Most Australians think their entire income is taxed at one rate.
That’s not how the Australian tax system works.

Australia uses a progressive tax system, meaning different parts of your income are taxed at different rates. Your final tax outcome also depends on deductions, offsets, Medicare levy, and other factors.

How Australian Tax Rates Work

For Australian residents:

The first $18,200 is generally tax-free
Higher tax rates only apply to income above each threshold
You do NOT pay the highest rate on your whole income—

Australian Resident Tax Rates (2025–26)

$0 – $18,200 Nil tax

$18,201 – $45,000 16% tax rate

$45,001 – $135,000 $4,288 + 30% of amount over $45,000

$135,001 – $190,000 $31,288 + 37% of amount over $135,000

$190,000+ $51,638 + 45% of amount over $190,000

The Tax Bracket Myth

A common misunderstanding is thinking that moving into a higher tax bracket means all income gets taxed at that higher rate.

Example:

If you earn $46,000:

* The first $18,200 is tax-free
* Part of income is taxed at 16%
* Only the amount above $45,000 is taxed at 30%

This means earning more money still leaves you financially ahead.

Marginal Vs Effective Tax Rate

Marginal tax rate = tax on your next dollar earned

Effective tax rate = average tax paid overall

Most Australians pay a lower effective rate than their highest bracket rate.

Example: Tax On $80,000

Estimated calculation:

Base tax: $14,788

Medicare levy: $1,600

Total estimated tax: $16,388

Estimated after-tax income: $63,612

This shows why someone in the 30% bracket does not pay 30% on their entire income.

What Can Affect Your Final Tax?

Your final tax outcome may also change due to:

Medicare levy
Tax offsets
HELP/HECS debt
Investment income
Deductions
Multiple jobs or income sources
Salary packaging arrangements

Why Your Payslip May Not Match Your Tax Return

PAYG withholding during the year is only an estimate.

Your actual tax return considers:
Total income
Deductions
Offsets
Medicare levy
Other tax obligations

That’s why some people receive:
Tax refunds
Additional tax bills
Different results than expected

Final Thoughts

Understanding tax brackets can help Australians make better financial decisions and avoid common tax myths.

The most important thing to remember:

You only pay higher tax rates on the portion above each threshold — not your whole income.

Need Help With Your Tax?

(03) 7074 8818
[info@supertax.com.au](mailto:info@supertax.com.au)

https://supertax.com.au/

Suite 1, 7 Bridge St, Werribee VIC 3030

Disclaimer: General information only. This is not financial or tax advice.

This article contains general information only and does not take your personal circumstances into account. Tax and superannuation rules change, and some measures discussed may be subject to legislation. Speak with a registered tax agent before acting.