A 2021 survey by Common Sense Media found that 88% of children between the ages of 13 and 18 had their own smartphone, 57% of children between the ages of 8 and 12 had their own tablet and, on average 8- to 12-year-olds had approximately 5.5 hours of entertainment screen time per day while 13- to 18-year-olds were on their screens for about 8.5 hours per day (see Common Sense census, "Media use by tweens and teens").