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| Signed and ratified | | Acceded or succeeded |
| Only signed | | Not signed (CoE member states) |
| Not signed (non-CoE member states) | | Denounced in favour of 2003 revised convention |
| Signed and ratified | | Acceded or succeeded |
| Only signed | | Not signed (CoE member states) |
| Not signed (non-CoE member states) | | |