Tonga vs Portugal
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.
🇵🇹 Portugal — Municipal & Regional Taxes
Portugal's 18 districts and 308 municipalities levy a municipal IRS surcharge (Derrama Municipal) of up to 1.5% of taxable income on residents. Municipalities also apply the Derrama Municipal on corporate profits (up to 1.5%). Madeira and Azores autonomous regions have their own lower tax regimes: Madeira has a 14.7% corporate rate in the MIBC (international business centre). Real estate transfer taxes (IMT) are municipal. The NHR (Non-Habitual Resident) regime attracted many foreigners until 2024 when it was replaced by IFICI.
Tonga vs Portugal: Key Tax Differences (2026)
💰 Income Tax: 🇵🇹 Portugal has a higher top income tax rate (0–20% vs 13.25–48%). 🇹🇴 Tonga is more favourable for high earners.
🛒 VAT/Sales Tax: Portugal has a higher consumption tax (15% vs 6–23%).
🏢 Corporate Tax: 🇵🇹 Portugal offers a lower corporate rate (19% vs 25%), which can influence business location decisions.
📈 Capital Gains: 🇹🇴 Tonga taxes investment gains at a lower rate (0% vs 28%), benefiting investors.