| Country | Region | Contracting Party | |
|---|---|---|---|
| 41 | Costa Rica | Latin America and the Caribbean | Yes |
| 42 | Croatia | Europe | Yes |
| 43 | Cuba | Latin America and the Caribbean | Yes |
| 44 | Cyprus | Europe | Yes |
| 45 | Czechia | Europe | Yes |
| 46 | Côte d'Ivoire | Africa | Yes |
| 47 | Democratic People's Republic of Korea | Asia | Yes |
| 48 | Democratic Republic of the Congo | Africa | Yes |
| 49 | Denmark | Europe | Yes |
| 50 | Djibouti | Near East | Yes |
| 51 | Dominica | Latin America and the Caribbean | No |
| 52 | Dominican Republic | Latin America and the Caribbean | Yes |
| 53 | Ecuador | Latin America and the Caribbean | Yes |
| 54 | Egypt | Near East | Yes |
| 55 | El Salvador | Latin America and the Caribbean | Yes |
| 56 | Equatorial Guinea | Africa | No |
| 57 | Eritrea | Africa | Yes |
| 58 | Estonia | Europe | Yes |
| 59 | Eswatini | Africa | Yes |
| 60 | Ethiopia | Africa | Yes |