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Tax Policy – A Growing Percentage of Americans Have Zero Income Tax Liability

Much of the attention in recent policy discussions has been on how to raise taxes on the highest-income Americans. America’s tax system is already progressive, with the richest Americans paying the greatest share of federal taxes. However, to understand and improve the tax system, policymakers should look not only at those paying the highest tax rates, but also at those on the opposite end of the spectrum.

The following chart uses data from the Internal Revenue Service to show the percentage of nonpayers (taxpayers who owe zero income taxes after taking their credits and deductions) from 1950 to 2016. Despite occasional dips, the trend has been an increase in the percentage of nonpayers, from 28 percent in 1950 to 33.4 percent in 2016. During this period, the minimum percentage of nonpayers was 16 percent in 1969, and the maximum was 41.7 percent in 2009.

Americans zero income tax liability percentage of nonpayers has increased over time

The growth of refundable tax credits is driving this increase in nonpayers. As the value of refundable tax credits increases, more people find themselves paying no income taxes. The following chart uses data from the Congressional Budget Office to show the average refundable tax credit rate for the lowest, second, and middle quintiles from 1979 to 2015. The average refundable tax credit rate has increased more than tenfold for the lowest quintile, from 1.2 percent in 1979 to 12.4 in 2015. The second and middle quintiles have seen increases as well.

low-income tax credits, low income tax credits, tax credits for low-income individuals have grown over time

Average refundable tax credit rates, and therefore the percentage of nonpayers, began to climb dramatically after the Tax Reform Act of 1986, which increased the value of the standard deduction and almost doubled the size of the personal exemption. The creation and expansion of credits such as the Earned Income Tax Credit, the Child Credit, and various energy and education credits in later decades further contributed to the increase in the percentage of nonpayers. The percentage of nonpayers also spiked during the Great Recession. The so-called Stimulus package included the Making Work Pay tax credit, which reduced taxes for low- and middle-income households. Today, tax credits provide a negative income tax rate to the bottom two quintiles, causing their income to increase.

While the percentage of nonpayers has decreased slightly over the last decade, it may increase again as a result of the Tax Cuts and Jobs Act. With the expansion of the standard deduction and the child tax credit, more households are expected to have their tax liabilities eliminated.  

As fewer Americans pay income taxes, the remaining taxpayers shoulder a greater share of the burden. As a result, the income tax burden has grown more progressive over time. From 1986 to 2016, for example, the top 1 percent’s share of income taxes rose from 25.8 percent to 37.3 percent, while the bottom 90 percent’s share fell from 45.3 percent to 30.5 percent.[1]

As policymakers debate narrow taxes on small groups of individuals, they should keep in mind that the income tax base itself has been narrowing for decades, as more and more people pay no income taxes. Tax credits continue to shrink the tax base and raise the percentage of nonpayers. If policymakers want to increase revenue significantly, they will have to look to broad-based taxes that fall on everyone, rather than targeted taxes on select groups.


[1] Those paying no federal income taxes may still owe other taxes. The Tax Policy Center has estimated that about 65 percent of those who pay no federal income taxes still owe payroll taxes, and that refundable tax credits completely offset the payroll tax for only approximately 9 percent of households. See Philip Stallworth and Daniel Berger, “The TCJA Is Increasing the Share of Households Paying No Federal Income Tax,” Tax Policy Center, Sept. 5, 2018, https://www.taxpolicycenter.org/taxvox/tcja-increasing-share-households-paying-no-federal-income-tax.


Source: Tax Policy – A Growing Percentage of Americans Have Zero Income Tax Liability