| 2005 | 2010 | 2011 | |
|---|---|---|---|
| Tigray | 13,58 | 14,28 | 183,20 |
| Oromiya | 47,05 | 75,22 | 67,16 |
| Amhara | 28,06 | 30,78 | 46,09 |
| Southern Nations, Nationalities, and People's Region | 18,52 | 33,42 | |
| Dire Dawa City Administration | 1,00 | 3,63 | 4,55 |
| Somali | 2,27 | 2,93 | 3,60 |
| Afar | 8,46 | 3,86 | 2,82 |
| Harari | 0,65 | 1,16 | 0,83 |
| Benishangul Gumz | 0,70 | 0,48 | |
| Addis Ababa | 0,02 |