UK Announces Nationwide Ban on Social Media for Under-16s, Targeting Spring 2027 Roll-out

States have long moved to shield minors from new technologies—from the 1833 Factory Act limiting child labour, to the 1954 Television Act’s evening watershed, to the U.S. COPPA of 1998 regulating kids’ web data. Starmer’s move extends that pattern into the algorithmic age and dovetails with Europe’s broader post-2016 recoil against Big Tech power. Yet it also serves a domestic political need: a headline-grabbing, parent-friendly policy amid an impending leadership challenge. On a century scale the significance will depend on enforcement mechanics: a workable age-verification lattice would mark Britain’s first de-facto digital ID regime, overturning the popular rejection that killed the 2006–2010 ID card scheme. Should teens simply tunnel through VPNs, the episode could echo U.S. Prohibition (1920–1933)—a sweeping moral intervention that spawned new grey markets and was ultimately rolled back.