Tonga vs South Korea
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.
🇰🇷 South Korea — Local Income Tax & Resident Tax
South Korea's 17 metropolitan/provincial governments levy local income tax at 10% of national income tax. Property holding tax (Jongbu-se) is a national progressive tax on higher-value properties. Local education taxes and acquisition taxes apply to property transfers. Seoul has higher effective rates due to property values.
Tonga vs South Korea: Key Tax Differences (2026)
💰 Income Tax: 🇰🇷 South Korea has a higher top income tax rate (0–20% vs 6–45%). 🇹🇴 Tonga is more favourable for high earners.
🛒 VAT/Sales Tax: Tonga has a higher consumption tax (15% vs 10%).
🏢 Corporate Tax: 🇰🇷 South Korea offers a lower corporate rate (24% vs 25%), which can influence business location decisions.
📈 Capital Gains: 🇹🇴 Tonga taxes investment gains at a lower rate (0% vs 45%), benefiting investors.