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ITIN Filings by Undocumented Immigrants

The number of federal tax returns filed using Individual Taxpayer Identification Numbers (ITINs) by undocumented immigrants in the US, with data from 2010 to 2022.

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Jan 18, 2026
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How many undocumented immigrants file federal tax returns using ITINs each year and how has that trended since 2010?

Public data and reporting show that millions of federal tax returns are filed each year using Individual Taxpayer Identification Numbers (ITINs), but the exact share that are filed by undocumented imm...