| Allemagne | 1955-06-03 | Ratification | |
| Andorre | 1952-12-31 | Ratification | |
| Argentine | 1957-11-13 | Ratification | |
| Australie | 1969-07-24 | Ratification | |
| Autriche | 1957-04-02 | Ratification | |
| Belgique | 1960-05-31 | Ratification | |
| Bolivie(État plurinational de) | 1989-12-22 | Adhésion | |
| Bosnie-Herzégovine | 1993-07-12 | Notification de succession | |
| Brésil | 1959-10-13 | Ratification | |
| Cambodge | 1953-08-03 | Adhésion | |
| Chili | 1955-01-18 | Ratification | |
| CostaRica | 1954-12-07 | Adhésion | |
| Cuba | 1957-03-18 | Ratification | |
| Danemark | 1961-11-09 | Ratification | |
| Equateur | 1957-03-05 | Adhésion | |
| Espagne | 1954-10-27 | Ratification | |
| Etats-Unisd'Amérique | 1954-12-06 | Ratification | |
| Finlande | 1963-01-16 | Ratification | |
| France | 1955-10-14 | Ratification | |
| Ghana | 1962-05-22 | Adhésion | |
| Grèce | 1963-05-24 | Adhésion | |
| Guatemala | 1964-07-28 | Ratification | |
| Haïti | 1954-09-01 | Ratification | |
| Hongrie | 1970-10-23 | Adhésion | |
| Inde | 1957-10-21 | Ratification | |
| Irlande | 1958-10-20 | Ratification | |
| Israël | 1955-04-06 | Ratification | |
| Italie | 1956-10-24 | Ratification | |
| Japon | 1956-01-28 | Ratification | |
| Kenya | 1966-06-07 | Adhésion | |
| Liban | 1959-07-17 | Adhésion | |
| Libéria | 1956-04-27 | Ratification | |
| Liechtenstein | 1958-10-22 | Adhésion | |
| Luxembourg | 1955-07-15 | Ratification | |
| Macédoinedu Nord | 1997-04-30 | Notification de succession | |
| Maroc | 1972-02-08 | Adhésion | |
| Maurice | 1970-08-20 | Notification de succession | |
| Mexique | 1957-02-12 | Ratification | |
| Monaco | 1955-06-16 | Ratification | |
| Monténégro | 2007-04-26 | Notification de succession | |
| Nicaragua | 1961-05-16 | Ratification | |
| Norvège | 1962-10-23 | Ratification | |
| Nouvelle-Zélande | 1964-06-11 | Adhésion | |
| Pakistan | 1954-04-28 | Adhésion | |
| Panama | 1962-07-17 | Adhésion | |
| Paraguay | 1961-12-11 | Adhésion | |
| Pays-Bas | 1967-03-22 | Ratification | |
| Portugal | 1956-09-25 | Ratification | |
| Royaume-Unide Grande-Bretagne et d'Irlande du Nord | 1957-06-27 | Ratification | |
| Rwanda | 1989-08-10 | Adhésion | |
| Républiquedémocratique populaire lao | 1954-08-19 | Adhésion | |
| SaintSiège | 1955-07-05 | Ratification | |
| Serbie | 2001-09-11 | Notification de succession | |
| Slovaquie | 1993-03-31 | Notification de succession | |
| Slovénie | 1992-11-05 | Notification de succession | |
| SriLanka | 1988-07-27 | Adhésion | |
| Suisse | 1955-12-30 | Ratification | |
| Suède | 1961-04-01 | Ratification | |
| Tchéquie | 1993-03-26 | Notification de succession | |
| Tunisie | 1969-03-19 | Adhésion | |
| Uruguay | 1993-01-12 | Ratification | |
| Venezuela(République bolivarienne du) | 1966-06-30 | Adhésion |