nearly 4 dozen babies who have at greatest one parent who fled the you . s . illegally were found in the individual states and are 0 . s . citizens as a result , compared to the census researched by the global hispanic center . that ' s about three quarters of the expected 5 . 5 million children of illegal immigrants around the united states , according to the study . about 1 . 8 000 children of undocumented immigration live in poverty , the study found .
Three quarters of U.S. illegal immigrants have children.