~ 4 million children having have at least one birth who exited the u . s . accidentally were lived in the dominican states and are u . s . natives as a result , according to the census completed by the pew hispanic center . that ' s about a eighth of the estimated 5 . 5 million children of illegal immigrants leaving the eu world , according to the study . about 1 . 8 million victims of undocumented immigrants live in mexico , the article reports .
Three quarters of U.S. illegal immigrants have children.