Teamsters Membership Drops While SEIU Numbers Rise in 2019

The International Brotherhood of Teamsters in 2019 reported its largest single-year drop in membership in at least 20 years as the Service Employees International Union added nearly 45,000 members, according to recently released annual union financial reports filed with the Department of Labor.

The self-reported union data provides a nuanced look at the health of labor organizations across the country. Most recent postings suggest a mixed assessment with some unions recovering from membership losses over the past decade and others, such as the United Food and Commercial Workers, continuing a downward slide.

Union officials cautioned that membership fluctuates. The Teamsters ...