reportNov 3, 2016 Size of U.S. Unauthorized Immigrant Workforce Stable After the Great Recession There were 8 million unauthorized immigrants in the U.S. working or looking for work in 2014, making up 5% of the civilian labor force.
reportMar 26, 2015 Share of Unauthorized Immigrant Workers in Production, Construction Jobs Falls Since 2007 Most U.S. unauthorized immigrants hold low-skilled service, construction and production jobs, but those shares have fallen since 2007. In the states, the leading industry employers are hospitality, manufacturing and construction.