According to a recent survey, 11.9% of U.S. adults ...

... were without health insurance in the fourth quarter of 2015, down from 17.1% in the fourth quarter of 2013.

Source: "U.S. Uninsured Rate 11.9% in Fourth Quarter of 2015," Gallup.com, January 7, 2016, http://www.gallup.com/poll/188045/uninsured-rate-fourth-quarter-2015.aspx?g_source=CATEGORY_HEALTHCARE&g_medium=topic&g_campaign=tiles