IRS Targeting of Service Center Audits
Low versus High Income Taxpayers

Individuals
Low High
1992 2001 1992 2001
Audit Rate (%) 0.40 0.78 2.38 0.31
Ave. Tax Recommended $2,471 $2,577 $4,569 $4,567
Ave. Audit Hours *0.9 1.5 *2.4 1.8
Number of Audits 171,864 325,441 74,566 29,086
Number of Returns Filed 43,183,245 41,716,770 3,131,801 9,326,250

Businesses (Schedule C)
Low High
1992 2001 1992 2001
Audit Rate (%) 0.48 2.13 0.81 0.28
Ave. Tax Recommended $1,028 $1,723 $3,667 $3,814
Ave. Audit Hours *1.3 2.4 *2.5 2.0
Number of Audits 10,207 54,316 12,743 5,556
Number of Returns Filed 2,139,507 2,553,280 1,579,644 2,012,210

*1993 figure since 1992 unavailable.
Note: Low income individuals have total positive income <$25,000 and file simple returns, while high income report $100,000 or more. Similarly Schedule C filers have <$25,000 (low) or $100,000 or more (high) total gross receipts.

Transactional Records Access Clearinghouse, Syracuse University
Copyright, 2002