Gambia vs Tonga
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
🇬🇲 Gambia — Gambia Tax System
The Gambia has progressive income tax up to 35%. Standard GST is 15%. Following the end of Yahya Jammeh's 22-year dictatorship in 2017, President Adama Barrow has been rebuilding democratic institutions. The economy is heavily tourism-dependent and relies on groundnut exports and remittances. GRA (Gambia Revenue Authority) administers tax collection.
🇹🇴 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.
Gambia vs Tonga: Key Tax Differences (2026)
💰 Income Tax: 🇬🇲 Gambia has a higher top income tax rate (0–35% vs 0–20%). 🇹🇴 Tonga is more favourable for high earners.
🛒 VAT/Sales Tax: Both countries have comparable consumption tax rates (15% vs 15%).
🏢 Corporate Tax: 🇹🇴 Tonga offers a lower corporate rate (25% vs 27%), which can influence business location decisions.
📈 Capital Gains: 🇹🇴 Tonga taxes investment gains at a lower rate (0% vs 27%), benefiting investors.