Transportation
Percentage of the transportation workforce represented by a union, 1979–2017
| Year | Percentage of workforce represented by a union |
|---|---|
| 1979 | 52.0352% |
| 1983 | 46.6371% |
| 1984 | 40.8647% |
| 1985 | 40.3333% |
| 1986 | 38.5114% |
| 1987 | 35.8714% |
| 1988 | 35.5941% |
| 1989 | 32.8850% |
| 1990 | 33.0408% |
| 1991 | 33.7703% |
| 1992 | 32.7087% |
| 1993 | 32.6538% |
| 1994 | 31.5394% |
| 1995 | 30.4590% |
| 1996 | 30.3914% |
| 1997 | 29.8965% |
| 1998 | 28.6715% |
| 1999 | 28.3103% |
| 2000 | 28.0844% |
| 2001 | 28.2292% |
| 2002 | 27.2688% |
| 2003 | 29.3060% |
| 2004 | 28.4773% |
| 2005 | 26.9904% |
| 2006 | 26.2850% |
| 2007 | 24.8637% |
| 2008 | 25.0700% |
| 2009 | 25.0580% |
| 2010 | 24.4416% |
| 2011 | 24.1248% |
| 2012 | 23.4518% |
| 2013 | 23.1428% |
| 2014 | 22.7163% |
| 2015 | 22.0116% |
| 2016 | 22.0389% |
| 2017 | 20.9986% |
Source: EPI analysis of Current Population Survey Outgoing Rotation Group and May extract microdata
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