Department of Labor Logo United States Department of Labor
Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

December 1991

Union membership statistics in 12 countries

Clara Chang, Constance Sorrentino

Industrial relations practices differ widely among the developed countries, and union membership data serve as important background information for understanding how relationships between labor and management have evolved over time.

Download PDF »