Sri Lanka vs Papua New Guinea: Income Tax Compared (2026)
Sri Lanka vs Papua New Guinea: tax rates, brackets, and take-home pay compared side by side.
| Metric |  Sri Lanka |  Papua New Guinea |
|---|---|---|
| Currency | LKR | PGK |
| Top marginal rate | 36% | 42% |
| Standard deduction | ₨4,160,000 | K54,000 |
| Filing deadline | 31 July | 31 October |
Estimated at $75,000 USD-equivalent income
Sri Lanka net income ≈ ₨19,598,180 (12.9% effective rate)
Papua New Guinea net income ≈ K248,508 (15.0% effective rate)
Sri Lanka Pros & Cons
- ✓Lower top tax rate than Papua New Guinea (36% vs 42%)
- ✓₨4,160,000 standard deduction before tax applies
- ✓Clear filing deadline: 31 July
- ✕Top earners face a marginal rate of up to 36%
- ✕Progressive brackets mean higher earners pay a larger share
Papua New Guinea Pros & Cons
- ✓K54,000 standard deduction before tax applies
- ✓Clear filing deadline: 31 October
- ✕Top earners face a marginal rate of up to 42%
- ✕Higher top rate than Sri Lanka by 6.0 points
- ✕Progressive brackets mean higher earners pay a larger share
Frequently asked questions
At $75,000 income, how does take-home pay compare?+
On an estimated $75,000 USD-equivalent income, our calculator shows Sri Lanka take-home of roughly ₨19,598,180 (12.9% effective rate) versus Papua New Guinea's K248,508 (15.0% effective rate). Use the calculator above with your own income for a personalized estimate.
Which has the higher top tax rate, Sri Lanka or Papua New Guinea?+
Papua New Guinea has the higher top marginal rate at 42%, compared to Sri Lanka's 36%.
What's the standard deduction in each country?+
Sri Lanka's estimated standard deduction is ₨4,160,000, while Papua New Guinea's is K54,000. A larger deduction reduces the income that's actually taxed.
Are these figures exact?+
No — these are estimates generated from a simplified model of each country's published tax brackets, intended for planning purposes. They don't account for every credit, allowance, or surcharge. Always confirm current-year figures with Sri Lanka's and Papua New Guinea's official tax authorities before making a decision.
Compare Sri Lanka with other countries
Compare Papua New Guinea with other countries
Figures shown are estimates for the current tax year and do not include every deduction, credit or surcharge that may apply. Always confirm with each country's official tax authority.