| Albania | 2001-03-26 | Accession | |
| Argentina | 1973-03-19 | Accession | |
| Armenia | 2002-10-31 | Accession | |
| Australia | 1974-03-12 | Accession | |
| Austria | 1982-05-06 | Ratification | |
| Azerbaijan | 2001-06-01 | Accession | |
| Barbados | 1983-03-23 | Accession | |
| Belarus | 2003-01-17 | Accession | |
| Bosniaand Herzegovina | 2009-02-19 | Ratification | |
| Brazil | 1975-08-06 | Ratification | |
| Bulgaria | 1995-05-31 | Accession | |
| BurkinaFaso | 1987-10-14 | Accession | |
| Chile | 1976-12-15 | Accession | |
| China | 1993-01-05 | Accession | |
| Colombia | 1994-02-14 | Ratification | |
| CostaRica | 1982-03-01 | Accession | |
| Croatia | 2000-01-20 | Accession | |
| Cyprus | 1993-06-25 | Accession | |
| Czechia | 1993-09-30 | Notification of succession | |
| DemocraticRepublic of the Congo | 1977-07-15 | Accession | |
| Denmark | 1976-12-16 | Ratification | |
| Ecuador | 1974-06-04 | Ratification | |
| Egypt | 1977-12-15 | Accession | |
| ElSalvador | 1978-10-25 | Accession | |
| Estonia | 2000-02-28 | Accession | |
| Fiji | 1972-06-15 | Accession | |
| Finland | 1972-12-18 | Ratification | |
| France | 1972-09-12 | Ratification | |
| Germany | 1974-02-07 | Ratification | |
| Ghana | 2016-11-04 | Accession | |
| Greece | 1993-11-02 | Accession | |
| Guatemala | 1976-10-14 | Accession | |
| HolySee | 1977-04-04 | Ratification | |
| Honduras | 1989-11-16 | Accession | |
| Hungary | 1975-02-24 | Accession | |
| India | 1974-11-01 | Ratification | |
| Israel | 1978-01-10 | Ratification | |
| Italy | 1976-12-20 | Ratification | |
| Jamaica | 1993-10-07 | Accession | |
| Japan | 1978-06-19 | Acceptance | |
| Kazakhstan | 2001-05-03 | Accession | |
| Kenya | 1976-01-06 | Ratification | |
| Kyrgyzstan | 2002-07-12 | Accession | |
| Latvia | 1997-04-29 | Accession | |
| Liberia | 2005-09-16 | Accession | |
| Liechtenstein | 1999-07-12 | Ratification | |
| Lithuania | 1999-10-27 | Accession | |
| Luxembourg | 1975-11-25 | Ratification | |
| Mexico | 1973-09-11 | Ratification | |
| Monaco | 1974-08-21 | Ratification | |
| Montenegro | 2006-10-23 | Notification of succession | |
| Netherlands | 1993-07-07 | Accession | |
| NewZealand | 1976-05-03 | Accession | |
| Nicaragua | 2000-05-10 | Ratification | |
| NorthMacedonia | 1997-12-02 | Accession | |
| Norway | 1978-04-10 | Ratification | |
| Panama | 1974-03-20 | Ratification | |
| Paraguay | 1978-10-30 | Accession | |
| Peru | 1985-05-07 | Accession | |
| Republicof Korea | 1987-07-01 | Accession | |
| Republicof Moldova | 2000-04-17 | Accession | |
| Romania | 1998-07-01 | Accession | |
| RussianFederation | 1994-12-09 | Accession | |
| SaintLucia | 2001-01-02 | Accession | |
| Serbia | 2003-03-10 | Ratification | |
| Slovakia | 1993-05-28 | Notification of succession | |
| Slovenia | 1996-07-09 | Accession | |
| Spain | 1974-05-16 | Ratification | |
| Sweden | 1973-01-18 | Ratification | |
| Switzerland | 1993-06-24 | Ratification | |
| Tajikistan | 2012-11-16 | Accession | |
| Togo | 2003-03-10 | Accession | |
| Trinidadand Tobago | 1988-06-27 | Accession | |
| Ukraine | 1999-11-18 | Accession | |
| UnitedKingdom of Great Britain and Northern Ireland | 1972-12-05 | Ratification | |
| UnitedStates of America | 1973-11-26 | Ratification | |
| Uruguay | 1982-10-06 | Ratification | |
| Uzbekistan | 2019-01-25 | Accession | |
| Venezuela(Bolivarian Republic of) | 1982-07-30 | Accession | |
| VietNam | 2005-04-06 | Accession |