{"meta":{"dataset":"union-membership","title":"Union membership and representation by state (BLS Union Members), 2024 and 2025","version":"1.0.0","doi":"10.5281/zenodo.23845987","doiUrl":"https://doi.org/10.5281/zenodo.23845987","conceptDoi":"10.5281/zenodo.23845986","license":"CC BY 4.0","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","attribution":"Source: Probative, Union membership and representation by state (BLS Union Members), 2024 and 2025, version 1.0.0, https://doi.org/10.5281/zenodo.23845987, licensed CC BY 4.0.","citation":"Probative. (2026). Union membership and representation by state (BLS Union Members), 2024 and 2025 (Version 1.0.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23845987","disclaimer":"Not legal advice. These are survey estimates from the Current Population Survey, rounded to thousands and one decimal by BLS; small states have wider sampling error. The 2025 annual figures average the 11 months BLS published (January to September, November and December). BLS says the 2025 figures are not strictly comparable with other years.","notice":"Probative is a marketing firm, not a law firm; not legal advice.","lastChecked":"2026-10-30","url":"https://probativegrowth.com/data/v1/union-membership/changes.json","humanUrl":"https://probativegrowth.com/data/union-membership/","statusCodes":{"P":"primary source","S":"secondary source"}},"changes":[{"id":"union-membership-2026-10-30-first","date":"2026-10-30","jurisdiction":"US","records":["union-membership:US"],"status":"P","title":"Union membership by state first published","summary":"BLS union members and workers represented by unions in every state and DC, 2024 and 2025: in 2025, 10.0% of U.S. wage and salary workers were union members, from 2.3% in South Dakota to 24.8% in Hawaii.","source":{"label":"BLS Union Members 2025","url":"https://www.bls.gov/news.release/union2.t05.htm"},"dataset":"union-membership"}]}