Union Members in 2007
http://www.bls.gov/news.release/pdf/union2.pdf
Latest in a series of annual reports on union membership in America. Features five tables with number of members (rose by 311,000 to 15.7 million), demographic characteristics, membership by industry or occupation, earnings of union and nonunion workers, and union membership by state. States with the lowest union membership rates are Texas, Virginia, North Carolina, South Carolina, and Georgia. From the Bureau of Labor Statistics.
