On December 18, 2025, the U.S. Department of Justice filed a lawsuit against the state of Wisconsin alleging that the state has failed to provide information about voter list maintenance procedures and electronic copies of statewide voter rolls. The lawsuit alleges that Wisconsin and its Election Commission violated the Civil Rights Act of 1960 by refusing to produce a current unredacted electronic copy of the state’s voter registration list. Wisconsin expressed concerns over the rights and privacy of its citizens after the Department of Justice demanded unredacted voter list data, which would contain personally identifiable information, such as partial Social Security numbers.