Fresh Batch of Federal Income Tax Data

October 11, 2005

We’ve just updated our popular “Summary of Federal Individual Income Tax Data” page with the latest numbers from the IRS. Here’s one of the more interesting tables: average tax rates for various income groups over time.

Average Tax Rate, 1980-2003 (% of AGI paid in income taxes)

Year

Total

Top 1%

Top 2-5%

Top 5%

Top 6-10%

Top 10%

Top 11-25%

Top 25%

Top 26-50%

Top 50%

Bottom 50%

1980

15.31%

34.47%

21.71%

26.85%

17.13%

23.49%

14.80%

19.72%

11.91%

17.29%

6.10%

1981

15.76%

33.37%

22.08%

26.59%

18.16%

23.64%

15.53%

20.11%

12.48%

17.73%

6.62%

1982

14.72%

31.43%

20.44%

25.05%

16.61%

22.17%

14.35%

18.79%

11.63%

16.57%

6.10%

1983

13.79%

30.18%

18.77%

23.64%

15.54%

20.91%

13.20%

17.62%

10.76%

15.52%

5.66%

1984

13.68%

29.92%

18.41%

23.42%

15.57%

20.81%

12.90%

17.47%

10.48%

15.35%

5.77%

1985

13.73%

29.86%

18.44%

23.50%

15.69%

20.93%

12.83%

17.55%

10.41%

15.41%

5.70%

1986

14.54%

33.13%

19.10%

25.68%

15.99%

22.64%

12.97%

18.72%

10.48%

16.32%

5.63%

Tax Reform Act of 1986 changed the definition of AGI, so data above and below this line not strictly comparable

1987

13.12%

26.41%

18.13%

22.10%

14.43%

19.77%

11.71%

16.61%

9.45%

14.60%

5.09%

1988

13.21%

24.04%

17.85%

21.14%

14.07%

19.18%

11.82%

16.47%

9.60%

14.64%

5.06%

1989

13.12%

23.34%

17.97%

20.71%

13.93%

18.77%

12.08%

16.27%

9.77%

14.53%

5.11%

1990

12.95%

23.25%

17.60%

20.46%

13.63%

18.50%

12.01%

16.06%

9.73%

14.36%

5.01%

1991

12.75%

24.37%

17.10%

20.62%

13.96%

18.63%

11.57%

15.93%

9.55%

14.20%

4.62%

1992

12.94%

25.05%

17.21%

21.19%

13.99%

19.13%

11.39%

16.25%

9.42%

14.44%

4.39%

1993

13.32%

28.01%

17.48%

22.71%

14.01%

20.20%

11.40%

16.90%

9.37%

14.90%

4.29%

1994

13.50%

28.23%

17.93%

23.04%

14.20%

20.48%

11.57%

17.15%

9.42%

15.11%

4.32%

1995

13.86%

28.73%

18.19%

23.53%

14.46%

20.97%

11.71%

17.58%

9.43%

15.47%

4.39%

1996

14.34%

28.87%

18.68%

24.07%

14.74%

21.55%

11.86%

18.12%

9.53%

15.96%

4.40%

1997

14.48%

27.64%

18.78%

23.62%

14.87%

21.36%

12.04%

18.18%

9.63%

16.09%

4.48%

1998

14.42%

27.12%

19.14%

23.63%

14.79%

21.42%

11.63%

18.16%

9.12%

16.00%

4.44%

1999

14.85%

27.53%

19.68%

24.18%

15.06%

21.98%

11.76%

18.66%

9.12%

16.43%

4.48%

2000

15.26%

27.45%

20.07%

24.42%

15.48%

22.34%

12.04%

19.09%

9.28%

16.86%

4.60%

2001

14.23%

27.50%

19.12%

23.68%

14.89%

21.41%

11.58%

18.08%

8.91%

15.85%

4.09%

2002

13.03%

27.25%

18.15%

22.95%

13.87%

20.51%

10.47%

16.99%

7.67%

14.66%

3.21%

2003

11.90%

24.31%

16.58%

20.74%

12.22%

18.49%

9.54%

15.38%

7.12%

13.35%

2.95%

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