| Afghanistan | 1979-03-20 | Ratification | |
| Albania | 1989-07-10 | Ratification | |
| Algeria | 1974-06-24 | Ratification | |
| Andorra | 1997-01-03 | Acceptance | |
| Angola | 1991-11-07 | Ratification | |
| Antiguaand Barbuda | 1983-11-01 | Acceptance | |
| Argentina | 1978-08-23 | Acceptance | |
| Armenia | 1993-09-05 | Notification of succession | |
| Australia | 1974-08-22 | Ratification | |
| Austria | 1992-12-18 | Ratification | |
| Azerbaijan | 1993-12-16 | Ratification | |
| Bahamas | 2014-05-15 | Ratification | |
| Bahrain | 1991-05-28 | Ratification | |
| Bangladesh | 1983-08-03 | Acceptance | |
| Barbados | 2002-04-09 | Acceptance | |
| Belarus | 1988-10-12 | Ratification | |
| Belgium | 1996-07-24 | Ratification | |
| Belize | 1990-11-06 | Ratification | |
| Benin | 1982-06-14 | Ratification | |
| Bhutan | 2001-10-17 | Ratification | |
| Bolivia(Plurinational State of) | 1976-10-04 | Ratification | |
| Bosniaand Herzegovina | 1993-07-12 | Notification of succession | |
| Botswana | 1998-11-23 | Acceptance | |
| Brazil | 1977-09-01 | Acceptance | |
| BruneiDarusalaam | 2011-08-12 | Ratification | |
| Bulgaria | 1974-03-07 | Acceptance | |
| BurkinaFaso | 1987-04-02 | Ratification | |
| Burundi | 1982-05-19 | Ratification | |
| CaboVerde | 1988-04-28 | Acceptance | |
| Cambodia | 1991-11-28 | Acceptance | |
| Cameroon | 1982-12-07 | Ratification | |
| Canada | 1976-07-23 | Acceptance | |
| CentralAfrican Republic | 1980-12-22 | Ratification | |
| Chad | 1999-06-23 | Ratification | |
| Chile | 1980-02-20 | Ratification | |
| China | 1985-12-12 | Ratification | |
| Colombia | 1983-05-24 | Acceptance | |
| Comoros | 2000-09-27 | Ratification | |
| Congo | 1987-12-10 | Ratification | |
| CookIslands | 2009-01-16 | Acceptance | |
| CostaRica | 1977-08-23 | Ratification | |
| Croatia | 1992-07-06 | Notification of succession | |
| Cuba | 1981-03-24 | Ratification | |
| Cyprus | 1975-08-14 | Acceptance | |
| Czechia | 1993-03-26 | Notification of succession | |
| Côted'Ivoire | 1981-01-09 | Ratification | |
| DemocraticPeople's Republic of Korea | 1998-07-21 | Acceptance | |
| DemocraticRepublic of the Congo | 1974-09-23 | Ratification | |
| Denmark | 1979-07-25 | Ratification | |
| Djibouti | 2007-08-30 | Ratification | |
| Dominica | 1995-04-04 | Ratification | |
| DominicanRepublic | 1985-02-12 | Ratification | |
| Ecuador | 1975-06-16 | Acceptance | |
| Egypt | 1974-02-07 | Ratification | |
| ElSalvador | 1991-10-08 | Acceptance | |
| EquatorialGuinea | 2010-03-10 | Ratification | |
| Eritrea | 2001-10-24 | Acceptance | |
| Estonia | 1995-10-27 | Ratification | |
| Eswatini | 2005-11-30 | Ratification | |
| Ethiopia | 1977-07-06 | Ratification | |
| Fiji | 1990-11-21 | Ratification | |
| Finland | 1987-03-04 | Ratification | |
| France | 1975-06-27 | Acceptance | |
| Gabon | 1986-12-30 | Ratification | |
| Gambia | 1987-07-01 | Ratification | |
