A Wednesday letter from the Presidential Advisory Commission on Election Integrity gives secretaries of state about two weeks to provide about a dozen points of voter data. That also would include dates of birth, the last four digits of voters' Social Security numbers and any information about felony convictions and military status.
Some Democratic officials refused to comply, saying the request invades privacy and is based on false claims of fraud.
Mr. Trump lost the popular vote to Democrat Hillary Clinton but has alleged, without evidence, that 3 to 5 million people voted illegally.
