| Afghanistan | 2005-09-08 | Acceptance | |
| Albania | 2002-06-13 | Acceptance | |
| Algeria | 1974-06-24 | Ratification | |
| Angola | 1991-11-07 | Ratification | |
| Argentina | 1973-01-11 | Ratification | |
| Armenia | 1993-09-05 | Notification of succession | |
| Australia | 1989-10-30 | Acceptance | |
| Austria | 2015-07-15 | Ratification | |
| Azerbaijan | 1999-08-25 | Ratification | |
| Bahamas | 1997-10-09 | Ratification | |
| Bahrain | 2014-03-07 | Ratification | |
| Bangladesh | 1987-12-09 | Ratification | |
| Barbados | 2002-04-10 | Acceptance | |
| Belarus | 1988-04-28 | Ratification | |
| Belgium | 2009-03-31 | Ratification | |
| Belize | 1990-01-26 | Ratification | |
| Benin | 2017-03-01 | Ratification | |
| Bhutan | 2002-09-26 | Ratification | |
| Bolivia(Plurinational State of) | 1976-10-04 | Ratification | |
| Bosniaand Herzegovina | 1993-07-12 | Notification of succession | |
| Botswana | 2017-08-23 | Acceptance | |
| Brazil | 1973-02-16 | Ratification | |
| Bulgaria | 1971-09-15 | Ratification | |
| BurkinaFaso | 1987-04-07 | Ratification | |
| Cambodia | 1972-09-26 | Ratification | |
| Cameroon | 1972-05-24 | Ratification | |
| Canada | 1978-03-28 | Acceptance | |
| CentralAfrican Republic | 1972-02-01 | Ratification | |
| Chad | 2008-06-17 | Ratification | |
| Chile | 2014-04-18 | Ratification | |
| China | 1989-11-28 | Acceptance | |
| Colombia | 1988-05-24 | Acceptance | |
| Comoros | 2021-03-17 | Ratification | |
| CostaRica | 1996-03-06 | Ratification | |
| Croatia | 1992-07-06 | Notification of succession | |
| Cuba | 1980-01-30 | Ratification | |
| Cyprus | 1979-10-19 | Ratification | |
| Czechia | 1993-03-26 | Notification of succession | |
| Côted'Ivoire | 1990-10-30 | Ratification | |
| DemocraticPeople's Republic of Korea | 1983-05-13 | Ratification | |
| DemocraticRepublic of the Congo | 1974-09-23 | Ratification | |
| Denmark | 2003-03-26 | Ratification | |
| Djibouti | 2018-04-09 | Ratification | |
| DominicanRepublic | 1973-03-07 | Ratification | |
| Ecuador | 1971-03-24 | Acceptance | |
| Egypt | 1973-04-05 | Acceptance | |
| ElSalvador | 1978-02-20 | Ratification | |
| EquatorialGuinea | 2010-06-17 | Ratification | |
| Estonia | 1995-10-27 | Ratification | |
| Eswatini | 2012-10-30 | Acceptance | |
| Ethiopia | 2017-11-22 | Ratification | |
| Finland | 1999-06-14 | Ratification | |
| France | 1997-01-07 | Ratification | |
| Gabon | 2003-08-29 | Acceptance | |
| Georgia | 1992-11-04 | Notification of succession | |
| Germany | 2007-11-30 | Ratification | |
| Ghana | 2016-01-20 | Ratification | |
| Greece | 1981-06-05 | Ratification | |
| Grenada | 1992-09-10 | Acceptance | |
| Guatemala | 1985-01-14 | Ratification | |
| Guinea | 1979-03-18 | Ratification | |
| Haiti | 2010-02-08 | Ratification | |
| Honduras | 1979-03-19 | Ratification | |
| Hungary | 1978-10-23 | Ratification | |
| Iceland | 2004-11-09 | Ratification | |
| India | 1977-01-24 | Ratification | |
| Iran(Islamic Republic of) | 1975-01-27 | Acceptance | |
| Iraq | 1973-02-12 | Acceptance | |
| Italy | 1978-10-02 | Ratification | |
| Japan | 2002-09-09 | Acceptance | |
| Jordan | 1974-03-15 | Ratification | |
