8) Igbo (Speakers in Africa: More than 24 million)
Igbo is the native language of the Igbo people. There are more than 20 dialects of this language. They are all written in Latin characters. It is a tonal language.
7) Yoruba (Speakers in Africa: More than 30 million)
Many people in Nigeria speak Yoruba. The language is also widely used in Togo and Benin. It is a varying tonal language written in mostly Latin letters.