |
| Senegal | 13 Nov 1967 | In Force | |
| Serbia | 24 Nov 2000 | In Force | |
| Seychelles | 23 Nov 1999 | In Force | |
| Sierra Leone | 14 Oct 1966 | In Force | |
| Slovakia | 01 Jan 1993 | In Force | |
| Slovenia | 29 May 1992 | In Force | |
| Solomon Islands | 13 Apr 2012 | In Force | |
| Somalia | 08 Dec 1961 | In Force | |
| South Africa | 05 Mar 1997 | In Force | |
| South Sudan | 29 Apr 2012 | In Force | |
| Spain | 06 Nov 1967 | In Force | |
| Sri Lanka | 27 Nov 1998 | In Force | |
| Sudan | 22 Oct 1970 | In Force | |
| Suriname | 04 Jan 2017 | In Force | |
| Sweden | 20 Jun 1962 | In Force | |
| Switzerland | 13 Jul 1961 | In Force | |
| Syrian Arab Republic | 10 May 1960 | In Force | |
| Tajikistan | 26 Nov 1993 | In Force | |
| Thailand | 13 Jun 2017 | In Force | |
| Timor-Leste | 10 May 2016 | In Force | |
| Togo | 08 Nov 1983 | In Force | |
| Trinidad and Tobago | 26 Nov 1970 | In Force | |
| Tunisia | 14 Sep 1959 | In Force | |
| Turkmenistan | 15 May 1997 | In Force | |
| Türkiye | 19 Jul 1967 | In Force | |
| Uganda | 02 Jun 2005 | In Force | |
| Ukraine | 04 Aug 1961 | In Force | |
| United Arab Emirates | 28 Jun 2001 | In Force | |
| United Kingdom of Great Britain and Northern Ireland | 08 Jun 1999 | In Force | |
| United Republic of Tanzania | 26 Feb 2002 | In Force | |
| Uruguay | 16 Nov 1989 | In Force | |
| Uzbekistan | 13 Jul 1992 | In Force | |
| Vanuatu | 28 Jul 2006 | In Force | |
| Venezuela (Bolivarian Republic of) | 03 Jun 1971 | In Force | |
| Viet Nam | 07 Oct 1997 | In Force | |
| Yemen | 22 Aug 1969 | In Force | |
| Zambia | 23 Oct 1979 | In Force | |
| Zimbabwe | 23 Jun 1999 | In Force | |
