Indicator	Value
Total population	5,170,000 peopleUN DESA WPP [2024] 5,169,000 people·World Bank WDI [2024] 5,169,000 people
Median age	17.3 yearsUN DESA WPP [2024]
Life expectancy	68.5–68.7 yearsWorld Bank WDI [2024] 68.71 years·UNDP HDI [2023] 68.48 years
Ethnic groups	Black Moors (Haratines - Arabic-speaking descendants of African origin who are or were enslaved by White Moors) 40%, White Moors (of Arab-Amazigh descent, known as Beydane) 30%, Sub-Saharan Mauritanians (non-Arabic speaking, largely resident in or originating from the Senegal River Valley, including Halpulaar, Fulani, Soninke, Wolof, and Bambara ethnic groups) 30%CIA World Factbook [2025] · 2026 archive
Languages	Arabic (official and national), Pular, Soninke, Wolof (all national languages), FrenchCIA World Factbook [2025] · 2026 archive
Religions	Muslim (official) 100%CIA World Factbook [2025] · 2026 archive
Urbanization	57.7% of total population (2023)CIA World Factbook [2025] · 2026 archive
Population growth	2.88 %World Bank WDI [2024]
Birth rate	34 per 1,000World Bank WDI [2024]
Death rate	5.41 per 1,000World Bank WDI [2024]
Urban population	60.6 %World Bank WDI [2024]
Languages (structured)	American Sign Language / Hassaniyya / Imeraguen / Koyra Chiini Songhay / Maasina Fulfulde / Pulaar / Soninke / Western Maninkakan / Wolof / ZenagaGlottolog [2026]