An estimated 28.2 million U.S. residents (8.8%) lacked health insurance when surveyed during the first nine months of 2016, according to a report released today by the Centers for Disease Control and Prevention. The uninsured rate for adults under age 65 was 9.3% in Medicaid expansion states and 17.5% in non-expansion states. The report also includes estimates by Health Insurance Marketplace type and for various demographic groups.