WorldTax Compareโ† All Comparisons

Australia vs Solomon Islands
Tax Rate Comparison

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

๐Ÿ‡ฆ๐Ÿ‡บ Australia
vs
๐Ÿ‡ธ๐Ÿ‡ง Solomon Islands
Tax Year:

๐Ÿ’ฐ Personal Income Tax Calculator

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

Enter your annual income above to see your personal tax comparison โ†’
Individual Income Tax (Top Marginal Rate)
Top Income Tax Rate
0โ€“45%
+ 2% Medicare; thresholds indexed to CPI
No change
0โ€“40%
No change
VAT / GST / Sales Tax
VAT / GST / Sales Tax
10%
No change planned
No change
10%
No change
Corporate Tax Rate
Corporate Tax Rate
25โ€“30%
Stable; Pillar Two active for large MNCs
No change
30%
No change
Capital Gains Tax
Capital Gains Tax
0โ€“22.5%
50% discount maintained
No change
0%
No change
Social Security & Payroll
Social Security / Payroll
12%
12% super guarantee; target rate reached
No change
5% + 7.5%
No change
State, Regional & Local Taxes

๐Ÿ‡ฆ๐Ÿ‡บ Australia โ€” State & Territory Taxes

Australia's 6 states and 2 territories levy payroll tax (4.75%โ€“6.85%), stamp duty on property, and land tax on investment properties. There is no state income tax โ€” income tax is federal only. The Stage 3 tax cuts (effective July 2024) restructured brackets significantly. The ACT is progressively replacing stamp duty with broad-based land value tax. Councils levy rates on property owners.

๐Ÿ‡ธ๐Ÿ‡ง Solomon Islands โ€” 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.

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

Australia vs Solomon Islands: Key Tax Differences (2026)

๐Ÿ’ฐ Income Tax: ๐Ÿ‡ฆ๐Ÿ‡บ Australia has a higher top income tax rate (0โ€“45% vs 0โ€“40%). ๐Ÿ‡ธ๐Ÿ‡ง Solomon Islands is more favourable for high earners.

๐Ÿ›’ VAT/Sales Tax: Both countries have comparable consumption tax rates (10% vs 10%).

๐Ÿข Corporate Tax: Corporate rates are similar in both countries (25โ€“30% vs 30%).

๐Ÿ“ˆ Capital Gains: ๐Ÿ‡ธ๐Ÿ‡ง Solomon Islands taxes investment gains at a lower rate (0% vs 22.5%), benefiting investors.

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