AHRQ Stats

In 2011, 60 percent of hospital stays were billed to Medicare and Medicaid—up from 52 percent in 1997. Between 1997 and 2011, the share of stays billed to private insurance fell from 39 percent to 32 percent. (Source: Agency for Healthcare Research and Quality, Healthcare Cost and Utilization Project Statistical Brief #166: Overview of Hospital Stays in the United States, 2011.)