More Than Three-Quarters of Adults Own a Smartphone

As of 2016, 78 percent of American adults have smartphones, with 92 percent of adults between the ages of 18 to 29 and 54 percent of those over 65 owning a smartphone.   

Source: Vox/Morning Consult, Poll: young people are stressed and distracted by constant smartphone connectivity, October 11, 2016; available at: http://www.vox.com/new-money/2016/10/11/13206266/smartphone-poll