Parties and Range States
| Title | Status | Status date | CMS Party number | Region |
|---|---|---|---|---|
| Niue | Range State | AM | Oceania | |
| Norway | Range State | 018 | Europe | |
| Oman | Range State | AM | Asia | |
| Pakistan | Range State | 025 | Asia | |
| Palau | MOU Signatory | 2010 | 107 | Oceania |
| Panama | Range State | 029 | South & Central America & The Caribbean | |
| Papua New Guinea | Range State | AM | Oceania | |
| Peru | Range State | 050 | South & Central America & The Caribbean | |
| Philippines | MOU Signatory | 2010 | 043 | Oceania |
| Poland | Range State | 049 | Europe | |
| Portugal | MOU Signatory | 2016 | 001 | Europe |
| Qatar | Range State | Asia | ||
| Republic of Korea | Range State | Asia | ||
| Romania | MOU Signatory | 2011 | 053 | Europe |
| Russian Federation | Range State | AM | Europe | |
| Saint Kitts and Nevis | Range State | South & Central America & The Caribbean | ||
| Saint Lucia | Range State | South & Central America & The Caribbean | ||
| Saint Vincent and the Grenadines | Range State | South & Central America & The Caribbean | ||
| Samoa | MOU Signatory | 2014 | 093 | Oceania |
| São Tomé and Príncipe | Range State | 078 | Africa |