The uninsured rate for lower-income working-age blacks and Latinos dropped by at least 10 percentage points between 2010, when the first ACA coverage expansions went into effect, and 2016, according to the latest Commonwealth Fund Biennial Health Insurance Survey. In a new post, Commonwealth Fund researchers report that 2016 uninsured rates for low- and middle-income whites, blacks, and U.S.-born Latinos were lower in Medicaid expansion states—all below 10 percent—than in nonexpansion states.