nearly 4 % children who have at least once parent who enter the o . s . illegally were born in the united s and are u . s . residents as a reaction , according to the studied conducted by the chicago multicultural center . that ' s about three third of the expected 5 . 5 million children of illegal immigrants inside the we states , lead to the data . about 1 . 8 million children of undocumented immigrants lie in cuba , the study found .
Three quarters of U.S. illegal immigrants have children.