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Union Membership Historical Table for Wisconsin

Union affiliation of employed wage and salary workers, Wisconsin, 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

2,183 456 20.9 484 22.2

1990

2,190 448 20.4 471 21.5

1991

2,174 453 20.8 484 22.2

1992

2,219 440 19.8 472 21.3

1993

2,289 443 19.3 472 20.6

1994

1995

2,429 429 17.7 465 19.1

1996

2,492 470 18.8 493 19.8

1997

2,493 468 18.8 499 20.0

1998

2,513 470 18.7 492 19.6

1999

2,505 452 18.1 476 19.0

2000

2,562 456 17.8 485 18.9

2001

2,592 417 16.1 452 17.4

2002

2,549 397 15.6 418 16.4

2003

2,613 414 15.9 438 16.8

2004

2,597 414 16.0 439 16.9

2005

2,551 410 16.1 438 17.2

2006

2,587 386 14.9 415 16.1

2007

2,631 376 14.3 405 15.4

2008

2,642 396 15.0 422 16.0

2009

2,528 385 15.2 400 15.8

2010

2,508 355 14.2 380 15.1

2011

2,538 339 13.3 358 14.1

2012

2,605 293 11.2 312 12.0

2013

2,569 317 12.3 337 13.1

2014

2,626 306 11.7 327 12.5

2015

2,682 223 8.3 253 9.4

2016

2,696 219 8.1 244 9.0

2017

2,778 230 8.3 250 9.0

2018

2,700 219 8.1 233 8.6

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.