Tonga vs Saint Lucia
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.
🇱🇨 Saint Lucia — Saint Lucia Tax System
Saint Lucia levies personal income tax at a flat 30% above a generous personal allowance. There is no capital gains tax. The Citizenship by Investment programme (since 2015) provides an alternative path to residency. VAT at 12.5% was introduced in 2012. Tourism and offshore banking are major sectors.
Tonga vs Saint Lucia: Key Tax Differences (2026)
💰 Income Tax: 🇱🇨 Saint Lucia has a higher top income tax rate (0–20% vs 0–30%). 🇹🇴 Tonga is more favourable for high earners.
🛒 VAT/Sales Tax: Tonga has a higher consumption tax (15% vs 12.5%).
🏢 Corporate Tax: 🇹🇴 Tonga offers a lower corporate rate (25% vs 30%), which can influence business location decisions.