Similarly , the Urban Institute issued a report in December 2016 that said that about 19.2 million non-elderly Americans had gained health insurance coverage from 2010 to 2015 .
Of the 20.0 million , an estimated 6.1 million were aged 19 -- 25 .
The Urban Institute issued a report in December 2016 that said that about 19.2 million non-elderly Americans had gained health insurance coverage from 2010 to 2015 .
Of the 20.0 million , an estimated 6.1 million were aged 19 -- 25 .