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Progressive Tax

25 April, 2016 - 09:12

A progressive tax is one that takes a higher percentage of income as income rises. The federal income tax is an example of a progressive tax. Table 15.1 shows federal income tax rates for various brackets of income for a family of four in 2007. Such a family paid no income tax at all if its income fell below $24,300. At higher income levels, families faced a higher percentage tax rate. Any income over $374,000, for example, was taxed at a rate of 35%. Whether or not to make the tax system more progressive was a major debating point during the U.S. presidential election of 2008.

The federal income tax is progressive. The percentage tax rate rises as adjusted gross income rises.

Table 15.1 Federal Income Tax Brackets, 2007

2007 adjusted gross income (family of four)

Personal income tax rate applied to bracket

Less than $24,300

Zero (family may receive earned income credit)

$24,300 - $88,000

15%

$88,000 - 152,800

25%

$152,800 - $220,150

28%

$220,150 - $374,000

33%

Greater than $374,000

35%

 

While a pure flat tax would be proportional, most proposals for such a tax would exempt some income from taxation. Suppose, for example, that households paid a “flat” tax of 20% on all income over $40,000 per year. This tax would be progressive. A household with an income of $25,000 per year would pay no tax. One with an income of $50,000 per year would pay a tax of $2,000 (.2 times $10,000), or 4% of its income. A household with an income of $100,000 per year would pay a tax of $12,000 (.2 times $60,000) per year, or 12% of its income. A flat tax with an income exemption would thus be a progressive tax.