Population 30,608,769 (July 1998 est.)

Age structure
0-14 years: 45% (male 6,804,194; female 6,844,815)
15-64 years: 53% (male 7,835,705; female 8,236,949)
65 years and over: 2% (male 408,827; female 478,279) (July 1998 est.)

Population growth rate 2.14% (1998 est.)

Birth rate 40.75 births/1,000 population (1998 est.)

Death rate 16.71 deaths/1,000 population (1998 est.)

Net migration rate -2.61 migrant(s)/1,000 population (1998 est.)

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: 0.85 male(s)/female (1998 est.)

Infant mortality rate 96.94 deaths/1,000 live births (1998 est.)

Life expectancy at birth
total population: 46.37 years
male: 44.22 years
female: 48.59 years (1998 est.)

Total fertility rate 5.49 children born/woman (1998 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.)

NOTE: The information regarding Tanzania on this page is re-published from the 1998 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Tanzania People 1998 information contained here. All suggestions for corrections of any errors about Tanzania People 1998 should be addressed to the CIA.