From Pew Research:
There were a record 44.8 million immigrants living in the U.S. in 2018, making up 13.7% of the nation’s population. This represents a more than fourfold increase since 1960, when 9.7 million immigrants lived in the U.S., accounting for 5.4% of the total U.S. population. Click the link below each summary table to download the data.
To find more context… visit the blog post “Key findings about U.S. immigrants,” and for a downloadable version of the tables below, see the PDF and the Excel workbook. For facts on Latinos in the United States, see our profile on U.S. Hispanics.