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Union Membership Historical Table for Michigan

Union affiliation of employed wage and salary workers, Michigan, annual averages, 1989–2025 (numbers in thousands)
Year	Total employed	Members of unions(1)		Represented by unions(2)
Year	Total employed	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
2019	4,323	589	13.6	648	15.0
2020	3,974	604	15.2	661	16.6
2021	4,047	540	13.3	620	15.3
2022	4,212	589	14.0	644	15.3
2023	4,409	564	12.8	623	14.1
2024	4,346	581	13.4	639	14.7
2025(3)	4,354	566	13.0	620	14.2
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. (3) 2025 annual estimates are 11-month averages that exclude October. Data for October 2025 were not collected due to the federal government shutdown.
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.

Midwest Information Office

Union Membership Historical Table for Michigan