| (Source: ILOLEX - 29. 11. 2009) |
| Country | Ratification date | Status |
| Argentina | 30:11:1933 | ratified |
| Australia | 15:06:1972 | ratified |
| Austria | 12:06:1924 | ratified |
| Belgium | 25:08:1930 | ratified |
| Bosnia and Herzegovina | 02:06:1993 | ratified |
| Bulgaria | 14:02:1922 | denounced on 20:07:1960 |
| Central African Republic | 09:06:1964 | ratified |
| Chile | 31:05:1933 | ratified |
| Colombia | 20:06:1933 | ratified |
| Cyprus | 08:10:1965 | ratified |
| Denmark | 13:10:1921 | ratified |
| Djibouti | 03:08:1978 | ratified |
| Ecuador | 05:02:1962 | ratified |
| Egypt | 03:07:1954 | ratified |
| Estonia | 20:12:1922 | ratified |
| Ethiopia | 11:06:1966 | ratified |
| Finland | 19:10:1921 | ratified |
| France | 25:08:1925 | ratified |
| Germany | 06:06:1925 | ratified |
| Greece | 19:11:1920 | ratified |
| Guyana | 08:06:1966 | ratified |
| Hungary | 01:03:1928 | ratified |
| Iceland | 17:02:1958 | ratified |
| India | 14:07:1921 | denounced on 16:04:1938 |
| Ireland | 04:09:1925 | ratified |
| Italy | 10:04:1923 | ratified |
| Japan | 23:11:1922 | ratified |
| Kenya | 13:01:1964 | ratified |
| Luxembourg | 16:04:1928 | ratified |
| The former Yugoslav Republic of Macedonia | 17:11:1991 | ratified |
| Malta | 04:01:1965 | ratified |
| Mauritius | 02:12:1969 | ratified |
| Montenegro | 03:06:2006 | ratified |
| Morocco | 14:10:1960 | ratified |
| Myanmar | 14:07:1921 | ratified |
| Netherlands | 06:02:1932 | ratified |
| New Zealand | 29:03:1938 | ratified |
| Nicaragua | 12:04:1934 | ratified |
| Norway | 23:11:1921 | ratified |
| Papua New Guinea | 01:05:1976 | ratified |
| Poland | 21:06:1924 | ratified |
| Romania | 13:06:1921 | ratified |
| Serbia | 24:11:2000 | ratified |
| Seychelles | 06:02:1978 | ratified |
| Slovenia | 29:05:1992 | ratified |
| South Africa | 20:02:1924 | ratified |
| Spain | 04:07:1923 | ratified |
| Sudan | 18:06:1957 | ratified |
| Sweden | 27:09:1921 | ratified |
| Switzerland | 09:10:1922 | ratified |
| Syrian Arab Republic | 26:07:1960 | ratified |
| Turkey | 14:07:1950 | ratified |
| Ukraine | 16:05:1994 | ratified |
| United Kingdom | 14:07:1921 | ratified |
| Uruguay | 06:06:1933 | denounced on 11:11:1982 |
| Bolivarian Republic of Venezuela | 20:11:1944 | ratified |
| Ratified: 53 | Conditional ratification: 0 | Declared applicable: 0 | Denounced: 3 |
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