Tonga vs South Sudan
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.
🇸🇸 South Sudan — South Sudan Tax System
South Sudan became independent in 2011 and has a nascent tax system. Progressive income tax goes up to 20%. Oil revenue (from Unity and Upper Nile states) constitutes over 95% of government revenue, with non-oil tax collection very limited. Civil war (2013–2018 and ongoing localized conflict) devastated institutions. NRA (National Revenue Authority) is rebuilding capacity with international support.
Tonga vs South Sudan: Key Tax Differences (2026)
💰 Income Tax: Tonga and South Sudan have similar top income tax rates (0–20% vs 0–20%).
🛒 VAT/Sales Tax: South Sudan has a higher consumption tax (15% vs 18%).
🏢 Corporate Tax: 🇸🇸 South Sudan offers a lower corporate rate (20% vs 25%), which can influence business location decisions.
📈 Capital Gains: 🇹🇴 Tonga taxes investment gains at a lower rate (0% vs 20%), benefiting investors.