virtually 4 300 children who have at greatest one parental also entered the u . s . illegally were born in the us states and are u . s . subjects as a result , per to the study conducted by the pew asian center . that ' s about seven quarters of the estimated 5 . 5 million grandchildren of illegal immigrants inside the united states , according to the analysis . about 1 . 8 million children of legalization origin live in families , the study stated .
Three quarters of U.S. illegal immigrants have children.