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08 May 2010

U.S. Personal Income Taxes 4

In previous postings about U.S. personal income taxes, I've repeatedly referred to special-interest tax incentives. The current tax code, Internal Revenue Title 26 of the Code of Federal Regulations (CFR), as revised April 1, 2009, consists of 14,887 pages (according the the U.S. Government Printing Office (GPO)).

Although many of the special-interest income tax laws are for the benefit of a small number of people, some are used by a substantial percentage of taxpayers. The following data is from tax year 2007 about the use of special-interest tax deductions.

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Special-Interest IncentiveTaxpayers Who Used
some 1040 Schedule A deduction35.83%
some 1040 tax credit34.09%
Charitable Contributions deduction29.15%
Home Mortgage Interest deduction28.91%
State & Local Income Taxes deduction26.01%
some 1040 income adjustment25.56%
Child Tax credit18.35%
Earned Income credit17.43%
Self-employment adjustment12.65%
State & Local Sales Taxes deduction8.46%
Medical & Dental Expenses deduction7.46%
Student Loan Interest adjustment6.45%
Foreign Tax credit5.41%
Education credit5.27%
Child Care credit4.60%
Retirement Savings Contribution credit4.16%
Tuition and Fees adjustment3.22%
Residential Energy credit3.07%
Self-employed health insurance adjustment2.72%
Educator Expenses adjustment2.59%
Individual Retirement Account pre-tax contribution2.34%
Gambling Losses and miscellaneous deduction1.20%
Self-employed retirement contributions adjustment0.84%
Early savings withdrawal penalty adjustment0.83%
Moving Expenses adjustment0.79%


In addition to explicit tax reductions due to income adjustments, deductions and credits, there are also lower tax rates for special-interest income, such as qualified dividend income and long-term capital gains, and an alternative minimum tax (AMT) that penalizes those who earn high incomes but not those who earn very high incomes.

While these special-interest tax incentives may have been set up for the best of intentions (e.g., to encourage charitable giving, to make it easier to afford to buy a home, and to increase investments to help grow economy), they often do so unfairly and at a higher cost for everyone else. The result is that taxpayers who do not qualify for a particular special-interest tax incentive are effectively paying additional taxes to subsidize the taxpayers who do take advantage of it.

Shouldn't everyone just pay the same income tax rate(s), and not pay more or less based on what they decide to do with their money?


U.S. GPO Bookstore for purchasing CFR: http://bookstore.gpo.gov/baskets/cfr-listing.jsp

IRS 2007 Individual Income Tax Returns: http://www.irs.gov/pub/irs-soi/09fallbulindincomeret.pdf

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