| Georgia | 1992-11-04 | Notification of succession | |
| Germany | 1976-08-23 | Ratification | |
| Ghana | 1975-07-04 | Ratification | |
| Greece | 1981-07-17 | Ratification | |
| Grenada | 1998-08-13 | Acceptance | |
| Guatemala | 1979-01-16 | Acceptance | |
| Guinea | 1979-03-18 | Ratification | |
| Guinea-Bissau | 2006-01-28 | Ratification | |
| Guyana | 1977-06-20 | Acceptance | |
| Haiti | 1980-01-18 | Ratification | |
| HolySee | 1982-10-07 | Accession | |
| Honduras | 1979-06-08 | Ratification | |
| Hungary | 1985-07-15 | Acceptance | |
| Iceland | 1995-12-19 | Ratification | |
| India | 1977-11-14 | Ratification | |
| Indonesia | 1989-07-06 | Acceptance | |
| Iran(Islamic Republic of) | 1975-02-26 | Acceptance | |
| Iraq | 1974-03-05 | Acceptance | |
| Ireland | 1991-09-16 | Ratification | |
| Israel | 1999-10-06 | Acceptance | |
| Italy | 1978-06-23 | Ratification | |
| Jamaica | 1983-06-14 | Acceptance | |
| Japan | 1992-06-30 | Acceptance | |
| Jordan | 1975-05-05 | Ratification | |
| Kazakhstan | 1994-04-29 | Acceptance | |
| Kenya | 1991-06-05 | Acceptance | |
| Kiribati | 2000-05-12 | Acceptance | |
| Kuwait | 2002-06-06 | Ratification | |
| Kyrgyzstan | 1995-07-03 | Acceptance | |
| LaoPeople's Democratic Republic | 1987-03-20 | Ratification | |
| Latvia | 1995-01-10 | Acceptance | |
| Lebanon | 1983-02-03 | Ratification | |
| Lesotho | 2003-11-25 | Acceptance | |
| Liberia | 2002-03-28 | Acceptance | |
| Libya | 1978-10-13 | Ratification | |
| Lithuania | 1992-03-31 | Acceptance | |
| Luxembourg | 1983-09-28 | Ratification | |
| Madagascar | 1983-07-19 | Ratification | |
| Malawi | 1982-01-05 | Ratification | |
| Malaysia | 1988-12-07 | Ratification | |
| Maldives | 1986-05-22 | Acceptance | |
| Mali | 1977-04-05 | Acceptance | |
| Malta | 1978-11-14 | Acceptance | |
| MarshallIslands | 2002-04-24 | Acceptance | |
| Mauritania | 1981-03-02 | Ratification | |
| Mauritius | 1995-09-19 | Ratification | |
| Mexico | 1984-02-23 | Acceptance | |
| Micronesia(Federated States of) | 2002-07-22 | Acceptance | |
| Monaco | 1978-11-07 | Ratification | |
| Mongolia | 1990-02-02 | Acceptance | |
| Montenegro | 2007-04-26 | Notification of succession | |
| Morocco | 1975-10-28 | Ratification | |
| Mozambique | 1982-11-27 | Ratification | |
| Myanmar | 1994-04-29 | Acceptance | |
| Namibia | 2000-04-06 | Acceptance | |
| Nepal | 1978-06-20 | Acceptance | |
| Netherlands | 1992-08-26 | Acceptance | |
| NewZealand | 1984-11-22 | Ratification | |
| Nicaragua | 1979-12-17 | Acceptance | |
| Niger | 1974-12-23 | Acceptance | |
| Nigeria | 1974-10-23 | Ratification | |
| Niue | 2001-01-23 | Acceptance | |
| NorthMacedonia | 1997-04-30 | Notification of succession | |
| Norway | 1977-05-12 | Ratification | |
| Oman | 1981-10-06 | Acceptance | |
| Pakistan | 1976-07-23 | Ratification | |
| Palau | 2002-06-11 | Acceptance | |
