Worker power has decline in Wisconsin, following anti-union legislation: Share of workers represented by a union in Wisconsin and nationwide, 1989–2020
| Year | United States | Wisconsin |
|---|---|---|
| 1989 | 18.5% | 22.1% |
| 1990 | 18.2% | 21.4% |
| 1991 | 18.1% | 22.2% |
| 1992 | 17.7% | 21.2% |
| 1993 | 17.5% | 20.5% |
| 1994 | 17.4% | 19.3% |
| 1995 | 16.6% | 19.1% |
| 1996 | 16.2% | 19.7% |
| 1997 | 15.6% | 20.0% |
| 1998 | 15.3% | 19.5% |
| 1999 | 15.3% | 19.0% |
| 2000 | 14.8% | 18.7% |
| 2001 | 14.8% | 17.6% |
| 2002 | 14.5% | 16.4% |
| 2003 | 14.2% | 16.8% |
| 2004 | 13.8% | 16.9% |
| 2005 | 13.7% | 17.1% |
| 2006 | 13.1% | 16.0% |
| 2007 | 13.3% | 15.4% |
| 2008 | 13.7% | 16.0% |
| 2009 | 13.6% | 15.8% |
| 2010 | 13.1% | 15.1% |
| 2011 | 13.0% | 14.1% |
| 2012 | 12.5% | 12.0% |
| 2013 | 12.4% | 13.1% |
| 2014 | 12.3% | 12.4% |
| 2015 | 12.3% | 9.4% |
| 2016 | 11.9% | 9.0% |
| 2017 | 11.9% | 9.0% |
| 2018 | 11.7% | 8.6% |
| 2019 | 11.5% | 9.0% |
| 2020 | 12.0% | 10.2% |
Source: EPI analysis of U.S. Bureau of Labor Statistics Current Population Survey microdata.