| (Source: ILOLEX - 29. 11. 2009) |
| Country | Ratification date | Status |
| Argentina | 17:02:1955 | ratified |
| Belgium | 11:04:1938 | ratified |
| Bosnia and Herzegovina | 02:06:1993 | ratified |
| Brazil | 12:10:1938 | ratified |
| Bulgaria | 29:12:1949 | ratified |
| Croatia | 08:10:1991 | ratified |
| Cuba | 05:02:1971 | ratified |
| Denmark | 13:07:1938 | ratified |
| Djibouti | 03:08:1978 | ratified |
| Egypt | 20:05:1939 | ratified |
| Estonia | 20:06:1938 | ratified |
| Finland | 08:04:1947 | ratified |
| France | 19:06:1947 | ratified |
| Germany | 18:11:1988 | ratified |
| Ireland | 10:06:1985 | ratified |
| Israel | 19:06:1969 | ratified |
| Italy | 22:10:1952 | ratified |
| Republic of Korea | 11:04:2003 | ratified |
| Liberia | 09:05:1960 | ratified |
| Libyan Arab Jamahiriya | 15:11:1974 | ratified |
| Luxembourg | 15:02:1991 | ratified |
| The former Yugoslav Republic of Macedonia | 17:11:1991 | ratified |
| Malta | 19:09:2002 | ratified |
| Mauritania | 08:11:1963 | ratified |
| Mexico | 01:09:1939 | ratified |
| Montenegro | 03:06:2006 | ratified |
| New Zealand | 29:03:1938 | ratified |
| Norway | 07:07:1937 | ratified |
| Panama | 19:06:1970 | ratified |
| Peru | 04:04:1962 | ratified |
| Philippines | 17:11:1960 | ratified |
| Serbia | 24:11:2000 | ratified |
| Slovenia | 29:05:1992 | ratified |
| Spain | 05:05:1971 | ratified |
| Syrian Arab Republic | 26:07:1960 | ratified |
| Turkey | 22:04:2005 | ratified |
| United States | 29:10:1938 | ratified |
| Ratified: 37 | Conditional ratification: 0 | Declared applicable: 0 | Denounced: 0 |
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