| Palestine | 2011-12-08 | Ratification | |
| Panama | 1978-03-03 | Ratification | |
| PapuaNew Guinea | 1997-07-28 | Acceptance | |
| Paraguay | 1988-04-27 | Ratification | |
| Peru | 1982-02-24 | Ratification | |
| Philippines | 1985-09-19 | Ratification | |
| Poland | 1976-06-29 | Ratification | |
| Portugal | 1980-09-30 | Ratification | |
| Qatar | 1984-09-12 | Acceptance | |
| Republicof Korea | 1988-09-14 | Acceptance | |
| Republicof Moldova | 2002-09-23 | Ratification | |
| Romania | 1990-05-16 | Acceptance | |
| RussianFederation | 1988-10-12 | Ratification | |
| Rwanda | 2000-12-28 | Acceptance | |
| SaintKitts and Nevis | 1986-07-10 | Acceptance | |
| SaintLucia | 1991-10-14 | Ratification | |
| SaintVincent and the Grenadines | 2003-02-03 | Ratification | |
| Samoa | 2001-08-28 | Acceptance | |
| SanMarino | 1991-10-18 | Ratification | |
| SaoTome and Principe | 2006-07-25 | Ratification | |
| SaudiArabia | 1978-08-07 | Acceptance | |
| Senegal | 1976-02-13 | Ratification | |
| Serbia | 2001-09-11 | Notification of succession | |
| Seychelles | 1980-04-09 | Acceptance | |
| SierraLeone | 2005-01-07 | Ratification | |
| Singapore | 2012-06-19 | Acceptance | |
| Slovakia | 1993-03-31 | Notification of succession | |
| Slovenia | 1992-11-05 | Notification of succession | |
| SolomonIslands | 1992-06-10 | Accession | |
| Somalia | 2020-07-23 | Ratification | |
| SouthAfrica | 1997-07-10 | Ratification | |
| SouthSudan | 2016-03-09 | Ratification | |
| Spain | 1982-05-04 | Acceptance | |
| SriLanka | 1980-06-06 | Acceptance | |
| Sudan | 1974-06-06 | Ratification | |
| Suriname | 1997-10-23 | Acceptance | |
| Sweden | 1985-01-22 | Ratification | |
| Switzerland | 1975-09-17 | Ratification | |
| SyrianArab Republic | 1975-08-13 | Acceptance | |
| Tajikistan | 1992-08-28 | Notification of succession | |
| Thailand | 1987-09-17 | Acceptance | |
| Timor-Leste | 2016-10-31 | Ratification | |
| Togo | 1998-04-15 | Acceptance | |
| Tonga | 2004-06-03 | Acceptance | |
| Trinidadand Tobago | 2005-02-16 | Ratification | |
| Tunisia | 1975-03-10 | Ratification | |
| Turkey | 1983-03-16 | Ratification | |
| Turkmenistan | 1994-09-30 | Notification of succession | |
| Uganda | 1987-11-20 | Acceptance | |
| Ukraine | 1988-10-12 | Ratification | |
| UnitedArab Emirates | 2001-05-11 | Acceptance | |
| UnitedKingdom of Great Britain and Northern Ireland | 1984-05-29 | Ratification | |
| UnitedRepublic of Tanzania | 1977-08-02 | Ratification | |
| UnitedStates of America | 1973-12-07 | Ratification | |
| Uruguay | 1989-03-09 | Acceptance | |
| Uzbekistan | 1993-01-13 | Notification of succession | |
| Vanuatu | 2002-06-13 | Ratification | |
| Venezuela(Bolivarian Republic of) | 1990-10-30 | Acceptance | |
| VietNam | 1987-10-19 | Acceptance | |
| Yemen | 1980-10-07 | Ratification | |
| Zambia | 1984-06-04 | Ratification | |
| Zimbabwe | 1982-08-16 | Ratification |