Google is using your search history and YouTube viewing habits to guess whether you are under 18 in Canada, and if the system gets it wrong, you may have to show a government ID or take a selfie. The rollout began gradually in September, with users receiving email and notifications inside Google products. The machine learning system uses signals already connected to a person’s Google account, like search history and YouTube viewing habits. Google says it will not collect any new information for the system.
But if the model flags you as a minor, you may need to upload a government ID or take a selfie to verify your age. Adults incorrectly identified as minors can manage the settings themselves by verifying.
How The System Works
The system uses signals already connected to a person’s Google account, including search history and YouTube viewing habits. Google says it will not collect any new information for the system.
If the model flags you as a minor, the company asks for a government ID or selfie to verify. Adults incorrectly identified as minors can correct the settings themselves by verifying their age. The system is designed to let users manage the outcome if the model gets it wrong.
What Happens If You Are Identified
For accounts identified as under 18, YouTube will enable break and bedtime reminders while limiting repeated recommendations of certain content. Timeline in Maps will be disabled, and personalized advertising will be turned off for those accounts. Age-sensitive ad categories will be restricted, and adult-only apps blocked on Google Play.
The company argues its approach reduces the need to collect additional data. But the system still asks Canadians to hand over biometric data to prove what it claims to already know. Google has not disclosed how accurate the Canadian age-estimation model is.
The Privacy Trade-Off
The Canadian system uses signals already connected to a person’s Google account, including search history and YouTube viewing habits. Google says it will not collect any new information for the system.
But the system still asks Canadians to hand over biometric data to prove what it claims to already know. Google has not disclosed how accurate the model is.
The company’s argument is that it needs no new information to protect young users. But the system asks Canadians to hand over biometric data to prove what it claims to already know, while Google has not disclosed how accurate the model is.
The Pattern In The US
YouTube’s AI age estimation rollout in the US in 2025 analyzed account activity and viewing history before asking some users to verify their age with ID or selfie. The US rollout drew criticism from privacy experts who called the system “creepy” and warned about the risks of handing over biometric information. Users later reported a surge in age-related restrictions as the rollout expanded.
The Canadian system works on the same logic: Google looks at what you already have in your account, makes a guess, and then asks you to prove it if the guess goes the other way.
What Canadians Should Know
If you receive an email or notification inside a Google product, check your settings to see if the system has flagged you. If you are incorrectly identified as a minor, you can manage the settings yourself by verifying your age.
The rollout began gradually in September, with users receiving email and notifications inside Google products. The system is rolling out to users in Canada.
The company’s case is that it needs no new information to protect young users and that adults can correct an incorrect guess themselves. But the system asks Canadians to hand over biometric data to prove what it claims to already know, while Google has not disclosed how accurate the model is.
The Bottom Line
Google’s argument is that it needs no new information to protect young users. But the system asks Canadians to hand over biometric data to prove what it claims to already know, while Google has not disclosed how accurate the model is.
The company has not disclosed how accurate the model is. That leaves users with a choice: trust the system or hand over personal data to prove what the system already claims to know.
Key Facts Box
- System: AI age estimation
- Rollout: Canada, began gradually in September
- Signals used: Search history, YouTube viewing habits, and other data already connected to a person’s Google account
- Verification: Government ID or selfie
- Restrictions: Break and bedtime reminders, disabled Timeline in Maps, disabled personalized advertising, restricted age-sensitive ad categories, blocked adult-only apps on Google Play
- US precedent: AI age estimation rollout, YouTube, 2025
- Privacy experts’ view: Called “creepy,” warned about biometric information risks
The system is rolling out to users in Canada, and the company has not disclosed how accurate the model is.
See the video the story is built around at Dexerto.
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