Union Membership, Coverage, Density, and Employment:
Workers with less than Bachelor's Degree
Year	Sample Size	Employment (in 1000s)	Members (in 1000s)	Covered (in 1000s)	% Mem	%Cov
1973	41,468	63,665.2	16,713.0		26.3%
1974	40,271	64,286.0	16,568.3		25.8%
1975	38,225	62,151.3	15,089.1		24.3%
1976	39,074	64,530.3	15,594.5		24.2%
1977	46,608	66,228.9	16,616.2	18,121.1	25.1%	27.4%
1978	46,439	68,921.3	16,618.6	18,272.9	24.1%	26.5%
1979	52,530	78,742.0	18,987.7	21,125.3	24.1%	26.8%
1980	61,729	78,823.8	18,082.8	20,068.5	22.9%	25.5%
1981	12,602	73,435.5	15,961.9	17,593.7	21.7%	24.0%
1983	135,518	68,690.8	14,271.2	16,184.7	20.8%	23.6%
1984	137,785	71,643.3	13,938.8	15,661.0	19.5%	21.9%
1985	138,927	73,092.9	13,527.2	15,074.5	18.5%	20.6%
1986	137,424	74,665.0	13,438.4	14,923.2	18.0%	20.0%
1987	137,985	76,194.6	13,235.0	14,619.0	17.4%	19.2%
1988	131,839	77,181.2	13,099.8	14,529.4	17.0%	18.8%
1989	136,202	79,984.1	13,177.0	14,590.1	16.5%	18.2%
1990	141,654	80,740.3	13,021.7	14,514.7	16.1%	18.0%
1991	136,482	79,341.0	12,761.9	14,177.9	16.1%	17.9%
1992	134,355	80,087.4	12,604.8	13,972.2	15.7%	17.4%
1993	131,953	80,654.2	12,586.1	13,875.7	15.6%	17.2%
1994	128,029	81,554.9	12,504.5	13,865.3	15.3%	17.0%
1995	126,624	82,790.2	12,138.4	13,398.5	14.7%	16.2%
1996	113,087	83,644.5	11,974.1	13,124.4	14.3%	15.7%
1997	114,660	85,326.6	11,672.4	12,764.1	13.7%	15.0%
1998	115,500	86,378.7	11,685.8	12,666.9	13.5%	14.7%
1999	116,536	87,376.7	11,678.1	12,689.7	13.4%	14.5%
2000	117,558	88,382.6	11,520.8	12,505.6	13.0%	14.1%
2001	124,475	87,797.1	11,462.5	12,378.1	13.1%	14.1%
2002	131,965	86,375.0	11,001.8	11,860.4	12.7%	13.7%
2003	128,903	87,489.4	10,710.2	11,692.0	12.2%	13.4%
2004	126,066	87,832.9	10,320.1	11,198.9	11.7%	12.8%
2005	126,408	89,359.0	10,397.6	11,255.5	11.6%	12.6%
2006	125,610	90,528.4	10,062.6	10,884.3	11.1%	12.0%
2007	122,524	90,345.7	10,038.8	10,906.6	11.1%	12.1%
2008	119,697	88,924.6	10,195.2	11,101.7	11.5%	12.5%
2009	114,602	84,542.0	9,603.9	10,491.0	11.4%	12.4%
2010	112,036	83,466.0	9,031.4	9,891.2	10.8%	11.9%
2011	110,238	83,936.2	9,051.6	9,866.0	10.8%	11.8%
2012	108,606	84,707.2	8,773.6	9,620.7	10.4%	11.4%
2013	107,409	84,862.6	8,795.3	9,580.0	10.4%	11.3%
2014	108,044	85,901.2	8,724.2	9,563.7	10.2%	11.1%
2015	106,095	86,134.9	8,589.9	9,457.4	10.0%	11.0%
2016	105,720	87,090.6	8,443.5	9,372.3	9.7%	10.8%
2017	103,097	87,165.8	8,616.1	9,473.6	9.9%	10.9%
2018	99,529	87,394.6	8,453.8	9,229.2	9.7%	10.6%
2019	95,682	87,627.5	8,137.0	9,053.6	9.3%	10.3%
2020	79,439	78,458.5	7,769.0	8,520.9	9.9%	10.9%
2021	79,945	81,158.6	7,545.0	8,388.0	9.3%	10.3%
2022	76,766	84,097.9	7,781.4	8,614.6	9.3%	10.2%
2023	74,242	85,170.0	7,767.2	8,654.2	9.1%	10.2%
Copyright 2024 by Barry T. Hirsch, David A. Macpherson, and William E. Even.  The use of this data requires citation.