How Much Data Does TikTok Use?
TikTok is one of the biggest data consumers on a teenager's phone. Here's exactly how much it uses — and what you can do about it.
TikTok data usage at a glance
| Time spent | Data used |
|---|---|
| 10 minutes | ~85–170MB |
| 30 minutes | ~250–500MB |
| 1 hour | ~500MB–1GB |
| 1 hour/day for a month | ~15–30GB |
| 3 hours/day for a month | ~45–90GB |
The average UK teenager spends over 90 minutes per day on TikTok. That's roughly 22–45GB per month from TikTok alone.
Why does TikTok use so much data?
- Videos auto-play continuously without stopping
- TikTok pre-loads the next several videos in the background
- High-quality video by default (1080p on most phones)
- Live streams use significantly more data than regular videos
How to reduce TikTok data usage
- Use Data Saver mode — in TikTok Settings → Data Saver. Reduces quality but cuts usage significantly.
- Connect to Wi-Fi at home — TikTok on Wi-Fi doesn't use mobile data.
- Set screen time limits — TikTok has built-in screen time controls for under-18s.
- Download on Wi-Fi — TikTok allows saving videos to watch offline.
Even with data saving on, a heavy TikTok user will burn through a capped plan quickly. Unlimited data removes the risk entirely.
Frequently asked questions
TikTok uses approximately 500MB to 1GB per hour of scrolling, depending on video quality settings and your connection speed.
Yes. TikTok pre-loads videos even when you're not actively watching. You can restrict background data in your phone settings to reduce this.
Data Saver reduces video quality and pre-loading, cutting usage by roughly 40–60%. It's worth enabling if your child is on a capped plan, but unlimited is simpler and more reliable.