This document is about an analysis of self-insured, mixed-funded, and fully insured health plans in the United States based on data from Form 5500 filings. It provides insights into the prevalence of different funding mechanisms, their relationship to plan size, industry, and sponsor financials, as well as trends over the 2001 to 2010 period. The report was prepared by Deloitte Financial Advisory Services LLP and Advanced Analytical Consulting Group, Inc. for the U.S. Department of Labor.