How Much Do Private Industry Employers Pay for Legally Required Employee Benefits?
http://www.bls.gov/opub/perspectives/program_perspectives_vol4_issue1.pdf
In December 2011 the average cost to private industry employers for legally required benefits, such as social security, Medicare, federal and state unemployment insurance, and workers’ compensation, was $2.33 per employee hour worked or 8.1% of total employee compensation. From the Bureau of Labor Statistics
