According to an Associated Builders and Contractors analysis of 2022 state union membership data published recently by UnionStats.com, at least 9 out of 10 construction workers in private industry do not belong to a union in 26 states, up from 24 states in 2021. Nationwide, a record 88.3% of construction workers do not belong to a union, according to the U.S. Bureau of Labor Statistics, up from 87.4% in 2021.