The Australian tax system has undergone significant changes since the 1980s, reflecting shifts in economic policy, social priorities, and global financial trends. From the sweeping reforms of the Hawke-Keating era to the introduction of the GST and modern digital transformation, our tax system tells a story of Australia's economic evolution.
Historical Tax Brackets
1983
| Income Range | Tax Rate | Notes |
|---|
| $0 – $15,000 | 0% | Tax-free threshold |
| $15,001 – $35,788 | 30% | First bracket |
| $35,789+ | 60% | Top marginal rate |
1989
| Income Range | Tax Rate | Notes |
|---|
| $0 – $20,000 | 0% | Tax-free threshold |
| $20,001 – $50,000 | 30% | First bracket |
| $50,001+ | 47% | Top marginal rate |
1995–96
| Income Range | Tax Rate | Notes |
|---|
| $0 – $5,400 | 0% | Tax-free threshold |
| $5,401 – $20,700 | 20% | First bracket |
| $20,701 – $38,000 | 34% | Second bracket |
| $38,001 – $50,000 | 43% | Third bracket |
| $50,001+ | 47% | Top marginal rate |
2000
| Income Range | Tax Rate | Notes |
|---|
| $0 – $20,000 | 0% | Tax-free threshold |
| $20,001 – $50,000 | 30% | First bracket |
| $50,001 – $60,000 | 42% | Second bracket |
| $60,001+ | 47% | Top marginal rate |
2007
| Income Range | Tax Rate | Notes |
|---|
| $0 – $30,000 | 0% | Tax-free threshold |
| $30,001 – $75,000 | 30% | First bracket |
| $75,001 – $150,000 | 40% | Second bracket |
| $150,001+ | 45% | Top marginal rate |
2020–24
| Income Range | Tax Rate |
|---|
| $0 – $18,200 | 0% |
| $18,201 – $45,000 | 19% |
| $45,001 – $120,000 | 32.5% |
| $120,001 – $180,000 | 37% |
| $180,001+ | 45% |
2024–25 and 2025–26 (Stage 3 Tax Cuts)
| Income Range | Tax Rate |
|---|
| $0 – $18,200 | 0% |
| $18,201 – $45,000 | 16% |
| $45,001 – $135,000 | 30% |
| $135,001 – $190,000 | 37% |
| $190,001+ | 45% |
2026–27 (Legislated, from 1 July 2026)
| Income Range | Tax Rate |
|---|
| $0 – $18,200 | 0% |
| $18,201 – $45,000 | 15% |
| $45,001 – $135,000 | 30% |
| $135,001 – $190,000 | 37% |
| $190,001+ | 45% |
For the most up-to-date information, see the ATO individual income tax rates page.
Key Tax Reforms Through Time
1980s: Foundation of the Modern System
- Capital Gains Tax (1985): Introduced to tax profits from selling assets like property and shares, bringing Australia in line with international practices.
- Fringe Benefits Tax (1985): Implemented to tax non-cash employer benefits, closing a major loophole.
- Dividend Imputation (1987): A unique Australian system that prevents double taxation of company profits through franking credits.
- Tax File Number (1989): Introduced as a unique identifier to track individual tax records and prevent evasion.
1990s: Preparing for GST
- Compulsory Superannuation (1991): The Superannuation Guarantee was introduced, requiring employers to contribute to employee retirement savings.
- CGT Discount (1999): Introduced a 50% discount on CGT for assets held longer than 12 months, encouraging long-term investment.
- GST Preparation (1999): Laid the groundwork for Australia's first broad-based consumption tax.
2000s: GST and Economic Growth
- GST Implementation (2000): Introduced a 10% Goods and Services Tax, accompanied by significant personal income tax cuts.
- Personal Tax Cuts (2006–07): Major reforms that simplified the tax system by reducing brackets and increasing thresholds.
- Global Financial Crisis Response (2008): Temporary tax measures to stimulate the economy during the crisis.
2010s to Today: Digital Age and Tax Cuts
- Netflix Tax (2015): Extended GST to digital products and services purchased from overseas suppliers.
- COVID-19 Stimulus (2020): Temporary measures including instant asset write-offs and early super access.
- Stage 3 Tax Cuts (2024): Major personal income tax reforms that flattened the tax structure and reduced the number of brackets, effective 1 July 2024.
- Super Guarantee to 12% (2025): The compulsory employer superannuation rate completed its phased rise, reaching 12% from 1 July 2025.
- HECS-HELP overhaul (2025): A one-off 20% cut to student debt balances, plus a new marginal repayment system with the threshold lifted to $67,000.
- Second-round tax cut (2026): The 16% rate on income from $18,201 to $45,000 is legislated to fall to 15% from 1 July 2026, with a further small cut flagged for 2027.
Frequently Asked Questions
For 2025-26: 0% up to $18,200; 16% from $18,201 to $45,000; 30% from $45,001 to $135,000; 37% from $135,001 to $190,000; and 45% above $190,000. The 2% Medicare levy applies on top. From 1 July 2026 the 16% rate falls to 15%.
In the late 1970s and early 1980s the top marginal rate reached as high as 60–66%. It was progressively reduced through decades of reform, sitting at 45% (plus the 2% Medicare levy) on income above $190,000 today.
The Stage 3 tax cuts, revised and passed in 2024, cut the 19% rate to 16% (for $18,201–$45,000) and the 32.5% rate to 30% (up to $135,000), and raised the top-bracket threshold to $190,000. They took effect from 1 July 2024.
Related Articles & Calculators