Oromo (official working language in the State of Oromiya) 33.8%, Amharic (official national language) 29.3%, Somali (official working language of the State of Sumale) 6.2%, Tigrigna (Tigrinya) (official working language of the State of Tigray) 5.9%, Sidamo 4%, Wolaytta 2.2%, Gurage 2%, Afar (official working language of the State of Afar) 1.7%, Hadiyya 1.7%, Gamo 1.5%, Gedeo 1.3%, Opuuo 1.2%, Kafa 1.1%, other 8.1%, English (major foreign language taught in schools), Arabic (2007 est.)