| (Source: ILOLEX - 27. 11. 2009) |
| Country | Ratification date | Status |
| Algeria | 19:10:1962 | ratified |
| Angola | 04:06:1976 | ratified |
| Argentina | 24:09:1956 | ratified |
| Belgium | 05:12:1951 | ratified |
| Bulgaria | 29:12:1949 | ratified |
| Canada | 19:03:1951 | ratified |
| Egypt | 10:08:1982 | ratified |
| Equatorial Guinea | 23:04:1996 | ratified |
| France | 09:12:1948 | ratified |
| Greece | 28:08:1981 | ratified |
| Guinea-Bissau | 21:02:1977 | ratified |
| Ireland | 12:06:1956 | ratified |
| Italy | 22:10:1952 | ratified |
| Luxembourg | 15:02:1991 | ratified |
| Netherlands | 17:06:1958 | ratified |
| New Zealand | 31:05:1977 | ratified |
| Norway | 28:01:1957 | ratified |
| Panama | 04:06:1971 | ratified |
| Peru | 04:04:1962 | ratified |
| Poland | 13:04:1954 | ratified |
| Portugal | 13:06:1952 | ratified |
| Romania | 11:10:2000 | ratified |
| Spain | 14:07:1971 | ratified |
| Turkey | 17:03:2005 | ratified |
| United Kingdom | 06:08:1953 | ratified |
| Ratified: 25 | Conditional ratification: 0 | Declared applicable: 0 | Denounced: 0 |
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