San Marino vs Portugal
Tax Rate Comparison
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💰 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
🇸🇲 San Marino — Municipal Taxes (Castelli)
San Marino's 9 castelli (municipalities) levy local property tax supplements and communal fees. San Marino is an enclave within Italy using the euro but maintaining fiscal sovereignty under a Convention with the EU. The income tax (IRPEF) uses a progressive scale. San Marino aims to be a competitive financial jurisdiction while maintaining EU market access — with corporate tax notably lower than neighbouring Italy.
🇵🇹 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.
San Marino vs Portugal: Key Tax Differences (2026)
💰 Income Tax: 🇵🇹 Portugal has a higher top income tax rate (9–35% vs 13.25–48%). 🇸🇲 San Marino is more favourable for high earners.
🛒 VAT/Sales Tax: Portugal has a higher consumption tax (17% vs 6–23%).
🏢 Corporate Tax: 🇸🇲 San Marino offers a lower corporate rate (17% vs 19%), which can influence business location decisions.
📈 Capital Gains: 🇸🇲 San Marino taxes investment gains at a lower rate (17% vs 28%), benefiting investors.