Tonga vs Portugal
Tax Rate Comparison
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๐ฐ Personal Income Tax Calculator
Enter your income to see your estimated annual tax liability in each country โ side by side.
๐น๐ด 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.
๐ต๐น Portugal โ 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)
๐ฐ Income Tax: ๐ต๐น Portugal has a higher top income tax rate (0โ20% vs 13.25โ48%). ๐น๐ด Tonga is more favourable for high earners.
๐ VAT/Sales Tax: Portugal has a higher consumption tax (15% vs 6โ23%).
๐ข Corporate Tax: ๐ต๐น Portugal offers a lower corporate rate (19% vs 25%), which can influence business location decisions.
๐ Capital Gains: ๐น๐ด Tonga taxes investment gains at a lower rate (0% vs 28%), benefiting investors.