United Republic of Tanzania Population Pyramid 2023
United Republic of Tanzania in 2023
The population of the United Republic of Tanzania in 2023 was 66,617,607. That is 36.4% more than in 2013, when the population stood at 48,824,128.
Half of the population was younger than 18.3 years; 42.7% were children under 15 and 3.0% were 65 or older. The broad-based, expansive shape of the pyramid points to high fertility and strong population 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 | 66,617,607 | 18.3 | |
| Kenya | 55,339,003 | 20.6 | |
| Uganda | 48,656,602 | 17.6 | |
| Mozambique | 33,635,160 | 17.4 | |
| Madagascar | 31,195,933 | 19.9 |





