| Region | Number of Members |
|---|---|
| Asia-Pacific | 24 |
| Europe | 54 |
| Latin America and the Caribbean | 19 |
| North Africa and the Middle East | 4 |
| North America | 38 |
| Sub-Saharan Africa | 9 |
| Region | Number of Members |
|---|---|
| Asia-Pacific | 24 |
| Europe | 54 |
| Latin America and the Caribbean | 19 |
| North Africa and the Middle East | 4 |
| North America | 38 |
| Sub-Saharan Africa | 9 |