United Republic of Tanzania Population Pyramid 2017
United Republic of Tanzania in 2017
The population of the United Republic of Tanzania in 2017 was 55,652,890. A decade earlier, in 2007, the population was 41,435,512; it has grown by 34.3% since.
With a median age of 17.8 years, the United Republic of Tanzania had a youth dependency ratio of 82.8 and an old-age dependency ratio of 5.6 per 100 people of working age. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of the United Republic of Tanzania was 4.61 births per woman in 2023, above the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 67.0 years in 2023: 69.8 for women and 64.2 for men.
Source: World Bank World Development Indicators, latest available year.
422,894 immigrants live in United Republic of Tanzania, 0.6% of the population.
| Burundi | 241,069 |
| D.R. Congo | 76,772 |
| Kenya | 26,345 |
| Congo | 24,189 |
| Mozambique | 14,166 |
224,998 people born in United Republic of Tanzania live in other countries.
| Rwanda | 42,664 |
| Burundi | 37,409 |
| Kenya | 32,860 |
| Uganda | 22,790 |
| Canada | 21,068 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| United Republic of Tanzania | 55,652,890 | 17.8 | |
| Kenya | 49,197,766 | 19.1 | |
| Uganda | 40,177,388 | 16.3 | |
| Mozambique | 28,166,394 | 17.0 | |
| Madagascar | 26,788,375 | 18.9 |





