Mauritania Population Pyramid 2022
Mauritania in 2022
As of 2022, Mauritania counted 4,875,637 inhabitants. A decade earlier, in 2012, the population was 3,619,034; it has grown by 34.7% since.
With a median age of 18.1 years, Mauritania had a youth dependency ratio of 81.1 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.
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 | 4,875,638 | 18.1 | |
| Liberia | 5,373,294 | 19.2 | |
| Gambia | 2,636,470 | 19.1 | |
| Guinea-Bissau | 2,105,529 | 19.8 | |
| Sierra Leone | 8,276,807 | 20.0 |





