New Census Data: Number of Uninsured Dropped by 1 Million in 2016, with Young Adults Continuing to Make Large Gains - The Commonwealth Fund

"The number of uninsured Americans under age 65 declined by an additional 1 million people in 2016, three years after the major insurance reforms of the Affordable Care Act (ACA) took effect, according to a new federal survey of 94,000 people released by the U.S. Census Bureau today (Exhibit 1). Using data from the Current Population Survey (CPS), Census reported that 10.1 percent of the U.S population under age 65, or 27.5 million people, were uninsured in 2016, down from 15.3 percent in 2013 (Exhibit 2)."

More at the link.