6. Cameroon
Cameroon has various ethnic groups: Cameroon Highlanders 31%, Equatorial Bantu 19%, Kirdi 11%, Fulani 10%, Northwestern Bantu 8%, Eastern Nigritic 7%, other African 13% and non-African with less than 1%. This country is known not just for its ethnic diversity, but also because of the significant diversity in culture. There are 280 languages and customs!