Sixteen percent of US adults own a smartwatch

The latest figures out of NPD show a continued uptick in smartwatch sales here in the States. The category has been a rare bright spot in an overall flagging wearable space, and the new numbers show gains pretty much across the board. In fact, the study puts smartwatch ownership at 16 percent among U.S. adults as of December — that figure is up from 12 percent a year prior. Unsurprisingly, it’s a younger demo driving that growth — specifically 18-34-year-olds, where smartwatch ownership is around 23 percent. Of course, Apple and the like have been looking to increase purchases with the older crowd, courtesy of more serious health features like last year’s addition of an ECG meter. Apple, Samsung and …