MR · AfricaUS · Americas

Mauritania vs United States: tax rates compared

United States's income tax rate is 3.7pp higher than Mauritania's (43.7% vs 40%). The 200-country average is 28%: both sit above it. Mauritania's figure is dated 2026-03-31 and United States's 2025-01-01, so the two rates come from different data vintages.

Verified data covers three of the six tracked tax types for both countries; every rate below is cited to its source and dated.

At a glance

0102030405060Income40%43.7%Corporate25%25.6%Wealth Tax0%
three shared taxes, side by side
Tax MR USDifference
Income Tax40%43.7%US +3.7 pplargest gap
Corporate Tax25%25.6%US +0.6 pp
Wealth Tax0%0%match

Income Tax

Income Tax, side by side
CountryRateSource
Mauritania40%Source: PWC Worldwide Tax Summaries — Mauritania (Individual, Taxes on personal income) · as of 2026-03-31
United States43.7%Source: OECD Tax Database — Top statutory personal income tax rates · as of 2025-01-01
Difference−3.7 ppUnited States higher

Corporate Tax

Corporate Tax, side by side
CountryRateSource
Mauritania25%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
United States25.6%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
Difference−0.6 ppUnited States higher

United States's corporate tax rate is 0.6pp higher than Mauritania's (25.6% vs 25%). The 201-country average is 22.6%: both sit above it.

Wealth Tax

Wealth Tax, side by side
CountryRateSource
Mauritania0%Source: PWC Worldwide Tax Summaries — Net wealth/worth tax rates (quick chart) · as of 2026-03-31
United States0%Source: PWC Worldwide Tax Summaries — United States (Individual, Other taxes) · as of 2026-03-18
Difference0 ppdisplayed rates match

Mauritania's wealth tax rate is identical to United States's — both sit at 0%. The 193-country average is 0.1%: both sit below it.

Not covered for both countries yet: VAT, Capital Gains Tax, Crypto Tax.