Mauritania Population Pyramid 2018
Mauritania in 2018
As of 2018, Mauritania counted 4,337,685 inhabitants. A decade earlier, in 2008, the population was 3,183,268; it has grown by 36.3% since.
The median age was 17.8 years, and for every 100 people of working age (15–64) there were 83.9 children under 15 and 6.3 people aged 65 or over. 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.
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 | 4,337,685 | 17.8 | |
| Liberia | 4,944,726 | 18.8 | |
| Gambia | 2,399,632 | 18.4 | |
| Guinea-Bissau | 1,922,168 | 19.1 | |
| Sierra Leone | 7,554,563 | 19.2 |





