United Republic of Tanzania Population Pyramid 1971
United Republic of Tanzania in 1971
The population of the United Republic of Tanzania in 1971 was 13,971,450. Over the previous ten years the population grew by 37.1%, up from 10,187,886 in 1961.
Half of the population was younger than 17.0 years; 46.1% were children under 15 and 2.6% 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 | 13,971,451 | 17.0 | |
| Kenya | 11,788,904 | 14.4 | |
| Uganda | 10,618,206 | 16.6 | |
| Mozambique | 8,456,317 | 18.6 | |
| Madagascar | 6,868,868 | 16.7 |





