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Tonga vs Japan
Tax Rate Comparison

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

๐Ÿ‡น๐Ÿ‡ด Tonga
vs
๐Ÿ‡ฏ๐Ÿ‡ต Japan
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
0โ€“20%
No change
5โ€“45%
Basic deduction increase for low earners
No change
VAT / GST / Sales Tax
VAT / GST / Sales Tax
15%
No change
8โ€“10%
No rate change; digital services tax under review
No change
Corporate Tax Rate
Corporate Tax Rate
25%
No change
~30.62%
Global Minimum Tax applies to large MNCs
No change
Capital Gains Tax
Capital Gains Tax
0%
No change
20.315%
Expanded NISA (tax-free investment) ongoing
No change
Social Security & Payroll
Social Security / Payroll
5% + 5%
No change
~28.5%
Coverage expansion to part-time workers ongoing
No change
State, Regional & Local Taxes

๐Ÿ‡น๐Ÿ‡ด Tonga โ€” Tonga Tax System

Tonga levies income tax at a flat 20% on income above the personal allowance. No capital gains tax. Consumption tax at 15% replaced the previous sales tax. The economy is heavily reliant on remittances (over 40% of GDP) from Tongans abroad, mainly in Australia, New Zealand and the US. Agriculture and fishing are the main domestic sectors.

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.

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.

Tonga vs Japan: Key Tax Differences (2026)

๐Ÿ’ฐ Income Tax: ๐Ÿ‡ฏ๐Ÿ‡ต Japan has a higher top income tax rate (0โ€“20% vs 5โ€“45%). ๐Ÿ‡น๐Ÿ‡ด Tonga is more favourable for high earners.

๐Ÿ›’ VAT/Sales Tax: Tonga has a higher consumption tax (15% vs 8โ€“10%).

๐Ÿข Corporate Tax: ๐Ÿ‡น๐Ÿ‡ด Tonga offers a lower corporate rate (25% vs 30.62%), which can influence business location decisions.

๐Ÿ“ˆ Capital Gains: ๐Ÿ‡น๐Ÿ‡ด Tonga taxes investment gains at a lower rate (0% vs 20.315%), benefiting investors.

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