Published
The most recent demographic, enrollment, and expenditure data for dually eligible beneficiaries is in the zip file "State and County Data File 2012" found on the Medicare-Medicaid Coordination Office website. Additional data and statistical resources for the years 2007, 2008, 2009, and 2011 can be found in the Medicare-Medicaid Enrollee State Profiles. See also Defining Medicare-Medicaid Enrollees in CMS Data Sources.