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Union Membership in Washington

18.0% of employed wage and salary workers in Washington were union members in 2025, compared with 10.0% nationally.

Union members
18.0%
2025
Covered by a union contract
19.4%
Number of members
632,000
Wage and salary workers
3.51 million

Union membership rate by year

Compared with the U.S.

WashingtonUnited States
Show as a table
PeriodWashington
202518.0%
202416.0%
202316.5%
202218.0%
202119.0%
202017.4%
201918.8%
201819.8%
201718.8%
201617.4%
201516.8%
201416.8%
201318.9%
201218.5%
201119.0%

By year

Swipe the table sideways to see more columns.

YearMembersRepresentedUnion members
202518.0%19.4%632,000
202416.0%18.3%548,000
202316.5%18.1%576,000
202218.0%19.1%615,000
202119.0%20.0%629,000
202017.4%18.6%557,000
201918.8%20.2%638,000
201819.8%20.5%649,000
201718.8%20.2%584,000
201617.4%18.7%539,000
201516.8%18.0%500,000
201416.8%18.4%491,000
201318.9%19.7%546,000
201218.5%19.5%513,000
201119.0%20.4%517,000
201019.4%21.3%552,000
200920.2%21.5%574,000
200819.8%21.5%578,000
200720.2%21.4%579,000
200619.8%21.0%549,000
200519.1%20.4%523,000
200419.3%20.3%510,000
200319.7%20.9%502,000
200218.5%20.0%472,000
200117.9%19.3%446,000
200017.9%19.8%462,000

Frequently asked questions

What percent of workers in Washington are in a union?
18.0% of employed wage and salary workers in Washington were union members in 2025, according to the Bureau of Labor Statistics.