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Population · Sub-Saharan Africa · Lower-middle income

Mauritania: population and demography

Population is 5.3m (2025), 125th of 217 in the world and 34th of 48 in Sub-Saharan Africa. Population growth is 2.78% (2025), 18th of 217 in the world and 10th of 48 in Sub-Saharan Africa. Urban share is 61.5% (2025), 123rd of 217 in the world and 11th of 48 in Sub-Saharan Africa.

Population
Mauritania
02.0m4.0m6.0m1995200020052010201520202025Mauritania5.3m
Population growth
MauritaniaSub-Saharan AfricaLower-middle incomeWorld
0%1.0%2.0%3.0%4.0%1995200020052010201520202025Mauritania2.78%Sub-Saharan AfricaLower-middle incomeWorld
12 indicators

Population: Mauritania in detail

Latest reported value, world rank and rank within Sub-Saharan Africa; values around 2000, 2010, 2020; group and world columns are World Bank aggregates.

IndicatorLatestWorld rankIn region~2000~2010~202010-year changeRegionIncome groupWorldSince 2000
PopulationPopulation5.3m2025125/21734/482.6m3.4m4.6m+34%since 20151.3bn2.9bn8.2bn
Population growthPopulation growth, annual %2.78%202518/21710/482.78%3.19%2.92%−0.2 ppsince 20152.43%1.30%0.91%
Urban shareUrban population, % of total61.5%2025123/21711/4838.1%46.0%57.0%+9.8 ppsince 201544.7%42.0%57.8%
DensityPopulation density, people per km²5.02024206/21646/482.53.34.5+34%since 201452.7152.062.1
FertilityFertility rate, births per woman4.62202411/21710/485.465.384.91−12%since 20144.262.622.19
Birth rateBirth rate, per 1,000 people34.0202413/21711/4837.938.935.7−11%since 201432.821.116.3
Death rateDeath rate, per 1,000 people5.42024182/21744/488.97.16.4−25%since 20148.06.97.6
Aged 0–14Population aged 0–14, % of total42.4%202512/21711/4844.2%43.9%43.8%−1.9 ppsince 201540.4%29.5%24.4%
Aged 65+Population aged 65+, % of total3.2%2025186/21725/483.1%3.5%3.3%−0.3 ppsince 20153.2%6.0%10.4%
Dependency ratioAge dependency ratio, % of working-age population83.9%202511/21710/4889.7%90.2%88.9%−7.6 ppsince 201578.1%56.1%54.5%
Net migrationNet migration, people-5,0442025135/21722/48-2,9971,128-1,483−67%since 2015-223,909-3.1m0
Adolescent birthsAdolescent fertility, births per 1,000 women aged 15–1987.6202425/21724/4889.9101.892.9−12%since 201491.942.538.3
Source: World Bank, World Development Indicators (CC BY 4.0)“·” — no value reported within two years of that date. World rank counts countries with a recent value.

Better than ten years ago

Worse than ten years ago

No rated indicator got worse over the decade.

Only indicators where higher or lower is clearly better are rated (for example, unemployment down is better, life expectancy up is better).

neighbours

Mauritania and its neighbours

Countries sharing a land border with Mauritania. Latest values since 2005; the highest in each row is marked.

IndicatorMauritaniaAlgeriaMaliSenegal
Population5.3m202547.4m202525.2m202518.9m2025
Population growth2.78%20251.32%20252.90%20252.30%2025
Urban share61.5%202575.8%202532.2%202555.8%2025
Density5.0202419.7202420.1202496.12024
Fertility4.6220242.7220245.5120243.772024
Birth rate34.0202418.8202439.5202429.22024
Death rate5.420244.620248.520245.52024
Aged 0–1442.4%202529.9%202545.8%202537.7%2025
Aged 65+3.2%20256.8%20252.4%20253.6%2025