Section 6 of the IRS Data Book provides an overview of IRS budget activities, including taxpayer services, enforcement, operations support, and business systems modernization. The section also includes information on the size and composition of the IRS workforce.

Graphic on left shows the number of full-time equivalent (FTE) positions for fiscal years (FY) 2010-2020, with a decrease of almost 20% since 2010. FY2020 reported a slight increase in the number of FTE positions compared to FY2019. Graphic on right shows the IRS total operating cost for FY2011-2020. The IRS reported an overall drop in operating cost since FY2011. After adjusting for inflation, FY2020 funding levels rose slightly compared to FY2019.

View chart details XLSX. For additional graphs from this section, download the PDF of this year’s Data Book PDF.

Highlights of the Data

  • IRS’s actual expenditures were $12.3 billion for overall operations in Fiscal Year (FY) 2020, up from about $11.8 billion in FY 2019 (Table 30 XLSX).
  • In FY 2020, the IRS used 75,773 full-time equivalent (FTE) positions in conducting its work, a decrease of almost 20 percent since FY 2010 (Table 32 XLSX).
  • Women represented 64.9 percent of IRS and Chief Counsel personnel, compared to 44.4 percent of the overall civilian labor force  (Table 33 XLSX).

Index of Data Book Tables

IRS Budget & Workforce: Tables 30–33

Table 30: Costs Incurred by Budget Activity, Fiscal Years 2019 and 2020 XLSX
Table 31: Collections, Costs, Personnel, and U.S. Population, Fiscal Years 1991–2020 XLSX
Table 32: Personnel Summary, by Employment Status, Budget Activity, and Selected Personnel Type, Fiscal Years 2019 and 2020 XLSX
Table 33: Internal Revenue Service and Chief Counsel Labor Force, Compared to National Totals for Federal and Civilian Labor Forces, by Gender, Race/Ethnicity, Disability, and Veteran Status, Fiscal Year 2020 XLSX

Data for all years


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