Sex ratio: at birth : 1.03 male(s)/female under 15 years: 0.99 male(s)/female 15-64 years: 0.95 male(s)/female 65 years and over: 0.87 male(s)/female total population: 0.97 male(s)/female (1997 est.)
Infant mortality rate: 104.8 deaths/1,000 live births (1997 est.)
Life expectancy at birth: total population: 41.71 years male: 40.34 years female: 43.13 years (1997 est.)
Total fertility rate: 5.58 children born/woman (1997 est.)
Nationality: noun : Tanzanian(s) adjective: Tanzanian
Ethnic groups: mainland - native African 99% (of which 95% are Bantu consisting of more than 130 tribes), other 1% (consisting of Asian, European, and Arab) note: Zanzibar - Arab, native African, mixed Arab and native African
Religions: mainland - Christian 45%, Muslim 35%, indigenous beliefs 20% note: Zanzibar - more than 99% Muslim
Languages: Kiswahili or Swahili (official), Kiunguju (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 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, and it has become the lingua franca of central and eastern Africa; the first language of most people is one of the local languages
Literacy: definition : age 15 and over can read and write Kiswahili (Swahili), English, or Arabic total population: 67.8% male: 79.4% female: 56.8% (1995 est.)
@Tanzania:Government