According to an Associated Builders and Contractors analysis of the  U.S. Bureau of Labor Statistics’ 2025 Union Members Summary , 11.1% of U.S. construction industry workers belong to a union, an increase from 10.3% in 2024, versus 88.9% who do not.    The BLS reported that 995,000 construction industry workers were members of a union, while 8 million chose to pursue their careers in merit-based construction in 2025. The construction industry grew to 9 million workers in 202