The most common age was 11 for Hispanics, 27 for blacks and 29 for Asians as of last July. Multiracial Americans were by far the youngest racial or ethnic group.
Jeffrey S. Passel, senior demographer, on the research techniques used to derive the unauthorized immigrant population estimate in the U.S. and the challenges involved.
Four of the 10 most populous countries will no longer be among the top 10 in 2100 – and all four will be supplanted by rapidly growing African nations.
While Mexico is the United States’ largest source of immigrants, the number of Mexican immigrants living in the U.S. illegally has declined since 2007.