Population of Tanzania

As of May 2025, the population of Tanzania is 71.1 million. The number of inhabitants has increased by 2 million in the last year, representing a growth of 2.89%. The median age of the population has increased in recent years, rising from 16.4 years in 2015 to 17.3 years in 2025. Currently, life expectancy at birth is 68.4 years and population density is 80.6 inhabitants per square kilometer.

Population Growth

The population growth rate of Tanzania peaked in 1994, reaching around 3.96% annually, but has since declined to approximately 2.83% in 2025. However, the annual increase in the number of people continues to rise, reaching around 2.02 million in 2025.

Life Expectancy

In Tanzania, life expectancy at birth has been increasing, with the indicator rising from 56.3 years in 2005 to 68.4 years in 2025, representing an increase of more than 12 years over the past 2 decades.

Most populous cities in Tanzania

Tanzania has several cities considered medium-sized by their number of inhabitants, but there are also some large ones. The most populous city is Dar es Salaam, Dar es Salaam Region, con una diferencia significativa sobre las demás, alcanzando approximately 5.4 million inhabitants. It is followed by Mwanza with 1.1 million and Dodoma with 765.2 thousand.

These are the 20 most populous cities in Tanzania: