Even as his administration is heading out the door, President Trump is trying to exclude undocumented immigrants from the decennial census. If he succeeds, it will be the first time unauthorized immigrants will not be counted for purposes of drawing new congressional districts.
Three lower courts have ruled unanimously that the president's action violates either the Constitution, the federal census statute, or both. On Monday, the U.S. Supreme Court hears arguments in one of those cases — from New York.
The start of the U.S. census