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Tonga vs Sao Tome and Principe
Tax Rate Comparison

Enter your income below for a personal tax estimate, then scroll down for full rate breakdowns.

πŸ‡ΉπŸ‡΄ Tonga
vs
πŸ‡ΈπŸ‡Ή Sao Tome and Principe
Tax Year:

πŸ’° Personal Income Tax Calculator

Enter your income to see your estimated annual tax liability in each country β€” side by side.

Enter your annual income above to see your personal tax comparison β†’
Individual Income Tax (Top Marginal Rate)
Top Income Tax Rate
0–20%
No change
0–25%
No change
VAT / GST / Sales Tax
VAT / GST / Sales Tax
15%
No change
15%
No change
Corporate Tax Rate
Corporate Tax Rate
25%
No change
25%
No change
Capital Gains Tax
Capital Gains Tax
0%
No change
Taxed as income
No change
Social Security & Payroll
Social Security / Payroll
5% + 5%
No change
7% + 8%
No change
State, Regional & Local Taxes

πŸ‡ΉπŸ‡΄ Tonga β€” 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.

πŸ‡ΈπŸ‡Ή Sao Tome and Principe β€” Sao Tome & Principe Tax System

Sao Tome and Principe is a small island nation in the Gulf of Guinea with progressive income tax up to 25%. IVA (VAT) is 15%. The economy has long been dominated by cocoa exports and foreign aid. Offshore oil potential (Joint Development Zone with Nigeria) has not yet materialized in significant production. The country joined the EITI (Extractive Industries Transparency Initiative).

⚠️ Disclaimer: Rates shown are standard top/headline rates for informational purposes. Actual tax liability depends on income level, residency, deductions, and tax treaties. 2025–2026 data reflects announced or enacted rates and may be subject to change. Not financial or legal advice.

Tonga vs Sao Tome and Principe: Key Tax Differences (2026)

πŸ’° Income Tax: πŸ‡ΈπŸ‡Ή Sao Tome and Principe has a higher top income tax rate (0–20% vs 0–25%). πŸ‡ΉπŸ‡΄ Tonga is more favourable for high earners.

πŸ›’ VAT/Sales Tax: Both countries have comparable consumption tax rates (15% vs 15%).

🏒 Corporate Tax: Corporate rates are similar in both countries (25% vs 25%).

πŸ“ˆ Capital Gains: πŸ‡ΉπŸ‡΄ Tonga taxes investment gains at a lower rate (0% vs 25%), benefiting investors.

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