Using a survey fielded by the RAND American Life Panel, we estimate a net gain of 9.3 million in the number of American adults with health insurance coverage from September 2013 to mid-March 2014.
The survey, drawn from a small but nationally representative sample, indicates that this significant uptick in insurance coverage has come not only from enrollment in the new marketplaces established under the Affordable Care Act (ACA), but also from new enrollment in employer coverage and Medicaid.
Put another way, the survey estimates that the share of uninsured American adults has dropped over the measured period from 20.5 percent to 15.8 percent. Among those gaining coverage, most enrolled through employer-sponsored coverage or Medicaid....
