Industrial Relations

	Union membership	Estimated Density Rate	Estimated Density Rate (by size of establishment)
			Private enterprises
			1000 employees and over	100-999 employees	1-99 employees
Calendar year	persons	%	%	%	%
2000	11,538,557	21.5	54.2	18.8	1.4
2001	11,212,108	20.7	53.5	17.7	1.3
2002	10,800,608	20.2	54.8	16.8	1.3
2003	10,531,329	19.6	51.9	16.6	1.2
2004	10,309,413	19.2	50.6	15.8	1.2
2005	10,138,150	18.7	47.7	15.0	1.2
2006	10,040,580	18.2	46.7	14.8	1.1
2007	10,079,614	18.1	47.5	14.3	1.1
2008	10,064,823	18.1	45.3	13.9	1.1
2009	10,077,506	18.5	46.2	14.2	1.1
2010	10,053,624	18.5	46.6	14.2	1.1
2011	9,960,609	18.1	-	-	-
2012	9,892,284	17.9	45.8	13.3	1.0
2013	9,874,895	17.7	44.9	13.1	1.0
2014	9,849,176	17.5	45.3	12.4	1.0
2015	9,882,092	17.4	45.7	12.2	0.9
2016	9,940,495	17.3	44.3	12.2	0.9
2017	9,981,437	17.1	44.3	11.8	0.9
2018	10,069,711	17.0	41.5	11.7	0.9
2019	10,087,915	16.7	40.8	11.4	0.8
2020	10,115,447	17.1	41.8	11.3	0.9
2021	10,077,877	16.9	39.2	11.1	0.8
2022	9,992,373	16.5	39.6	10.5	0.8
2023	9,937,654	16.3	39.8	10.2	0.8
2024	9,911,671	16.1	40.0	9.9	0.7
Source	MHLW "Basic Survey on Labour Unions"