When Should Kids Get a Smartphone? The Research, the Risks, & a Better Way Forward

By Dr Justin Coulson, Parenting Expert

Many parents find themselves facing a familiar dilemma: “Is it time to give my child a phone?”

The pressure can feel enormous — socially, logistically, and emotionally. Children insist that “everyone has one,” other parents reassure us it’s what happens in Year 7, and we wonder whether refusing is unreasonable or outdated.

But before making the jump; pause. While smartphones are part of modern childhood, the age a child receives one matters — a lot.

The Stats That Make You Shudder

A recent peer-reviewed study in Pediatrics followed more than 10,000 children aged 10–12. They found that:

Earlier acquisition of a smartphone is associated with significantly worse outcomes.
Children who received a smartphone during their 12th year had:
- 57% higher odds of clinical-level mental health difficulties by age 13
- 62% higher odds of insufficient sleep
- 40% higher odds of obesity
- 31% higher odds of depression

The tween and teen brain — particularly the prefrontal cortex responsible for impulse control, planning, and decision-making — isn’t mature right now. The never-ending whirlwind of apps, games, notifications, and distraction (plus time on social platforms that isn’t technically allowed anymore) can be overwhelming for a brain still under construction.

Research internationally suggests a similar theme: Every year we delay smartphone access tends to reduce risk.

Why Parents Usually Say Yes — And Where It Goes Wrong

Parents give me four reasons for handing over a smartphone to their child:

1. Safety (“What if they need help?”)

Response: Smartphones are not required for safety. A basic ‘dumb phone’, watch-phone, or even a household landline solves the safety problem without handing over social media, messaging apps, games, or endless internet access.

2. Logistics (“I need to coordinate pickups and plans.”)

Children survived without phones for generations. Clear communication ahead of time works better than constant messaging, and it builds resilience and independence.

→ Set a pickup time and place → Teach children how to ask an adult for help→ Make a simple backup plan (“If I’m late, you start walking…”) And a dumb phone will do the job if logistics is a challenge. See 1. above.

3. Social Connection (“They’ll be left out without one.”)

Group chats and digital friend circles feel social, but they often increase comparison and competition, exclusion and anxiety, cyberbullying, and sleep disruption. In-person friendships remain richer and more developmentally important.

4. “They Need to Learn Eventually”

Giving a 12-year-old a smartphone to “learn to manage it” is a bit like giving that same 12-year-old a bottle of vodka to “learn to drink responsibly.” Most children aren’t developmentally ready for that level of stimulation and access.

A Framework that Actually Works

The standard in our family is simple: “When you can afford it and pay for it yourself — it’s yours.” That includes: the device, the monthly plan, repairs, replacements if lost or broken.

This framework works because it:

Delays acquisition naturally
Builds financial responsibility
Shifts entitlement to initiative
Reduces peer pressure
Introduces natural consequences

Most children don’t have $800–$1500 for a device plus monthly fees until somewhere between 15–17 — which aligns with many child psychologists’ recommendations.

“But My Child Already Has a Smartphone…”

If the horse has already bolted — please don’t panic. You haven’t “ruined” anything.

Instead, create clear, developmentally appropriate boundaries:

No phones in bedrooms or bathrooms
No phones during meals or short car trips
Time limits on apps + gaming
Social media only at age-appropriate levels (ideally 16+)
Tech-free family activities
Consistent routines around sleep and charging

If possible, consider stepping back from smartphones to simpler options — plenty of families do this successfully.

Action Steps for Parents (Ages 5–18)

For Ages 5–10

No personal smartphones
Prioritise outdoor play + social skills
Model healthy tech boundaries
Use parental controls on family devices
Allow messaging or video calls through parent accounts only

For Ages 11–14

Delay smartphones as long as possible
Offer a basic phone or watch for safety if needed
Build logistics plans (pickup times, backup strategies)
Teach digital citizenship, not just digital access
Have conversations about social media literacy

For Ages 15–18

Move toward supervised independence
Introduce budgeting for phone plans
Review social media use together
Discuss online identity, privacy, and sleep
Teach how to set their own boundaries

The Real Question

Smartphones aren’t evil, and technology isn’t the enemy. But access without readiness creates problems that are harder to undo than they are to prevent. Delaying smartphone access — even by one year — can make a meaningful difference to mental health, sleep, and learning. And as parents, that’s a difference we can give our children.

eSafety Commissioner

Understanding and using parental controls to help protect your child online