The United Kingdom has unveiled a proposal to ban children under the age of 16 from social media, according to TechCrunch. If enacted, the measure would represent one of the most sweeping restrictions on youth access to social platforms attempted by a major country.

The ban would apply to a broad range of the world's most widely used apps. According to TechCrunch, the platforms named in the proposal include Snapchat, TikTok, YouTube, Instagram, Facebook, and X — effectively the services that define how most teenagers spend their time online today.

The scope is notable. The proposal does not target a single app or a specific category of harm. It draws a hard legal line at age 16, sweeping in everything from short-video platforms to long-established social networks like Facebook and YouTube, which host content ranging from entertainment to news and education.

How platforms would verify that their users are old enough — and what consequences companies might face for failing to comply — was not detailed in initial reports.

For teenagers in the UK, the practical implications would be significant: a 15-year-old could be legally blocked from the same apps that peers in much of the rest of the world use without restriction.

This matters because if the UK manages to enforce such a ban at scale, it could become a model that pressures social media companies globally to overhaul how they handle access for younger users — a change that would touch billions of accounts worldwide.