| Most Common Countries | Surname | % Correct |
|---|---|---|
| Libya, Eritrea & Somalia | Ali | 100%
|
| Egypt, Nigeria & Sudan | Ahmed | 56%
|
| Chad, Comoros & Egypt | Mohamed/Mahamat | 33%
|
| Egypt, Nigeria & Sudan | Ibrahim | 22%
|
| Egypt, Nigeria & Sudan | Hassan | 11%
|