Australia vs UK — Tax Comparison 2025-26
Australia: 16%–45% across 4 brackets. United Kingdom: 0%–45% across 5 brackets. Compare take-home pay side by side for employees and contractors.
USD amounts use approximate exchange rates (AUD: 0.7192, GBP: 1.3567). Local currency figures are exact.
| Metric | Australia | United Kingdom |
|---|---|---|
| Gross (AUD/GBP) | $139,038 | £73,709 |
| Gross (USD) | $100,000 | $100,001 |
| Income Tax | $32,782 | £16,916 |
| Social Security | $2,781 | £3,485 |
| Net (AUD/GBP) | $103,475 | £53,309 |
| Net (USD) | $74,422+$2,099 | $72,323 |
| Effective Rate | 25.6% | 27.7% |
Gross (AUD/GBP)
Australia
$139,038
United Kingdom
£73,709
Gross (USD)
Australia
$100,000
United Kingdom
$100,001
Income Tax
Australia
$32,782
United Kingdom
£16,916
Social Security
Australia
$2,781
United Kingdom
£3,485
Net (AUD/GBP)
Australia
$103,475
United Kingdom
£53,309
Net (USD)
Australia
$74,422
+$2,099United Kingdom
$72,323
Effective Rate
Australia
25.6%
United Kingdom
27.7%
Bottom Line
At $100,000/year income
Australia gives you $2,099 more per year ($175/mo) as an employee
United Kingdom gives you $10,967 more per year ($914/mo) as a contractor
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How Taxes Work
Australia Tax System
Employee
- ·FY 2025-26 (Stage 3 tax cuts).
- ·Tax-free threshold $18,200.
- ·Brackets: 16% to $45,000, 30% to $135,000, 37% to $190,000, 45% above.
- ·Medicare Levy 2% on all taxable income.
- ·Employer pays Superannuation (11.5%) on top of salary — not deducted from your pay.
- ·Low Income Tax Offset (LITO, up to $700) and Medicare Levy Surcharge (1-1.5%) not included.
Contractor
- ·Sole trader / ABN holder.
- ·Same income tax brackets and tax-free threshold as employees.
- ·Medicare Levy 2%.
- ·Must fund own superannuation: 11.5% of income (voluntary but recommended), capped at ~$260,280/yr.
- ·LITO not included.
- ·GST obligations (if turnover exceeds $75,000) are separate from income tax.
United Kingdom Tax System
Employee
- ·Income tax: 20%/40%/45% with £12,570 personal allowance.
- ·Allowance tapers £1 per £2 above £100k (effective 60% rate on £100k–£125,140).
- ·NI Class 1: 8% on £12,570–£50,270, 2% above (no cap).
- ·Frozen through 2027/28.
Contractor
- ·Same income tax and PA taper.
- ·NI Class 4: 6% on £12,570–£50,270, 2% above (no cap).
- ·£1,000 trading allowance.
- ·Frozen through 2027/28.
Full Australia Tax Calculator →
Detailed breakdown with custom income
Full United Kingdom Tax Calculator →
Detailed breakdown with custom income
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Frequently Asked Questions
Do Australians or Brits pay more income tax?
- ·Australia's Stage 3 brackets range from 16-45%.
- ·The UK ranges from 20-45% with a hidden 60% band.
- ·Australia adds 2% Medicare Levy.
- ·The UK has National Insurance.
- ·At $100K, effective rates are similar.
- ·Australia has no tax-free threshold issue like the UK's PA taper.
How do social contributions compare between Australia and UK?
- ·Australia's employer-paid Super (11.5%) is separate from the employee's tax burden.
- ·Employees pay the 2% Medicare Levy.
- ·UK employees pay National Insurance in tiers (8%/2%).
- ·For self-employed, the UK is generally cheaper — Australia adds the full Medicare Levy with no self-employed discount.
Can I work remotely between Australia and the UK?
- ·The Australia-UK tax treaty prevents double taxation.
- ·Neither has a digital nomad visa.
- ·Australia offers Working Holiday (417/462) visas for under-31s.
- ·The UK has the Global Talent Visa.
- ·Australia's tax year runs July-June; the UK runs April-April.
- ·Timing matters for partial-year residency.