United Republic of Tanzania Population Pyramid 2040
United Republic of Tanzania in 2040
By 2040, the population of the United Republic of Tanzania is expected to reach 103,999,358. Compared with 2030, when the projection stands at 80,913,124, that represents growth of 28.5% over ten years.
The median age is projected at 20.9 years, with 64.4 children under 15 and 6.1 people aged 65 or over for every 100 people of working age (15–64). The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
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 | 103,999,359 | 20.9 | |
| Kenya | 74,108,863 | 25.0 | |
| Uganda | 72,020,419 | 21.8 | |
| Mozambique | 52,124,215 | 20.2 | |
| Madagascar | 44,846,895 | 23.1 |