| Kazakhstan | 2012-02-09 | Ratification | |
| Kuwait | 1972-06-22 | Acceptance | |
| Kyrgyzstan | 1995-07-03 | Acceptance | |
| LaoPeople's Democratic Republic | 2015-12-22 | Acceptance | |
| Latvia | 2019-01-21 | Ratification | |
| Lebanon | 1992-08-25 | Ratification | |
| Lesotho | 2013-07-17 | Ratification | |
| Libya | 1973-01-09 | Ratification | |
| Lithuania | 1998-07-27 | Ratification | |
| Luxembourg | 2015-02-03 | Ratification | |
| Madagascar | 1989-06-21 | Ratification | |
| Mali | 1987-04-06 | Ratification | |
| Mauritania | 1977-04-27 | Ratification | |
| Mauritius | 1978-02-27 | Acceptance | |
| Mexico | 1972-10-04 | Acceptance | |
| Monaco | 2017-08-25 | Ratification | |
| Mongolia | 1991-05-23 | Acceptance | |
| Montenegro | 2007-04-26 | Notification of succession | |
| Morocco | 2003-02-03 | Ratification | |
| Myanmar | 2013-09-05 | Ratification | |
| Nepal | 1976-06-23 | Ratification | |
| Netherlands | 2009-07-17 | Acceptance | |
| NewZealand | 2007-02-01 | Acceptance | |
| Nicaragua | 1977-04-19 | Ratification | |
| Niger | 1972-10-16 | Ratification | |
| Nigeria | 1972-01-24 | Ratification | |
| NorthMacedonia | 1997-04-30 | Notification of succession | |
| Norway | 2007-02-16 | Ratification | |
| Oman | 1978-06-02 | Acceptance | |
| Pakistan | 1981-04-30 | Ratification | |
| Palestine | 2012-03-22 | Ratification | |
| Panama | 1973-08-13 | Acceptance | |
| Paraguay | 2004-11-09 | Ratification | |
| Peru | 1979-10-24 | Acceptance | |
| Poland | 1974-01-31 | Ratification | |
| Portugal | 1985-12-09 | Ratification | |
| Qatar | 1977-04-20 | Acceptance | |
| Republicof Korea | 1983-02-14 | Acceptance | |
| Republicof Moldova | 2007-09-14 | Ratification | |
| Romania | 1993-12-06 | Acceptance | |
| RussianFederation | 1988-04-28 | Ratification | |
| Rwanda | 2001-09-25 | Ratification | |
| SaudiArabia | 1976-09-08 | Acceptance | |
| Senegal | 1984-12-09 | Ratification | |
| Serbia | 2001-09-11 | Notification of succession | |
| Seychelles | 2004-05-28 | Ratification | |
| Slovakia | 1993-03-31 | Notification of succession | |
| Slovenia | 1992-11-05 | Notification of succession | |
| SouthAfrica | 2003-12-18 | Acceptance | |
| Spain | 1986-01-10 | Ratification | |
| SriLanka | 1981-04-07 | Acceptance | |
| Sweden | 2003-01-13 | Ratification | |
| Switzerland | 2003-10-03 | Acceptance | |
| SyrianArab Republic | 1975-02-21 | Acceptance | |
| Tajikistan | 1992-08-28 | Ratification | |
| Togo | 2018-11-19 | Ratification | |
| Tunisia | 1975-03-10 | Acceptance | |
| Turkey | 1981-04-21 | Ratification | |
| Ukraine | 1988-04-28 | Ratification | |
| UnitedArab Emirates | 2017-10-09 | Ratification | |
| UnitedKingdom of Great Britain and Northern Ireland | 2002-08-01 | Acceptance | |
| UnitedRepublic of Tanzania | 1977-08-02 | Ratification | |
| UnitedStates of America | 1983-09-02 | Acceptance | |
| Uruguay | 1977-08-09 | Ratification | |
| Uzbekistan | 1996-03-15 | Ratification | |
| Venezuela(Bolivarian Republic of) | 2005-03-21 | Acceptance | |
| VietNam | 2005-09-20 | Ratification | |
| Yemen | 2019-06-03 | Ratification | |
| Zambia | 1985-06-21 | Ratification | |
| Zimbabwe | 2006-05-30 | Acceptance |