Nearly Half of All US Children Own a Phone by Age 10, Study Finds​Nearly Half of All US Children Own a Phone by Age 10, Study Finds 

 Nearly half of all children in the United States have their own phone by age 10, a new Common Sense report finds. Additionally, half of tweens ages 9 to 12 use social media, despite the age requirement being 13. As screen times for children average about five hours a day, what can parents do to limit their device use? NBC’s Kate Snow reports for TODAY.  ​​Nearly half of all children in the United States have their own phone by age 10, a new Common Sense report finds. Additionally, half of tweens ages 9 to 12 use social media, despite the age requirement being 13. As screen times for children average about five hours a day, what can parents do to limit their device use? NBC’s Kate Snow reports for TODAY.