WorldTax Compareโ† All Comparisons

Japan vs Mauritania
Tax Rate Comparison

Enter your income below for a personal tax estimate, then scroll down for full rate breakdowns.

๐Ÿ‡ฏ๐Ÿ‡ต Japan
vs
๐Ÿ‡ฒ๐Ÿ‡ท Mauritania
Tax Year:

๐Ÿ’ฐ Personal Income Tax Calculator

Enter your income to see your estimated annual tax liability in each country โ€” side by side.

Enter your annual income above to see your personal tax comparison โ†’
Individual Income Tax (Top Marginal Rate)
Top Income Tax Rate
5โ€“45%
Basic deduction increase for low earners
No change
0โ€“40%
No change
VAT / GST / Sales Tax
VAT / GST / Sales Tax
8โ€“10%
No rate change; digital services tax under review
No change
16%
No change
Corporate Tax Rate
Corporate Tax Rate
~30.62%
Global Minimum Tax applies to large MNCs
No change
25%
No change
Capital Gains Tax
Capital Gains Tax
20.315%
Expanded NISA (tax-free investment) ongoing
No change
Taxed as income
No change
Social Security & Payroll
Social Security / Payroll
~28.5%
Coverage expansion to part-time workers ongoing
No change
3% + 15%
No change
State, Regional & Local Taxes

๐Ÿ‡ฏ๐Ÿ‡ต Japan โ€” Prefectural & Municipal Inhabitant Tax

Japan's 47 prefectures levy inhabitant tax (ไฝๆฐ‘็จŽ) at a flat 10% on top of national income tax โ€” 4% prefectural + 6% municipal. A reconstruction special income tax of 2.1% of national tax applies through 2037. Property acquisition tax and fixed asset tax (1.4% of assessed value) are levied locally. Large cities impose additional taxes on large businesses.

๐Ÿ‡ฒ๐Ÿ‡ท Mauritania โ€” Mauritania Tax System

Mauritania has progressive income tax up to 40%. TVA is 16%. The economy is transitioning with new offshore gas production (Grand Tortue Ahmeyim LNG, launched 2024) set to significantly boost government revenues. Iron ore and fisheries are established export sectors. The DGI administers taxation. A 2022 amnesty for offshore assets repatriation was offered.

โš ๏ธ Disclaimer: Rates shown are standard top/headline rates for informational purposes. Actual tax liability depends on income level, residency, deductions, and tax treaties. 2025โ€“2026 data reflects announced or enacted rates and may be subject to change. Not financial or legal advice.

Japan vs Mauritania: Key Tax Differences (2026)

๐Ÿ’ฐ Income Tax: ๐Ÿ‡ฏ๐Ÿ‡ต Japan has a higher top income tax rate (5โ€“45% vs 0โ€“40%). ๐Ÿ‡ฒ๐Ÿ‡ท Mauritania is more favourable for high earners.

๐Ÿ›’ VAT/Sales Tax: Mauritania has a higher consumption tax (8โ€“10% vs 16%).

๐Ÿข Corporate Tax: ๐Ÿ‡ฒ๐Ÿ‡ท Mauritania offers a lower corporate rate (25% vs 30.62%), which can influence business location decisions.

๐Ÿ“ˆ Capital Gains: ๐Ÿ‡ฏ๐Ÿ‡ต Japan taxes investment gains at a lower rate (20.315% vs 25%), benefiting investors.

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