The population consists of about 125 ethnic groups. The Sukuma, Nyamwezi, Chagga, and Haya peoples each have a population exceeding 1 million. Approximately 99 per cent of Tanzanians are of native African descent, with small numbers of Arab, European, and Asian descent. The majority of Tanzanians, including the Sukuma and the Nyamwezi, are Bantu.