| AustraliaMinimum age specified: 16 years | 12 Dec 1971 | Not in force | Automatic Denunciation on 12 Jun 2024 by convention C138 |
| Belarus | 11 Mar 1970 | Not in force | Automatic Denunciation on 02 May 1980 by convention C138 |
| Belgium | 17 May 1978 | Not in force | Automatic Denunciation on 19 Apr 1989 by convention C138 |
| Bolivia (Plurinational State of)Minimum age specified: 16 years | 31 Jan 1977 | In Force | |
| Bulgaria | 03 Oct 1969 | Not in force | Automatic Denunciation on 23 Apr 1981 by convention C138 |
| CameroonMinimum age specified: 16 years | 06 Nov 1970 | In Force | |
| CyprusMinimum age specified: 18 years | 11 Apr 1967 | In Force | |
| CzechiaMinimum age specified: 18 years | 01 Jan 1993 | In Force | |
| Djibouti | 03 Aug 1978 | Not in force | Automatic Denunciation on 14 Jun 2007 by convention C138 |
| EcuadorMinimum age specified: 18 years | 10 Mar 1969 | In Force | |
| EswatiniMinimum age specified: 16 years | 05 Jun 1981 | In Force | |
| France | 18 Nov 1971 | Not in force | Automatic Denunciation on 13 Jul 1991 by convention C138 |
| GabonMinimum age specified: 18 years | 18 Oct 1968 | In Force | |
| Hungary | 08 Jun 1968 | Not in force | Automatic Denunciation on 28 May 1999 by convention C138 |
| IndiaMinimum age specified: 18 years | 20 Mar 1975 | In Force | |
| Italy | 05 May 1971 | Not in force | Automatic Denunciation on 28 Jul 1982 by convention C138 |
| Jordan | 06 Jun 1966 | Not in force | Automatic Denunciation on 23 Mar 1999 by convention C138 |
| Kenya | 20 Jun 1968 | Not in force | Automatic Denunciation on 08 Apr 1980 by convention C138 |
| Madagascar | 23 Oct 1967 | Not in force | Automatic Denunciation on 31 May 2001 by convention C138 |
| MalaysiaMinimum age specified: 16 years | 06 Jun 1974 | In Force | |
| MexicoMinimum age specified: 16 years | 29 Aug 1968 | In Force | |
| MongoliaMinimum age specified: 18 years | 03 Dec 1981 | In Force | |
| Netherlands | 08 Apr 1969 | Not in force | Automatic Denunciation on 14 Sep 1977 by convention C138 |
| NigeriaMinimum age specified: 16 years | 14 May 1974 | In Force | |
| Panama- | 24 Sep 1970 | Not in force | Automatic Denunciation on 31 Oct 2001 by convention C138 |
| ParaguayMinimum age specified: 18 years | 10 Oct 1968 | In Force | |
| Poland | 30 Sep 1969 | Not in force | Automatic Denunciation on 21 Aug 2001 by convention C138 |
| Russian Federation | 04 Nov 1969 | Not in force | Automatic Denunciation on 02 May 1980 by convention C138 |
| RwandaMinimum age specified: 18 years | 01 Jun 1970 | In Force | |
| Saudi ArabiaMinimum age specified: 18 years | 15 Jun 1978 | In Force | |
| SlovakiaMinimum age specified: 18 years | 01 Jan 1993 | In Force | |
| SpainMinimum age specified: for apprentices, under certain conditions, 16 years; for other categories of workers, 18 years | 06 Nov 1967 | In Force | |
| Switzerland | 10 Nov 1966 | Not in force | Automatic Denunciation on 16 Aug 2000 by convention C138 |
| Syrian Arab RepublicMinimum age specified: 17 years | 26 Jun 1972 | In Force | |
| Thailand | 05 Apr 1968 | Not in force | Automatic Denunciation on 11 May 2005 by convention C138 |
| Tunisia | 24 Jul 1967 | Not in force | Automatic Denunciation on 18 Oct 1996 by convention C138 |
| TürkiyeMinimum age specified: 18 years and total prohibition on women | 08 Dec 1992 | In Force | |
| UgandaMinimum age specified: 16 years | 23 Jun 1967 | In Force | |
| Ukraine | 17 Jun 1970 | Not in force | Automatic Denunciation on 02 May 1980 by convention C138 |
| Viet NamMinimum age specified: 18 years | 20 Feb 1995 | Not in force | Automatic Denunciation on 09 Jul 2020 by convention C138 |
| Zambia | 03 Apr 1967 | Not in force | Automatic Denunciation on 08 Feb 1977 by convention C138 |
