GG · EuropeMR · Africa

Guernsey vs Mauritania: tax rates compared

Mauritania's income tax rate is 20pp higher than Guernsey's (40% vs 20%). The 200-country average is 28%: Guernsey sits below it, Mauritania sits above it. Guernsey's figure is dated 2025-12-17 and Mauritania's 2026-03-31, so the two rates come from different data vintages.

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

At a glance

0102030405060Income20%40%Corporate0%25%VAT0%16%Wealth Tax0%
four shared taxes, side by side
Tax GG MRDifference
Income Tax20%40%MR +20 pp
Corporate Tax0%25%MR +25 pplargest gap
VAT0%16%MR +16 pp
Wealth Tax0%0%match

Income Tax

Income Tax, side by side
CountryRateSource
Guernsey20%Source: PwC Worldwide Tax Summaries — Guernsey, Channel Islands, Individual - Taxes on personal income · as of 2025-12-17
Mauritania40%Source: PWC Worldwide Tax Summaries — Mauritania (Individual, Taxes on personal income) · as of 2026-03-31
Difference−20 ppMauritania higher

Corporate Tax

Corporate Tax, side by side
CountryRateSource
Guernsey0%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
Mauritania25%Source: Tax Foundation — Worldwide Corporate Tax Rates · as of 2025-01-01
Difference−25 ppMauritania higher

Mauritania's corporate tax rate is 25pp higher than Guernsey's (25% vs 0%). The 201-country average is 22.6%: Guernsey sits below it, Mauritania sits above it.

VAT

VAT, side by side
CountryRateSource
Guernsey0%Source: PWC Worldwide Tax Summaries — Guernsey (Individual, Other taxes) · as of 2025-12-17
Mauritania16%Source: PWC Worldwide Tax Summaries — Mauritania (Corporate, Other taxes) · as of 2026-03-31
Difference−16 ppMauritania higher

Mauritania's VAT rate is 16pp higher than Guernsey's (16% vs 0%). The 181-country average is 15%: Guernsey sits below it, Mauritania sits above it. Guernsey's figure is dated 2025-12-17 and Mauritania's 2026-03-31, so the two rates come from different data vintages.

Wealth Tax

Wealth Tax, side by side
CountryRateSource
Guernsey0%Source: PWC Worldwide Tax Summaries — Guernsey (Individual, Other taxes) · as of 2025-12-17
Mauritania0%Source: PWC Worldwide Tax Summaries — Net wealth/worth tax rates (quick chart) · as of 2026-03-31
Difference0 ppdisplayed rates match

Guernsey's wealth tax rate is identical to Mauritania's — both sit at 0%. The 193-country average is 0.1%: both sit below it. Guernsey's figure is dated 2025-12-17 and Mauritania's 2026-03-31, so the two rates come from different data vintages.

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