10.0%
2025 (latest)
Every value on this page is read from the publisher below. Current and historical source documents:
| Year | Union Membership | Change |
|---|---|---|
| 2025 | 10.0% | +0.1 pts |
| 2024 | 9.9% | −0.1 pts |
| 2023 | 10.0% | −0.1 pts |
| 2022 | 10.1% | −0.2 pts |
| 2021 | 10.3% | −0.5 pts |
| 2020 | 10.8% | +0.5 pts |
| 2019 | 10.3% | −0.2 pts |
| 2018 | 10.5% | −0.2 pts |
| 2017 | 10.7% | +0.0 pts |
| 2016 | 10.7% | −0.4 pts |
| 2015 | 11.1% | +0.0 pts |
| 2014 | 11.1% | −0.2 pts |
| 2013 | 11.3% | +0.0 pts |
| 2012 | 11.3% | −0.5 pts |
| 2011 | 11.8% | −0.1 pts |
| 2010 | 11.9% | −0.4 pts |
| 2009 | 12.3% | −0.1 pts |
| 2008 | 12.4% | +0.3 pts |
| 2007 | 12.1% | +0.1 pts |
| 2006 | 12.0% | −0.5 pts |
| 2005 | 12.5% | +0.0 pts |
| 2004 | 12.5% | −0.4 pts |
| 2003 | 12.9% | −0.4 pts |
| 2002 | 13.3% | +0.0 pts |
| 2001 | 13.3% | −0.1 pts |
| 2000 | 13.4% | −0.5 pts |
| 1999 | 13.9% | +0.0 pts |
| 1998 | 13.9% | −0.2 pts |
| 1997 | 14.1% | −0.4 pts |
| 1996 | 14.5% | −0.4 pts |
| 1995 | 14.9% | −0.6 pts |
| 1994 | 15.5% | −0.2 pts |
| 1993 | 15.7% | +0.0 pts |
| 1992 | 15.7% | −0.3 pts |
| 1991 | 16.0% | +0.0 pts |
| 1990 | 16.0% | −0.4 pts |
| 1989 | 16.4% | −0.4 pts |
| 1988 | 16.8% | −0.2 pts |
| 1987 | 17.0% | −0.5 pts |
| 1986 | 17.5% | −0.5 pts |
| 1985 | 18.0% | −0.8 pts |
| 1984 | 18.8% | −1.3 pts |
| 1983 | 20.1% | — |