This document is about a report on the characteristics and financial details of private sector employer-sponsored group health plans that filed a Form 5500 in 2013. It provides analysis and statistics on the number of plans, plan participants, plan assets and liabilities, contributions, benefits, and administrative expenses across self-insured, fully-insured, and mixed-insured plans. The report also examines the distribution of plans by plan type, insurance contracts, industry, and collective bargaining status.