Arab-Berber of the Arab conquest of North Africa, and the intermarriage between the Arabian and Persian people who immigrated to those regions and local mainly Roman Africans and other Berber people; in addition, Banu Hilal and Sulaym Arab tribes originating in the Arabian Peninsula invaded the region and intermarried with the local rural mainly Berber populations, and were a major factor in the linguistic, cultural and ethnic Arabization of the Maghreb. Alongside Berber speakers, arabized Berbers form the core of the native populations of the Maghreb, namely Algeria, Libya, Morocco and Tunisia. Arab-Berbers primarily speak variants of Maghrebi Arabic, also known
Ethnic groups in Burundi allocated to the Twa. Burundi has institutionalized its social segmentation through ethnic power-sharing with the aims of more accurately representing the population and avoiding another genocide. A significant number of recent immigrants live in Burundi. Most come from neighbouring Central African countries (especially the Congo, Tanzania, and Rwanda) but other come from West Africa. There are also European and Asian communities in the country numbering approximately 3,000 and 2,000 people respectively. Ethnic groups in Burundi Native Burundians belong to one of the three major ethnic groups in Burundi: the Hutu, Tutsi, and Twa peoples. The historical origins of ethnic differentiation