This document provides an overview and summary of the 2009 Kaiser Family Foundation/Health Research & Educational Trust Employer Health Benefits Annual Survey. The survey collected data from over 2,000 small and large employers on health benefits offered, costs of coverage, worker and employer contributions, plan design, and other topics. Key findings include that average annual premiums for family coverage in 2009 were $13,375, with workers contributing on average $3,515 toward their premiums. Large firms on average pay higher premiums than small firms. The percentage of firms offering health benefits has remained stable at around 60% since 1999.