Mobile dethroned TV in 2019 as the channel where US adults spent the most time. While it may be a symbolic threshold for now, it’s still notable that the average US adult spent 3 hours, 43 minutes (3:43) on their mobile devices in 2019, compared with the average 3:35 spent watching TV. As recently as 2016, US adults watched nearly an hour more of TV than they spent on their smartphones and tablets (4:05 vs. 3:08).

eMarketer global director of public relations Douglas Clark explains our usage estimates for mobile messaging app KakaoTalk and why a growth slowdown may be on the horizon.