Parties and Range States
| Title | Status | Status date | CMS Party number | Region |
|---|---|---|---|---|
| Nigeria | Party | 2004 | 022 | Africa |
| North Macedonia | Party | 2000 | 064 | Europe |
| Norway | Party | 2008 | 018 | Europe |
| Oman | Range State | AM | Asia | |
| Poland | Range State | 049 | Europe | |
| Portugal | Party | 2004 | 001 | Europe |
| Qatar | Range State | Asia | ||
| Republic of Moldova | Party | 2001 | 073 | Europe |
| Romania | Party | 2000 | 053 | Europe |
| Russian Federation | Range State | AM | Europe | |
| Rwanda | Party | 2014 | 090 | Africa |
| San Marino | Range State | AM | Europe | |
| São Tomé and Príncipe | Range State | 078 | Africa | |
| Saudi Arabia | Range State | 036 | Asia | |
| Senegal | Party | 1999 | 027 | Africa |
| Serbia | Party | 2019 | 108 | Europe |
| Seychelles | Range State | 092 | Africa | |
| Sierra Leone | Range State | AM | Africa | |
| Slovakia | Party | 2001 | 045 | Europe |
| Slovenia | Party | 2003 | 057 | Europe |