nearly 4 million people whoever have at present one guardian who entered the u . s . illegally were born in the same states and are u . s . residents as a result , thanks to the study directed by the pew asian center . that ' s about three quarters of the estimated 5 . 5 dozen children of illegal migrant inside the usa world , according to the study . about 1 . 8 million students of undocumented immigrants resides in poverty , the study found .
Three quarters of U.S. illegal immigrants have children.