
The UK recently passed a new law that effectively bans children under the age of 16 from using most social-media platforms, a move that the UK government notes was based explicitly on Australia’s similar law, which was passed in 2024 (Britain’s law comes into effect next year). The law covers platforms like Instagram, YouTube, TikTok, Snapchat, Facebook and X but it excludes messaging services like WhatsApp and Signal. Some social app features – such as livestreaming and the ability to be contacted by strangers – will be blocked from users under the age of 18, and those features will also be blocked in related services like online gaming apps. According to the UK’s description, all of these new rules will be backed up by stronger requirements for age checks. In the preamble to the British version of the law, the government tries to answer the question “Why are these changes being made?” and this is the explanation it gives:
The government ran a national consultation from March to May 2026, one of the largest engagement exercises undertaken by this government. The results showed overwhelming public demand for action, with 9 in 10 parents backing a social media ban for under‑16s, and two-thirds of young people agreeing under-16s should not be allowed to use at least some social media platforms. These changes reset the rules so that children are protected from the platforms and online features that create the most harm.
One thing you might notice about this explanation is a complete lack of any evidence that such a law a) is necessary and b) works. All we have is a statement that suggests that most parents and young people – or at least most of those who chose to respond to a request for input – wanted this law to be passed. Or if not this law specifically, then they at least wanted “action,” whatever that means. I’ll get to the part about whether such laws are necessary, but the lack of data on whether such legislation will work or not is interesting, since the British law is based on an Australian law that has been in effect for almost two years now. Surely by now there would be some evidence that it is working? If there is, the British government doesn’t supply any, which isn’t that surprising because as far as I’ve been able to determine that kind of evidence doesn’t exist.
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