Union Membership Has Shifted Toward the Public Sector
Union Membership by Sector, Number of Workers, 1983–2025
Stacked area chart showing the number of union members in the public sector (blue fill) and private sector (red fill) from 1983 through 2025. There are still more union members in the private sector than the public sector, but the number of members in the private sector has declined more over time.
Estimates for 2025 reflect the average over 11 months due to missing data in October 2025.
