In 2012, national expenditures on personal health care totaled $20.4 trillion, broken down by payer as follows

• 34% private health insurance • 23% Medicare • 16% Medicaid • 14% out-of-pocket (excluding premiums) • 9% other party payers • 4% other health insurance programs Source: "Report to the Congress: Medicare Payment Policy," Medicare Payment Advisory Commissions (MEDPAC), http://www.medpac.gov/documents/Mar14_EntireReport.pdf