Since Gov. Walker’s reforms took place, union membership continue to decline.
Wisconsin public sector unions still losing members – Washington Examiner
Walker’s 2011 reforms ended the state’s practice of automatically deducting membership dues from public sector workers on behalf of their union. It also allowed those workers to opt out of being union members, required the unions to submit to annual recertification votes and limited collective bargaining to just wages.
American Federation of State, County and Municipal Employees Leadership Council 40
Membership 2011: 31,730
Membership 2014: 13,256
AFSCME Leadership Council 48
Membership 2011: 9,043
Membership 2014: 3,405
Total receipts in both cases have been cut in half.