A study by the Center for Immigration Studies based on data from the Census Bureau found that:
“The nation’s immigrant population (legal and illegal) hit a record 43.7 million in July 2016, an increase of half a million since 2015, 3.8 million since 2010, and 12.6 million since 2000.
“As a share of the U.S. population, immigrants (legal and illegal) comprised 13.5 percent, or one out of eight U.S. residents in 2016, the highest percentage in 106 years. As recently as 1980, just one out of 16 residents was foreign-born.”
Read more at cis.org.