Meta will use AI to analyze height and bone structure to identify if users are underage

You know how a bouncer at a bar can usually tell if someone’s trying to sneak in underage, even without checking ID? They’re reading physical cues — height, face, overall build. Meta is basically teaching its AI to do the same thing on Instagram and Facebook. The system looks at things like how tall someone appears in photos or videos, the structure of their face and bones, and other visual signals to guess whether a user might be younger than they’re claiming to be. If the AI thinks someone looks like a minor, it can automatically apply stricter content settings or restrictions to their account.

This matters because right now, platforms mostly rely on people just typing in their birthdate — which, let’s be honest, any 13-year-old can lie about in about three seconds. This new approach is an attempt to catch those situations without requiring everyone to upload a passport. It’s being tested in a handful of countries first before a wider release. The obvious concern is accuracy — mistaking adults for minors (or vice versa) — and the privacy question of what exactly the AI is “seeing” and storing about your physical appearance.

So what does this mean for you practically?

If you run a small business on Instagram or Facebook, pay attention to this. If you sell age-restricted products like alcohol, supplements, or certain services, leaning into Meta’s built-in age controls could actually protect you from liability. You won’t need to build your own age-gate — the platform may increasingly do it for you. Less legal risk, less friction in your setup.

If you’re a parent, this is worth knowing about before your kid complains their feed “changed for no reason.” You can have an informed conversation about why certain content got locked down, and use it as a jumping-off point to review their account settings together. That’s free peace of mind.

If you work in content creation or marketing, start thinking about whether your content strategy is age-appropriate for the audiences Meta thinks you’re reaching. Brands that create clean, clearly adult or clearly family-friendly content will have fewer headaches as these filters get more aggressive. Avoiding a sudden account restriction saves you real money in lost reach and ad spend.

The bottom line: Meta is trying to solve a real problem with imperfect technology, and whether you trust that or not, it’s coming — so you might as well figure out how to work with it rather than get surprised by it.