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 RangeTax RateNotes
$0, $15,0000%Tax-free threshold
$15,001, $35,78830%First bracket
$35,789+60%Top marginal rate

1989

Income RangeTax RateNotes
$0, $20,0000%Tax-free threshold
$20,001, $50,00030%First bracket
$50,001+47%Top marginal rate

1995: 96

Income RangeTax RateNotes
$0, $5,4000%Tax-free threshold
$5,401, $20,70020%First bracket
$20,701, $38,00034%Second bracket
$38,001, $50,00043%Third bracket
$50,001+47%Top marginal rate

2000

Income RangeTax RateNotes
$0, $20,0000%Tax-free threshold
$20,001, $50,00030%First bracket
$50,001, $60,00042%Second bracket
$60,001+47%Top marginal rate

2007

Income RangeTax RateNotes
$0, $30,0000%Tax-free threshold
$30,001, $75,00030%First bracket
$75,001, $150,00040%Second bracket
$150,001+45%Top marginal rate

2020: 24

Income RangeTax Rate
$0, $18,2000%
$18,201, $45,00019%
$45,001, $120,00032.5%
$120,001, $180,00037%
$180,001+45%

2024: 25 and 2025: 26 (Stage 3 Tax Cuts)

Income RangeTax Rate
$0, $18,2000%
$18,201, $45,00016%
$45,001, $135,00030%
$135,001, $190,00037%
$190,001+45%

2026: 27 (Proposed)

Income RangeTax Rate
$0, $18,2000%
$18,201, $45,00015%
$45,001, $135,00030%
$135,001, $190,00037%
$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

1990s: Preparing for GST

2000s: GST and Economic Growth

2010s: Present: Digital Age

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