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More Taxpayers Will Owe The IRS In April Because Of Underwithholding, Report Says


National Public Radio Inc. 


The fatter paychecks that many Americans have been receiving this year may end with a big check to the government come tax time.

Mark Lennihan/AP

More Americans will be writing a check to the IRS in April because their employers are not withholding enough from their paychecks following the new tax law, the Government Accountability Office says in a new report.

Based on simulations run by the Treasury Department, the GAO says taxes for 30 million Americans — 21 percent of taxpayers — are being underwithheld by their employers, meaning they are getting a larger check this year, but will owe at tax time in April. According to the simulations, 73 percent of taxpayers will be overwithheld and receive a refund from the Internal Revenue Service.

When the simulation was run as if there had been no change in the tax law, 18 percent of taxpayers, or about 27 million, would have experienced underwithholding and 76 percent would have been overwithheld. In both scenarios, just 6 percent of taxpayers would have the correct amount of withholding.

Who should be concerned? According to the GAO, a hypothetical taxpayer who is married with two children, earning $180,000 annually, $20,000 of which comes from non-wage income and who itemizes deductions.

As The Associated Press notes, "Millions of American workers started getting fatter paychecks early this year, as employers withheld less money in anticipation of lower income taxes under the law. According to the nonpartisan Tax Policy Center, a middle-income household should on average get a $930 tax cut this year, lifting its after-tax income by 1.6 percent."

The report by the independent GAO was requested in January by senior Democrats on the Senate and House tax-writing committees who asked for an analysis of withholding tables under the new Republican tax law, according to AP.

The GAO acknowledges that the IRS has cautioned taxpayers that they may need to review and update their withholding as a result of the new law.

The Treasury Department and the IRS are responsible for updating the tax withholding tables each year, but their roles and responsibilities are not spelled out in writing. The GAO recommends that the secretary of the Treasury work with the IRS commissioner to sort that out.

Scott Neuman. Writer/Editor, Digital News

Source: NPR

What To Do?

  • Gather your most recent pay stubs.
  • Have your most recent income tax return handy; a copy of your completed Form 1040 will help you estimate your 2018 income and other characteristics and speed the process. 
  • Keep in mind that the Calculator’s results will only be as accurate as the information you provide.  If your circumstances change during the year, come back to this Calculator to make sure that your withholding is still correct.
  • The Withholding Calculator does not ask you to provide sensitive personally-identifiable information like your name, Social Security number, address or bank account numbers. The IRS does not save or record the information you enter on the Calculator.


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