Nationality:
noun: Tanzanian(s)
adjective: Tanzanian
Ethnic groups:
mainland - African 99% (of which 95% are Bantu consisting of more than 130 tribes), other 1% (consisting of Asian, European, and Arab); Zanzibar - Arab, African, mixed Arab and African
Religions:
mainland - Christian 30%, Muslim 35%, indigenous beliefs 35%; Zanzibar - more than 99% Muslim
Languages:
Kiswahili or Swahili (official), Kiunguja (name for Swahili in
Zanzibar), English (official, primary language of commerce,
administration, and higher education), Arabic (widely spoken in
Zanzibar), many local languages
note: Kiswahili (Swahili) is the mother tongue of the Bantu people living in Zanzibar and nearby coastal Tanzania; although Kiswahili is Bantu in structure and origin, its vocabulary draws on a variety of sources including Arabic and English; it has become the lingua franca of central and eastern Africa; the first language of most people is one of the local languages