Tonga vs Japan
Tax Rate Comparison
Enter your income below for a personal tax estimate, then scroll down for full rate breakdowns.
💰 Personal Income Tax Calculator
Enter your income to see your estimated annual tax liability in each country — side by side.
Individual Income Tax (Top Marginal Rate)
VAT / GST / Sales Tax
Corporate Tax Rate
Capital Gains Tax
Social Security & Payroll
🇹🇴 Tonga — 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.
🇯🇵 Japan — Prefectural & Municipal Inhabitant Tax
Japan's 47 prefectures levy inhabitant tax (住民税) at a flat 10% on top of national income tax — 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.
Tonga vs Japan: Key Tax Differences (2026)
💰 Income Tax: 🇯🇵 Japan has a higher top income tax rate (0–20% vs 5–45%). 🇹🇴 Tonga is more favourable for high earners.
🛒 VAT/Sales Tax: Tonga has a higher consumption tax (15% vs 8–10%).
🏢 Corporate Tax: 🇹🇴 Tonga offers a lower corporate rate (25% vs 30.62%), which can influence business location decisions.
📈 Capital Gains: 🇹🇴 Tonga taxes investment gains at a lower rate (0% vs 20.315%), benefiting investors.