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Papua New Guinea vs Australia
Tax Rate Comparison

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

🇵🇬 Papua New Guinea
vs
🇦🇺 Australia
Tax Year:

💰 Personal Income Tax Calculator

Enter your income to see your estimated annual tax liability in each country — side by side.

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Individual Income Tax (Top Marginal Rate)

Top Income Tax Rate
22–42%
42% top; resource boom affecting distribution
No change
0–45%
+ 2% Medicare; thresholds indexed to CPI
No change

VAT / GST / Sales Tax

VAT / GST / Sales Tax
10%
GST 10% maintained
No change
10%
No change planned
No change

Corporate Tax Rate

Corporate Tax Rate
30%
30%; new LNG projects fiscal terms negotiation
No change
25–30%
Stable; Pillar Two active for large MNCs
No change

Capital Gains Tax

Capital Gains Tax
17%
17% non-residents
No change
0–22.5%
50% discount maintained
No change

Social Security & Payroll

Social Security / Payroll
~12.5%
Superannuation fund growth; coverage limited to formal
No change
12%
12% super guarantee; target rate reached
No change
State, Regional & Local Taxes

🇵🇬 Papua New GuineaProvincial & Local Government Taxes

Papua New Guinea's 22 provinces and the National Capital District levy their own provincial income taxes on certain income types, business licence fees, and sundry local charges. The Internal Revenue Commission (IRC) administers national taxes. PNG's economy is dominated by extractive industries (LNG, gold, copper) under fiscal resource contracts. The LNG sector has transformed government revenues. Significant informal economy and subsistence agriculture outside the formal tax base. A GST at 10% applies broadly.

🇦🇺 AustraliaState & Territory Taxes

Australia's 6 states and 2 territories levy payroll tax (4.75%–6.85%), stamp duty on property, and land tax on investment properties. There is no state income tax — 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.

⚠️ 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.

Papua New Guinea vs Australia: Key Tax Differences (2026)

💰 Income Tax: 🇦🇺 Australia has a higher top income tax rate (22–42% vs 0–45%). 🇵🇬 Papua New Guinea is more favourable for high earners.

🛒 VAT/Sales Tax: Both countries have comparable consumption tax rates (10% vs 10%).

🏢 Corporate Tax: Corporate rates are similar in both countries (30% vs 25–30%).

📈 Capital Gains: 🇵🇬 Papua New Guinea taxes investment gains at a lower rate (17% vs 22.5%), benefiting investors.

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