Mauritania Population Pyramid 2015
Mauritania in 2015
In 2015, Mauritania had a total population of 3,965,958 people. Over the previous ten years the population grew by 34.9%, up from 2,939,058 in 2005.
With a median age of 17.8 years, Mauritania had a youth dependency ratio of 84.8 and an old-age dependency ratio of 6.8 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.
In 2023 women in Mauritania had on average 4.70 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 68.5 years on average (70.5 years for girls, 66.5 for boys).
Source: World Bank World Development Indicators, latest available year.
189,807 immigrants live in Mauritania, 3.7% of the population.
| Mali | 122,945 |
| Western Sahara | 32,947 |
| Senegal | 20,739 |
| Guinea | 3,650 |
| Algeria | 1,922 |
91,705 people born in Mauritania live in other countries.
| Senegal | 47,547 |
| Mali | 27,160 |
| Gambia | 3,992 |
| Congo | 3,111 |
| Belgium | 3,018 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Mauritania | 3,965,959 | 17.8 | |
| Liberia | 4,659,431 | 18.7 | |
| Gambia | 2,224,529 | 17.9 | |
| Guinea-Bissau | 1,786,457 | 18.6 | |
| Sierra Leone | 7,037,655 | 18.7 |





