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Union Membership Historical Table for South Dakota

Union affiliation of employed wage and salary workers, South Dakota, 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

269 22 8.1 34 12.6

1990

257 21 8.4 29 11.3

1991

264 23 8.8 31 11.7

1992

277 25 8.9 31 11.3

1993

283 22 7.9 30 10.7

1994

1995

291 22 7.7 27 9.4

1996

312 23 7.4 29 9.2

1997

306 21 6.9 26 8.6

1998

324 21 6.4 26 8.0

1999

332 20 6.0 26 7.8

2000

333 19 5.6 23 6.9

2001

341 20 5.9 25 7.4

2002

349 19 5.6 24 6.9

2003

353 19 5.4 23 6.4

2004

347 21 6.0 27 7.7

2005

350 21 5.9 29 8.2

2006

351 21 5.9 25 7.2

2007

354 23 6.5 27 7.7

2008

369 18 5.0 24 6.4

2009

357 20 5.5 24 6.6

2010

357 20 5.6 24 6.6

2011

359 18 5.1 23 6.5

2012

351 20 5.6 24 6.7

2013

362 17 4.8 21 5.8

2014

363 18 4.9 22 6.0

2015

382 22 5.9 26 6.9

2016

379 20 5.2 26 7.0

2017

380 20 5.4 25 6.7

2018

387 22 5.6 28 7.1

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.