| (Source: ILOLEX - 26. 11. 2009) |
| Country | Ratification date | Status |
| Armenia | 29:04:2005 | ratified |
| Australia | 15:05:1987 | ratified |
| Austria | 03:06:1987 | ratified |
| Azerbaijan | 19:05:1992 | ratified |
| Belarus | 12:10:1990 | ratified |
| Benin | 06:04:2000 | ratified |
| Bolivia | 14:11:1990 | ratified |
| Brazil | 02:07:1990 | ratified |
| Canada | 22:11:1995 | ratified |
| Colombia | 23:03:1990 | ratified |
| Costa Rica | 13:02:2001 | ratified |
| Cyprus | 01:12:1987 | ratified |
| Czech Republic | 01:01:1993 | ratified |
| Denmark | 22:01:1988 | ratified |
| El Salvador | 24:04:1987 | ratified |
| Finland | 27:04:1987 | ratified |
| Germany | 25:04:1991 | ratified |
| Greece | 17:03:1993 | ratified |
| Guatemala | 07:04:1993 | ratified |
| India | 01:04:1992 | ratified |
| Ireland | 27:10:1995 | ratified |
| Italy | 08:11:1989 | ratified |
| Republic of Korea | 08:12:1997 | ratified |
| Kyrgyzstan | 31:03:1992 | ratified |
| Latvia | 10:06:1994 | ratified |
| Lithuania | 10:06:1999 | ratified |
| Mauritius | 14:06:1994 | ratified |
| Mexico | 18:04:1988 | ratified |
| Netherlands | 05:10:1990 | ratified |
| New Zealand | 06:11:2001 | ratified |
| Norway | 06:08:1987 | ratified |
| Panama | 03:04:1996 | ratified |
| Poland | 24:04:1991 | ratified |
| Portugal | 08:12:1993 | ratified |
| Russian Federation | 27:08:1990 | ratified |
| San Marino | 01:07:1988 | ratified |
| Slovakia | 01:01:1993 | ratified |
| Spain | 03:10:1989 | ratified |
| Sri Lanka | 01:04:1993 | ratified |
| Swaziland | 22:09:1992 | ratified |
| Sweden | 22:09:1986 | ratified |
| Switzerland | 07:05:1987 | ratified |
| Tajikistan | 26:11:1993 | ratified |
| Ukraine | 15:08:1991 | ratified |
| United Kingdom | 27:05:1987 | ratified |
| United States | 11:06:1990 | ratified |
| Ratified: 46 | Conditional ratification: 0 | Declared applicable: 0 | Denounced: 0 |
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