The health law’s expansion of Medicaid coverage to adults with incomes over the poverty line was key to reducing the uninsured rate among 50- to 64-year-olds from nearly 12 to 8 percent in 2014, according to a new analysis.

“Clearly most of the gains in coverage were in Medicaid or non-group coverage,” says study co-author Jane Sung, a senior strategic policy adviser at the AARP Public Policy Institute, which conducted the study with the Urban Institute. [Read more…]