The study was conducted by the Pew Hispanic Center , a nonpartisan research organization . The results come amid a national debate over changing the 14th Amendment . The 14th Amendment grants automatic citizenship to anyone born in the United States . `` I think we need to look at that in the future as to whether or not we want to change that because I think it 's an incentive to break the law , '' said Graham , the U.S. senator . Nearly 80 % of illegal immigrants ' children were born in the United States .
The study was conducted by the Pew Hispanic Center , a nonpartisan research organization . The results come amid a national debate over changing the 14th Amendment . The 14th Amendment grants automatic citizenship to anyone born in the United States . Nearly 80 % of illegal immigrants ' children were born in the United States .