United Republic of Tanzania

All demographic indicators on this page are based on UN mid 2025 estimates unless stated otherwise.

United Republic of Tanzania population (live estimate)

Real-time estimate based on UN demographic growth models.

70,545,000

Annual growth: 2.846%.

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Official population estimates

World population
70,545,000
Median age
17.5
Population growth rate (%)
2.846 ▲ Population is growing

This map shows first-level administrative regions (ADM1).

Key Facts

  • Capital: Dar es Salaam
  • Official language: Cutchi-Swahili
  • Region: Eastern Africa
  • Continent: Africa

Languages

A brief overview of the linguistic situation in the country.

Official language
Swahili (macrolanguage), English, Cutchi-Swahili
Minority language
15
Working / administrative language
3

Tanzania is one of Africa’s strongest examples of linguistic cohesion thanks to Swahili, the national and widely spoken lingua franca. English is also used in government and higher education. Beyond these, over 120 Indigenous languages are spoken, including Sukuma, Chaga, Haya, Nyakyusa, and Gogo.

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Religions

A brief overview of the religious composition of the country.

Dominant religion
Christianity
Largest share
64.7%
Number of religions
7

The population is distributed across rural agricultural regions and urban centers such as Dar es Salaam, Mwanza, and Arusha. Swahili dominates urban and interethnic communication, while Indigenous languages remain important in local communities.

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Cities

A brief overview of the major cities and urban structure of the country.

Largest city
Dar es Salaam
Number of cities
45

The cities shown here represent major urban centres with populations over 50,000, as defined by the UN Degree of Urbanisation (DEGURBA) methodology. Smaller towns and rural settlements are not included.

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