Original Chart Visualization by Mike Miciag | Map and Table by Melanie Kiper | Updates by Melanie Kiper, 2/23/2022
Union Membership and Representation for U.S. and States, 2000 to 2021
Union Membership and Representation for States, 2000, 2010, 2020, and 2021
Source: U.S. Bureau of Labor Statistics, Union Membership, Table 5. Union Affiliation of Employed Wage and Salary Workers by State, https://www.bls.gov/news.release/union2.t05.htm.