The Internal Revenue Service must efficiently process returns and taxpayer correspondence. Look here for data on how the IRS is addressing its immense paperwork responsibilities.
Data highlights:
- Identity theft victim assistance theft cycle time, case receipts, and case closures, 2020-2024 (xlsx)
Related documents and reporting:
Filing season
- 1/8/2026: IRS will accept 2025 tax returns starting January 26 (IRS)
- 8/5/2025: Date to start filing season not set despite IRS commissioner’s comment (Tax Adviser)
Backlogs
- 11/20/2025: IRS Has Significant Backlogs Following The Shutdown: What’s Moving And What’s Still Stuck (Forbes)
- 9/29/2025: Final Results of the 2025 Filing Season (TIGTA)
- 3/18/2024: The IRS Continues to Reduce Backlog Inventories in the Tax Processing Centers (TIGTA)
Analysis and commentary
- 11/17/2025: Taxpayers to Feel IRS Shutdown Shockwaves Past Federal Reopening (Bloomberg Tax)
- 7/17/2025: The new tax bill burdens an already overburdened IRS (Brookings)
You can also download a spreadsheet with the full list of available data, including the range of years for which data is available.

The IRS Spotlight © 2025 by The Brookings Institution is licensed under CC BY 4.0