FILE - In this April 12, 1939 file photo, 126 new citizens of the United States are sworn in at the U.S. District Court in Philadelphia. The United States is far less inviting than it once was: The number of immigrants obtaining legal permanent resident status in 2010 was just over a million _ almost precisely the same number as it was a hundred years earlier, when the population was less than a third of what it is in 2017. (AP Photo/File)