United Republic of Tanzania Population Pyramid 1986
United Republic of Tanzania in 1986
As of 1986, the United Republic of Tanzania counted 23,258,959 inhabitants. Over the previous ten years the population grew by 39.0%, up from 16,736,211 in 1976.
With a median age of 16.4 years, the United Republic of Tanzania had a youth dependency ratio of 94.7 and an old-age dependency ratio of 6.0 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 | 23,258,959 | 16.4 | |
| Kenya | 19,901,646 | 15.0 | |
| Uganda | 15,467,579 | 15.9 | |
| Mozambique | 12,770,578 | 17.0 | |
| Madagascar | 10,736,857 | 16.6 |





