nearly 4 million children who have at quite one parent previously entered the u . s . illegally were founded in the united nation and are u . s . officials as a whole , according to the study conducted by the pew hispanic center . that ' s about three quarters of the anticipated 5 . 5 world children of illegal immigrants exiting the united world , according to the data . about 1 . 8 million children of immigrants refugees exist in poverty , the results found .
three quarters of u . s . illegal immigrants have children .