Tanzania

Country in Africa

In brief

Aged 15–64: 54.6% (2025). World rank 205 of 216; in Africa, 44 of 54. Children per woman: 4.5 (2024). World rank 12 of 216; in Africa, 11 of 54. Births per 1,000 people: 34.8 (2024). World rank 10 of 216; in Africa, 9 of 54. From 2015 to 2025: population 52M → 70.5M, population growth per year +3.3% → +2.9%, and living in cities 31.2% → 36.9%.

Population and migration

Population: 70,545,865 2025
Population density: 74.6 per km² 2025
Population growth per year: +2.9% 2025
Living in cities: 36.9% 2025
Net migration per year: -12.7K 2025
Born in another country: 0.7% 2024

Age and life expectancy

Aged 0–14: 42.3% 2025
Aged 15–64: 54.6% 2025
Aged 65 and over: 3% 2025
Life expectancy: 67.2 years 2024
Life expectancy, women: 70 years 2024
Life expectancy, men: 64.4 years 2024

Births and deaths

Children per woman: 4.5 2024
Births per 1,000 people: 34.8 2024
Deaths per 1,000 people: 5.7 2024

Society

Languages: English, Swahili
Religions: Christian 63.1%, Muslim 34.1%, and folk religions 1.1% (2020)