The U.S. Science and Engineering Workforce: Recent, Current, and Projected Employment, Wages, and Unemployment
http://www.fas.org/sgp/crs/misc/R43061.pdf
Presents information on the health of the U.S. science and engineering workforce, seen as a key ingredient in national well-being. Includes employment projections to 2020 and recent trends in employment and wages. From the Congressional Research Service, posted by the Federation of American Scientists