The four largest ethnic groups reported in West Hararghe were the Oromo (85.85%), the Amhara (11.45%), the Somali (1.17%), and the Argobba (0.81%); all other ethnic groups made up 0.72% of the population. Afan oromo was spoken as a first language by 95.35%, 3.2% Amharic, and 1.12% spoke Somali; the remaining 0.33% spoke all other primary languages reported.
The four largest ethnic groups in West Hararghe were the Oromo (85.85%), the Amhara (11.45%), the Somali (1.17%), and the Argobba (0.81%). All other ethnic groups comprised 0.72% of the population. Afar oromo was spoken as a first language by 95.35%, Amharic by 3.2%, and Somali by 1.12%; the remaining 0.33% spoke all other primary languages.