Historical individual income tax rates in Australia

1959-70
$32,00 and over - $12,153 + 68.3675% for each $1 over $32,000

1975
65%

1976
65%

1977
65%

1978
65%

1979
61.5%

1980
60%

1981
60%

1982
$4,041 - Tax Free Threshold
$34,479 and over - $12,153 + 60% for each $1 over $34,479

1983–84
$4,594 - Tax Free Threshold
$35,788 and over - $11,963.88 + 60% for each $1 over $35,788

1984–85
$4,594 - Tax Free Threshold
$35,788 and over - $11,867.36 + 60% for each $1 over $35,788

1985–86
$4,594 - Tax Free Threshold
$35,000 and over - $11,346.25 + 60% for each $1 over $35,000

1986–87
$4,889 - Tax Free Threshold
$35,000 and over - $10,954.19 + 57.08% for each $1 over $35,000

1987–88
$5,100 - Tax Free Threshold
$35,001 and over - $10,001 + 49% for each $1 over $35,000

1988–89
$5,100 - Tax Free Threshold
$35,001 and over - $10,001 + 49% for each $1 over $35,000

1989–90
$5,099 - Tax Free Threshold
$50,000 and over - $16,157 + 48% for each $1 over $50,000

1990-91
$5,249 - Tax Free Threshold
$50,000 and over - $15,734.75 + 47% for each $1 over $50,000

1991-93
$5,400 - Tax Free Threshold
$50,001 and over - $15,314 + 47% for each $1 over $50,000

1993-94
$5,400 - Tax Free Threshold
$50,001 and over - $14,556.50 + 47% for each $1 over $50,000

1994–2000
$5,400 - Tax Free Threshold
$50,001 and over - $14,102 + 47% for each $1 over $50,000

2000-03
$6,000 - Tax Free Threshold
$60,001 and over - $15,580 + 47% for each $1 over $60,000

2003–04
$6,000 - Tax Free Threshold
$62,501 and over - $16,182 + 47% for each $1 over $62,500

2004–05
$6,000 - Tax Free Threshold
$70,001 and over - $18,612 + 47% for each $1 over $70,000

2005–06
$6,000 - Tax Free Threshold
$95,001 and over - $28,200 + 47% for each $1 over $95,000

2006–07
$6,000 - Tax Free Threshold
$150,001 and over - $47,850 + 45% for each $1 over $150,000

2007–08
$6,000 - Tax Free Threshold
$150,001 and over - $47,100 + 45% for each $1 over $150,000

2008–09
$6,000 - Tax Free Threshold
$180,001 and over - $58,000 + 45% for each $1 over $180,000

2009–10
$6,000 - Tax Free Threshold
$180,001 and over - $55,850 + 45% for each $1 over $180,000

2010–11
$6,000 - Tax Free Threshold
$180,001 and over - $54,550 + 45% for each $1 over $180,000


Around 10% of Australian taxpayers pay the top marginal income tax rate.