A Preliminary Look at 2019 Tax Data for Individuals

Federal Tax

The IRS has released tax data covering the first 30 weeks of the tax season, providing a glimpse of how individual taxpayers fared in 2019, the second tax year under the Tax Cuts and Jobs Act (TCJA). The preliminary data provides aggregate information by income group on a range of topics, including sources of income as well as deductions and credits taken by taxpayers.

It is important to note that this data represents about 95 percent of filers and excludes those that requested a six-month filing extension. For this reason, the data represents about 82 percent of total tax liability that will be reported on individual income tax returns filed for tax year 2019.

In a previous piece, we outlined how the TCJA reduced effective tax rates and increased use of the standard deduction, among other changes, for all income groups in 2018 compared to 2017. When we account for the 2019 data, a similar trend emerges.

Tax Liability

As illustrated below, the TCJA reduced effective tax rates, or total tax liability divided by an income group’s total adjusted gross income, for all filing groups in 2019 compared to 2017. Even though taxpayers in each income group saw a tax cut on average, individual circumstances vary.

Taxpayers making less than $20,000 experienced negative effective tax rates due to refundable tax credits including the Additional Child Tax Credit (ACTC) and Earned Income Tax Credit (EITC). Refundable tax credits allow taxpayers to receive a refund from the government when the amount of credit they are owed surpasses their tax liability.

Filing Methods

One of the most significant changes introduced by the TCJA was the expansion of the standard deduction. The TCJA also directly limited or eliminated a number of itemized deductions. As the chart below shows, the share of taxpayers who itemized went down across income levels. According to the returns filed through the first 30 weeks of the year, 9.6 percent of filers chose to itemize their deductions on their 2019 tax returns.

Trump Tax Cuts Benefited Who Fewer Filers Itemize After the Tax Cuts and Jobs Act

Tax filing season brings up many questions for taxpayers, such as, “How big will my tax refund be?” or, “Will I have a balance due when I file taxes this year?” Changes to withholding tables in the aftermath of the TCJA resulted in lower-than-expected refunds, but it is important to remember that decreased tax refunds do not necessarily translate to increased tax liabilities.

The chart below shows the aggregate amount of refunds returned to taxpayers in each income group through the 30th week of the filing season in 2017 and 2019. While total refunds in 2019 fell for some income groups relative to 2017, effective tax rates dropped across all income groups over the same period. This pattern is similar to tax year 2018, when aggregate refunds also fell for most income groups.

Trump Tax Cuts Benefited Who Aggregate Tax Refunds After the Tax Cuts and Jobs Act

Child Tax Credit

The TCJA increased what parents receive from the Child Tax Credit (CTC). The maximum credit amount increased from $1,000 to $2,000 per child and the refundability threshold increased from $1,000 to $1,400. (The refundable portion of the CTC is referred to as the Additional Child Tax Credit (ACTC).) Additionally, the income level eligibility for the credit increased from $110,000 to $400,000 for married filers ($75,000 to $200,000 for single filers) while the earned income threshold for the ACTC decreased from $3,000 to $2,500. Overall, these changes meant that more filers were eligible for a larger credit.

As shown in the chart below, the average combined benefit from the CTC and ACTC rose across all income groups (excluding higher earners who are ineligible for the credit) from 2017 to 2019. Due to the higher income phaseouts, high-income taxpayers saw significantly greater benefits from the credit in 2019 than in 2017. This change and the larger standard deduction helped offset the effects of suspending the personal exemption within the individual income tax.

Trump Tax Cuts Benefited Who Average Combined Child Tax Credit After Tax Cuts and Jobs Act

Section 199A Pass-through Deduction

The Tax Cuts and Jobs Act of 2017 created a deduction for households with income from pass-through businesses—companies such as partnerships, S corporations, and sole proprietorships, which are not subject to the corporate income tax. The pass-through deduction allows taxpayers to exclude up to 20 percent of their pass-through business income from federal income tax. Upper-income taxpayers are subject to several limits on the deduction, intended to prevent abuse, which are based on the economic sector of each business, the amount of business wages paid, and the original cost of business property.

As illustrated below, in tax year 2019, income groups of $100,000 and below accounted for 55 percent of the returns claiming the pass-through deduction, but only 20.3 percent of the benefits. Income groups above $100,000 accounted for 45 percent of returns claiming the pass-through deduction, but nearly 80 percent of the benefits.

Trump Tax Cuts Benefited Who Filers Making Above $100,000 Take the Majority of the Pass-Through Deduction Section 199A


The data continues to illustrate that the net effect of the Tax Cuts and Jobs Act was to reduce effective tax rates across income groups. In 2019, the TCJA again expanded the use of several deductions and credits, made the standard deduction more favorable than itemizing, and lowered taxes for most taxpayers.

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