Screens and phones

Teenager screen time: the averages, what's recommended, and what it does

The latest numbers on teenage screen time, with sources and dates, why there's no single right amount, what the research says about effects, and what parents can do.

Most parents of teenagers have looked at their teen's screen time report at some point and felt their stomach drop. Six hours. Eight. More. It's hard to know whether that's normal, whether it's harmful, and what, if anything, to do about it, especially when screens are also where teenagers do their homework and talk to their friends.

This guide gives you the numbers, with sources and dates, explains what's recommended and why there's no single "right" number, covers what the research says about effects, and offers a practical way to decide what's right for your family. For practical steps, see how to limit screen time for a teenager.

What is the average screen time for a teenager?

Several hours a day, whichever way it's measured. In a CDC survey covering July 2021 to December 2023, 50.4% of US teens aged 12 to 17 reported 4 or more hours of screen time a day on weekdays, not counting schoolwork. The share was higher among older teens: 55.0% at 15 to 17, compared with 45.6% at 12 to 14.

A broader measure from Common Sense Media's 2021 census, which counts all entertainment screen media, found that teens aged 13 to 18 averaged about 8 hours 39 minutes a day. Numbers differ because surveys measure different things, but the picture is consistent: heavy screen use is the norm, not the exception.

Teenager screen time statistics at a glance

These are the most useful recent figures for parents. They come from different sources and years, so compare them with care. Each figure is an average or a share of teens, and your own teen may be well above or below it. The point is to put your family's numbers in context, not to hit a target.

FigureSource
50.4% of teens 12–17 report 4+ hours of screen time on weekdays (excluding schoolwork)CDC NCHS, data 2021–2023, published 2024
55.0% of teens 15–17 report 4+ hours on weekdaysCDC NCHS, 2024
About 8 h 39 min a day of entertainment screen media, teens 13–18Common Sense Census, 2021
Teens using social media more than 3 hours a day face double the risk of depression and anxiety symptomsU.S. Surgeon General advisory, 2023
Teens need 8–10 hours of sleep a nightAmerican Academy of Sleep Medicine, endorsed by the AAP

Screen time by age

Screen time rises through the teenage years. In the CDC data, 45.6% of 12- to 14-year-olds reported 4 or more hours on weekdays, compared with 55.0% of 15- to 17-year-olds. Older teens have more independence, more homework online and more social life on their phones, so higher use is expected. What changes with age is how much of the managing they should do themselves.

AgeShare with 4+ hours on weekdays (CDC, 2021–2023)Parent's role
12–1445.6%Set most of the structure; agree clear times and places
15–1755.0%Agree the plan together; hand over more self-management

Does screen time for school count?

Most surveys, including the CDC and Common Sense figures above, exclude schoolwork, and most parents treat it differently too. Homework on a laptop isn't the same as scrolling. The line blurs when schoolwork happens with a game or chat open in another tab. Many families set a simple rule: homework first, on a device in a shared space, then free time.

There's no evidence-based number that fits every teen. The American Academy of Pediatrics doesn't set a universal hour limit for teenagers, because the evidence doesn't support one. Instead, it recommends a family media plan and its "5Cs" framework, which focus on the child, the content, calm, crowding out, and communication.

In practice, that means asking what screens are doing for and to your teen, not just counting hours. The AAP's updated guidance puts the emphasis on what media use replaces, like sleep, activity and family time, and on the quality of what teens are watching and doing.

How much screen time is healthy for a teenager?

Healthy screen time is screen time that leaves room for the things teens need: 8 to 10 hours of sleep, schoolwork, physical activity, time with family, and in-person friendships. If those are in place and your teen seems well, the exact hours matter less. If screens are crowding them out, that's the problem to solve, whatever the number.

  • Sleep: are they getting 8 to 10 hours? Are phones in bedrooms at night?
  • School: is homework getting done?
  • Activity: are they moving most days?
  • People: do they see friends in person, and spend some time with family?
  • Mood: how do they seem during and after screen use?

Is 7 hours of screen time bad?

Seven hours a day is within the range many teens report, but it's a lot, and what matters is what it's made of and what it displaces. Seven hours including homework, messaging friends and a film is different from seven hours of scrolling late at night. If it's cutting into sleep, schoolwork or mood, it's worth changing, whatever the total.

How long should a 15-year-old have screen time?

There's no official limit at 15, or any other teenage age. Start with what needs protecting, like sleep, school, activity and family time, and agree screen time around those. Many families find it more effective to set screen-free times and places, such as meals, the hour before bed and bedrooms at night, than to police a daily total.

What is the 3-6-9-12 rule for screen time?

A rule of thumb proposed by French psychiatrist Serge Tisseron in 2008: no screens before 3, no personal games console before 6, internet only with an adult before 9, and no unsupervised internet or social media before about 11 or 12. Versions differ slightly on the exact ages. It's useful for younger children, but it isn't an official medical guideline and says little about how much screen time teenagers should have.

Effects of screen time on the teenage brain

The teenage brain is still developing, and the NIMH notes that the areas for planning and impulse control mature last. That's part of why apps designed to hold attention can be especially hard for teens to put down. Research on long-term brain effects is still developing, and much of it shows associations rather than clear causes.

What's clearer is the effect on sleep. Screens late at night delay sleep and cut its length, and short sleep affects attention, mood and learning. The American Academy of Sleep Medicine recommends 8 to 10 hours for teens, and notes that insufficient sleep is linked to attention, behavior and learning problems.

