Labor Unions and the Internet: Labor Statistics

The mission of the Federal Mediation and Conciliation Service includes improving labor-management relations, promoting collective bargaining, and improving organizational effectiveness. The Documents and Data section features hard-to-find information about unions and work stoppages.

The Work Stoppages page provides information about U. S. strikes and other work stoppages that affect over 1000 workers. Company names, industries, and summary data are provided. For work stoppages involving fewer than 1000 workers, see the Federal Mediation and Conciliation Services' Work Stoppages (Continuing and Ending)

Find summary statistics on NLRB activity, including decisions, court reviews, elections, unfair labor practices, etc.. (from 1936-2009)

(Information about database. Database must be requested.) The ILO has created a database on trade union membership. It contains data for 45 countries from 1990-Available in Excel files on request from the ILO Bureau of Statistics.

Find recent statistics on NLRB certification and decertification elections. Variables include geographic location, industry, bargaining unit size, as well as election results.

This January release is the main government source for statistics on U. S. labor union membership and density.

Source for information on membership and finances of individual unions. From the U. S. Department of Labor.

The Union Membership and Coverage Database is an Internet data resource providing private and public sector labor union membership, coverage, and density estimates compiled from the Current Population Survey (CPS), a monthly household survey, using BLS methods. These statistics are provided by the BLS in its annual Union Membership survey, but due with less detail. Be sure to read the background information on Unionstats.com with its commentary on the accuracy of the sample.