What the research actually says
This isn't about fear, and it isn't a verdict on any one family. It's the evidence that makes waiting, or choosing a simpler device, a completely reasonable choice. Every figure below links to its original source so you can read it yourself.
For balance: the American Psychological Association's first health advisory (2023) stresses that social media is neither inherently harmful nor beneficial, and urges guidance, skills, and monitoring over a blanket ban. Read the APA advisory.
A national advisory
The U.S. Surgeon General issued a formal advisory warning that, on current evidence, we cannot yet conclude social media is sufficiently safe for children and adolescents, and calling for stronger protections.
U.S. Surgeon General (HHS), 2023Double the risk
The same advisory cites research that adolescents who spend more than three hours a day on social media face roughly double the risk of depression and anxiety symptoms.
U.S. Surgeon General advisory, 2023Nearly half, always online
Nearly half of U.S. teens say they are online almost constantly, up from about a quarter a decade ago, and 95% have access to a smartphone.
Pew Research Center, 20241 in 4 by age 8
Nearly one in four children now has their own cellphone by age 8. Tweens (8-12) average around five and a half hours of screen media a day.
Common Sense Media, 2021 & 2025 census46% face cyberbullying
Almost half of U.S. teens report experiencing at least one form of cyberbullying, most often name-calling or having false rumors spread about them, much of it through messaging.
Pew Research Center, 2022Why the developing brain matters
This is the “why” behind a boundary, in plain terms. The effects below are associations reported by health bodies, not guarantees for any one child, but they help explain why waiting or going simpler is reasonable.
Impulse control is still under construction
The prefrontal cortex, which handles planning, judgment, and impulse control, is one of the last brain areas to mature and keeps developing into the mid-to-late 20s.
National Institute of Mental Health (NIMH), 2023Many apps are designed to hold attention
The American Academy of Pediatrics notes app business models can prioritize engagement through autoplay, endless scroll, and intermittent rewards, designs children can find hard to resist.
American Academy of Pediatrics (AAP), 2026Screens near bedtime are linked to worse sleep
Screen use in the hour before bed is associated with less and poorer sleep; the AAP suggests turning screens off at least an hour before bedtime.
AAP HealthyChildren, 2025Enough sleep supports focus, learning, and mood
Students who get adequate sleep tend to concentrate and perform better, while too little sleep is linked to more attention and behavior problems.
CDC, Sleep and HealthSchools are drawing lines, too
By 2026, more than 30 U.S. states had passed laws requiring schools to restrict or ban student cellphones during the day, a fast-growing and strikingly bipartisan trend. Florida passed the first statewide law in 2023; New York adopted an all-day, bell-to-bell restriction in 2025. Some of these laws cover “personal electronic devices” broadly, which can include smartwatches. The exact count is a moving target, so the trackers below show the live numbers.
You're not doing this alone
The Wait Until 8th campaign lets parents pledge to hold off on a smartphone until at least the end of 8th grade, and the pledge only activates once ten families from your child's grade and school sign on, so no kid is the only one waiting. A basic call-and-text phone or a watch is still fine under the pledge.
Learn about the pledgeFigures reflect the most recent data published by each organization as of 2026 and are drawn from primary sources (U.S. Surgeon General, the American Psychological Association, Pew Research Center, Common Sense Media, Education Week, and Ballotpedia). This page is informational, is focused on the United States, and is not medical or legal advice.