Tax Bracket Comparison Calculator โ US, UK, Canada, Australia
Compare income tax brackets and effective tax rates across the US, UK, Canada, and Australia. Enter your income in USD to see side-by-side tax comparison.
$
Converted to local currency using approximate rates $0
US Federal Tax
$0
UK Income Tax
$0
Canada Fed. Tax
$0
Australia Tax
Country Comparison at Your Income
| Country | Income (local) | Tax (USD) | Effective Rate | After-Tax (USD) |
|---|
How to Use This International Tax Comparison Calculator
Enter your annual income in USD. The calculator converts to local currency, applies each country's current tax brackets, and converts back to USD for comparison. Select whether to include payroll/social insurance taxes for a more complete picture.
Exchange rates used: 1 USD = 0.79 GBP, 1.37 CAD, 1.55 AUD (approximate 2025 rates).
The Formula
Local income = USD income ร exchange rate
Tax = progressive bracket calculation per country
USD tax = local tax รท exchange rate
Effective rate = USD tax รท USD income ร 100
After-tax = USD income โ USD tax
Tax = progressive bracket calculation per country
USD tax = local tax รท exchange rate
Effective rate = USD tax รท USD income ร 100
After-tax = USD income โ USD tax
Example
$100,000 USD income comparison (2025 approximate):
US Federal only: ~$17,400 (17.4% effective) | After-tax: $82,600
UK: ยฃ79,000 income โ ~$21,500 tax equivalent (21.5%) | After-tax: $78,500
Canada (Ontario): C$137,000 โ ~$23,800 fed+prov equivalent (23.8%)
Australia: A$155,000 โ ~$31,800 (31.8% with Medicare) | After-tax: $68,200
Note: These are simplified estimates. Actual tax depends on deductions, credits, and provincial rates.
US Federal only: ~$17,400 (17.4% effective) | After-tax: $82,600
UK: ยฃ79,000 income โ ~$21,500 tax equivalent (21.5%) | After-tax: $78,500
Canada (Ontario): C$137,000 โ ~$23,800 fed+prov equivalent (23.8%)
Australia: A$155,000 โ ~$31,800 (31.8% with Medicare) | After-tax: $68,200
Note: These are simplified estimates. Actual tax depends on deductions, credits, and provincial rates.
Extended
Detailed Country Breakdown
Full bracket-by-bracket analysis for each country at your income level
Full bracket breakdown for each country at your income level.
United States โ Federal Brackets (2025)
| Bracket | Rate | Taxable in Bracket | Tax |
|---|
United Kingdom โ Income Tax (2025-26)
| Band | Rate | Taxable | Tax (GBP โ USD) |
|---|
Canada โ Federal Tax (2025)
| Bracket | Rate | Taxable | Tax (CAD โ USD) |
|---|
Australia โ Tax (2024-25)
| Bracket | Rate | Taxable | Tax (AUD โ USD) |
|---|
Frequently Asked Questions
Which country has the lowest income tax rates?
Among major developed countries, the US generally has lower top marginal rates (37%) than the UK (45%), Canada (33% federal + up to 21% provincial = 54%), and Australia (45%). However, effective rates depend on deductions, thresholds, and local/state taxes. The US also has FICA taxes (7.65%) and state income taxes, which raise the overall burden. Gulf states like UAE have 0% personal income tax.
How does US income tax compare to UK income tax?
The UK has three bands: 20% basic, 40% higher, 45% additional (above ยฃ125,140). The US has 7 brackets from 10% to 37%. The UK tax-free personal allowance is ยฃ12,570 (~$15,900) which is similar to the US standard deduction for single filers ($15,000 in 2025). For most income levels, the UK and US effective rates are broadly comparable, with the UK being slightly higher for middle incomes.
Does Canada have higher taxes than the US?
Federal rates in Canada top out at 33% vs 37% in the US. However, Canadian provinces add substantial income tax (4.5% to 21%), making combined rates of 46โ54% at high incomes. Canada also has higher payroll taxes (CPP and EI). In exchange, Canadians receive universal healthcare, paid parental leave, and other social benefits. Net effective burden depends heavily on province and income level.
How does Australia's tax system work?
Australia has 5 tax brackets: 0% (up to A$18,200), 19% ($18,201โ$45,000), 32.5% ($45,001โ$120,000), 37% ($120,001โ$180,000), and 45% over $180,000. There is a 2% Medicare Levy on top. The Low Income Tax Offset and Low and Middle Income Tax Offset provide rebates for lower incomes. Australia has no state/provincial income tax (though states/territories may have payroll tax for employers).
Why are these comparisons approximate?
Tax comparisons across countries are inherently complex. Exchange rates fluctuate. Deductions, credits, and allowances differ significantly. Social insurance contributions (SS/Medicare, NI, CPP/EI) function like taxes but are often excluded from "income tax" comparisons. Cost of living, purchasing power parity, and what you receive in public services vary. These calculations use simplified models for illustration purposes.