SOI Tax Stats - IRS Data Book

The Internal Revenue Service (IRS) Data Book is published annually by the IRS and contains statistical tables and organizational information on a fiscal year basis. The report provides data on collecting the revenue, issuing refunds, enforcing the law, assisting the taxpayer, and the budget and workforce.

You can view selected summary graphs, key statistics, and descriptions of the tables and the IRS functions they cover. To download data tables on IRS and taxpayer statistics, visit the relevant section page listed on the left-side navigation column.

Graphic shows gross collections by type of tax for fiscal years 2008 through 2018. There has been slow and steady growth in total gross collections, which include individual income, business income, employment, estate and gift, and excise tax.

View chart details (XLS), or download the IRS Data Book (PDF).

Highlights of this year's Data Book

  • During Fiscal Year (FY) 2018, the IRS collected nearly $3.5 trillion, processed more than 250 million tax returns and other forms, and issued almost $464 billion in tax refunds.
  • In FY 2018, close to 58 million taxpayers were assisted by calling or visiting an IRS office.
  • The use of IRS website,, continued to grow with almost 608.8 million visits.
  • Of the taxpayers who participated in the 2018 Comprehensive Taxpayer Attitude Survey (CTAS), 85 percent said it is not at all acceptable to cheat on their income taxes, and nearly all (95 percent) believe it is a civic duty to pay their fair share of taxes. Additionally, most taxpayers (80 percent) are satisfied with their personal interactions with IRS. See the 2018 CTAS report (PDF).

Index of Data Book Tables


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Did You Know?

The PDF version of this year's Data Book offers additional graphs in each section for easier understanding of all the hard work the IRS completes to fund the United States Government and enforce the Nation’s tax laws.