6) Oromo (Speakers in Africa: More than 30 million)
Many people residing in the Horn of Africa speak Oromo, a Cushitic language. It is not the official language of any nation. You will find people who speak this language in Ethiopia, Somalia, Egypt and Kenya.
5) Hausa (Speakers in Africa: More than 50 million)
Many people in the Western, Northern and Central Africa use this language. Hausa belongs to the West Chadic languages subgroup of the Chadic languages group. It is part of the Afro-Asiatic language family. Hausa has between 23 and 25 consonant phonemes.