# Unauthorized Aliens in the United States: Estimates Since 1986
> **Short Report** · 2007-01-24 · `RS21938`
## Report
- **CRS ID:** RS21938
- **Series:** Short Report
- **Publication date:** 2007-01-24
## Documents
- [PDF](https://www.everycrsreport.com/files/20070124_RS21938_a75f333b2bc18c293f50cdffd4d5e657f37bfcd5.pdf)
- [HTML](https://www.everycrsreport.com/files/20070124_RS21938_a75f333b2bc18c293f50cdffd4d5e657f37bfcd5.html)
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