WorldTax Compareโ† All Comparisons

Australia vs Papua New Guinea
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‡ต๐Ÿ‡ฌ Papua New Guinea
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
22โ€“42%
42% top; resource boom affecting distribution
No change
VAT / GST / Sales Tax
VAT / GST / Sales Tax
10%
No change planned
No change
10%
GST 10% maintained
No change
Corporate Tax Rate
Corporate Tax Rate
25โ€“30%
Stable; Pillar Two active for large MNCs
No change
30%
30%; new LNG projects fiscal terms negotiation
No change
Capital Gains Tax
Capital Gains Tax
0โ€“22.5%
50% discount maintained
No change
17%
17% non-residents
No change
Social Security & Payroll
Social Security / Payroll
12%
12% super guarantee; target rate reached
No change
~12.5%
Superannuation fund growth; coverage limited to formal
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‡ต๐Ÿ‡ฌ Papua New Guinea โ€” Provincial & 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.

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 Papua New Guinea: Key Tax Differences (2026)

๐Ÿ’ฐ Income Tax: ๐Ÿ‡ฆ๐Ÿ‡บ Australia has a higher top income tax rate (0โ€“45% vs 22โ€“42%). ๐Ÿ‡ต๐Ÿ‡ฌ Papua New Guinea 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‡ต๐Ÿ‡ฌ Papua New Guinea taxes investment gains at a lower rate (17% vs 22.5%), benefiting investors.

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