This report summarizes the calendar year 2016 experience for selected administrative metrics of organizations reporting Medicaid experience under the Title XIX Medicaid line of business on the National Association of Insurance Commissioners annual statement. The primary purpose of this report is to provide reference and benchmarking information for certain key administrative expense categories used in the day-to-day analysis of Medicaid managed care organization (MCO) financial performance. It also explores the differences among various types of MCOs using available segmentation attributes defined from the reported financial statements.