| (Source: ILOLEX - 30. 11. 2009) |
| Country | Ratification date | Status |
| Belgium | 11:04:1938 | ratified |
| Belize | 15:07:2005 | ratified |
| Bulgaria | 29:12:1949 | ratified |
| Djibouti | 03:08:1978 | ratified |
| Egypt | 04:08:1982 | ratified |
| France | 19:06:1947 | ratified |
| Greece | 19:06:1968 | ratified |
| Italy | 22:10:1952 | ratified |
| Liberia | 09:05:1960 | ratified |
| Luxembourg | 15:02:1991 | ratified |
| Mexico | 15:09:1939 | ratified |
| Morocco | 14:03:1958 | ratified |
| Panama | 04:06:1971 | ratified |
| Peru | 04:04:1962 | ratified |
| Spain | 30:11:1971 | ratified |
| Tunisia | 14:04:1970 | ratified |
| Turkey | 17:03:2005 | ratified |
| United States | 29:10:1938 | ratified |
| Ratified: 18 | Conditional ratification: 0 | Declared applicable: 0 | Denounced: 0 |
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