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Solomon Islands vs Tonga
Tax Rate Comparison

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

πŸ‡ΈπŸ‡§ Solomon Islands
vs
πŸ‡ΉπŸ‡΄ Tonga
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
0–40%
No change
0–20%
No change
VAT / GST / Sales Tax
VAT / GST / Sales Tax
10%
No change
15%
No change
Corporate Tax Rate
Corporate Tax Rate
30%
No change
25%
No change
Capital Gains Tax
Capital Gains Tax
0%
No change
0%
No change
Social Security & Payroll
Social Security / Payroll
5% + 7.5%
No change
5% + 5%
No change
State, Regional & Local Taxes

πŸ‡ΈπŸ‡§ Solomon Islands β€” Solomon Islands Tax System

The Solomon Islands levies income tax at progressive rates up to 40%. GST (Goods and Services Tax) replaced import duties for many items. Tax administration is handled by the Inland Revenue Division. Logging, fishing, and subsistence agriculture dominate the economy. Political instability and dependence on aid are ongoing challenges.

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.

⚠️ 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.

Solomon Islands vs Tonga: Key Tax Differences (2026)

πŸ’° Income Tax: πŸ‡ΈπŸ‡§ Solomon Islands has a higher top income tax rate (0–40% vs 0–20%). πŸ‡ΉπŸ‡΄ Tonga is more favourable for high earners.

πŸ›’ VAT/Sales Tax: Tonga has a higher consumption tax (10% vs 15%).

🏒 Corporate Tax: πŸ‡ΉπŸ‡΄ Tonga offers a lower corporate rate (25% vs 30%), which can influence business location decisions.

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