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Union Membership Historical Table for Michigan

Union affiliation of employed wage and salary workers, Michigan, annual averages, 1989–2018 (numbers in thousands)
Year Total
employed
Members of unions (1) Represented by unions (2)
Total Percent of
employed
Total Percent of
employed

1989

3,896 1,013 26.0 1,082 27.8

1990

3,852 974 25.3 1,039 27.0

1991

3,766 927 24.6 981 26.1

1992

3,837 977 25.5 1,031 26.9

1993

3,966 968 24.4 1,022 25.8

1994

1995

4,001 947 23.7 1,006 25.1

1996

4,106 983 24.0 1,042 25.4

1997

4,190 969 23.1 1,024 24.4

1998

4,409 954 21.6 996 22.6

1999

4,490 963 21.5 1,009 22.5

2000

4,502 914 20.3 964 21.4

2001

4,479 947 21.2 989 22.1

2002

4,335 911 21.0 947 21.8

2003

4,188 919 21.9 968 23.1

2004

4,305 930 21.6 966 22.4

2005

4,288 880 20.5 916 21.4

2006

4,299 842 19.6 879 20.4

2007

4,193 819 19.5 865 20.6

2008

4,089 771 18.8 801 19.6

2009

3,785 710 18.8 752 19.9

2010

3,806 627 16.5 659 17.3

2011

3,838 671 17.5 703 18.3

2012

3,785 629 16.6 648 17.1

2013

3,889 633 16.3 656 16.9

2014

4,028 585 14.5 631 15.7

2015

4,083 621 15.2 672 16.5

2016

4,196 606 14.4 651 15.5

2017

4,230 658 15.6 711 16.8

2018

4,320 625 14.5 663 15.4

Footnotes:
(1) Data refer to members of a labor union or an employee association similar to a union.
(2) Data refer to both union members and workers who report no union affiliation but whose jobs are covered by a union or an employee association contract.

Note: Data refer to the sole or principal job of full- and part-time wage and salary workers. All self-employed workers are excluded, both those with incorporated businesses as well as those with unincorporated businesses. Updated population controls are introduced annually with the release of January data.
Dashes indicate data not available.
Source: Current Population Survey
The current population survey is a monthly survey of households conducted by the Bureau of the Census for the Bureau of Labor Statistics.