Screen time and mental health

Heavy screen use is associated with poorer mental health in teens, though the direction isn't always clear. Struggling teens may also use screens more. In the CDC data, about 1 in 4 teens with 4 or more hours of daily screen time reported anxiety or depression symptoms in the past two weeks.

The U.S. Surgeon General's 2023 advisory found that teens spending more than 3 hours a day on social media face double the risk of depression and anxiety symptoms, and raised concerns about harmful content, sleep loss and time taken from in-person relationships.

Gaming

Gaming is a big part of many teenagers' screen time, especially boys'. It can be social, creative and fun, and it can also crowd out sleep and schoolwork, especially games designed to keep players going. Agreeing when gaming happens, like after homework and not in the hour before bed, works better than banning it. Being interested in what they play helps too.

Weekends and school holidays

Many families allow more screen time on weekends and holidays, which is reasonable. The same priorities still apply: sleep, some physical activity, time with family and friends in person. A holiday rule of "outside or active for part of every day" often works better than a strict hourly limit.

Social media vs other screen time

Not all screen time is the same. Video calls with a grandparent, coding, creative projects and homework are very different from endless scrolling. Social media gets particular attention because of comparison, harmful content and its pull on attention. When you review your teen's screen time, look at the mix, not just the total.

Is it ADHD or too much screen time?

You can't tell from screen time alone. Heavy screen use can affect sleep, focus and mood, and teens with ADHD may be especially drawn to fast-paced screens, so the two can look alike. If attention problems show up across school, home and friendships, not just when screens are around, ask your teen's doctor about an evaluation.

Screens and family connection

For many families, the biggest cost of screens isn't a statistic but a feeling: everyone in the same room, each on their own device. Screens can crowd out the small, ordinary moments where teenagers tend to talk. Protecting a few screen-free moments each day, like meals, car rides and late evenings, gives connection a chance. See how to get a teenager talking.

Reading your teen's screen time report

Phone screen time reports can be alarming, but look closer before reacting. They count every minute the screen is on, including music, maps, messaging and homework apps. Look at which apps take the most time, and when: late-night use matters more than daytime totals. Reviewing the report together, with curiosity rather than accusation, can start a useful conversation.

Talking with your teen about their screen time

Most teens know screens affect them. Many say they feel worse after too much scrolling, or wish they slept more. Ask rather than lecture: "How do you feel after an evening on your phone?" or "Is there anything you'd like to spend less time on?" Teens who reach their own conclusions are far more likely to change than teens who are told what to do.

Screens and physical activity

Time on screens is often time sitting down. Teens benefit from regular physical activity for their mood, sleep and health. Rather than cutting screen time in the abstract, help your teen find activity they enjoy, like a sport, walking with friends, the gym, or cycling to school. When activity has a regular place in the week, screen time tends to find its own level.

What parents can do

Start with a family media plan, agreed together, that protects sleep, school, activity and family time. Keep phones out of bedrooms at night, set a few screen-free times, talk about what your teen does online, and model the habits you want to see. The AAP's Family Media Plan is a good place to start. There's a step-by-step guide in how to limit screen time for a teenager.

When to worry about screen use

Be more concerned if screen use is causing serious sleep loss, falling grades, withdrawal from friends and family, intense anger when devices are removed, or signs of depression or anxiety, or if your teen is exposed to harmful content or contact. Talk to their doctor or school counselor. Screen use can be a symptom of distress as well as a cause.

Frequently asked questions

What is the average screen time for a teenager?

It depends how it's measured. In a CDC survey covering 2021 to 2023, about half of US teens aged 12 to 17 reported 4 or more hours of screen time on a typical weekday, not counting schoolwork. Common Sense Media's 2021 census found teens averaged about 8 hours 39 minutes a day of entertainment screen media. Either way, several hours a day is typical.

How much screen time is healthy for a teenager?

There's no evidence-based number that fits every teen, and the American Academy of Pediatrics doesn't set one. A healthier question is whether screens are crowding out sleep, schoolwork, physical activity, family time and in-person friendships, and how your teen feels during and after use. A family media plan helps with this.

Is 7 hours of screen time bad for a teenager?

Seven hours a day is within the range many teens report, but it's a lot, and it matters what it's made of and what it displaces. Seven hours that include homework, messaging friends and a film is different from seven hours of scrolling at night. If it's cutting into sleep, school or mood, it's worth changing.

How long should a 15-year-old have screen time?

There's no official limit for a 15-year-old. Focus on protecting 8 to 10 hours of sleep, schoolwork, physical activity and time with family and friends, then agree screen time around those. Many families use screen-free times, like meals and the hour before bed, rather than a daily total.

What is the 3-6-9-12 rule for screen time?

A guideline proposed by French psychiatrist Serge Tisseron in 2008: no screens before age 3, no personal games console before 6, internet use only with an adult before 9, and no unsupervised internet or social media before about 11 or 12. Versions differ slightly. It's a rule of thumb, not an official medical guideline.

Is it ADHD or too much screen time?

You can't tell from screen time alone. Heavy screen use can affect sleep, attention and mood, and teens with ADHD may be especially drawn to screens, so the two can look similar. If attention problems show up across school, home and friendships, ask your teen's doctor about an evaluation.