Britain faces an “economic catastrophe” driven by a generation of young people who have been “rewired” by smartphones and are retreating into their bedrooms, according to a stark warning from the government’s new jobs tsar. Alan Milburn, the former health secretary appointed by Prime Minister Keir Starmer to tackle youth unemployment, has identified a “bedroom generation” whose constant scrolling is fuelling mental ill-health and economic inactivity. In comments reported this week, Milburn diagnosed a “rising tide of mental ill-health, anxiety, depression, neurodiversity” that has left hundreds of thousands of 16- to 24-year-olds neither working nor learning, at a potential cost to the treasury that runs into billions. Viewed from London, the diagnosis frames smartphone addiction as the engine of a quiet but profound social recession.

The disengagement of the young from the workforce is not the only societal tremor being linked to the ubiquitous smartphone. From Bogotá to New Delhi, demographers are puzzling over a precipitous decline in birth rates that has outpaced earlier projections. United Nations data show global fertility has halved since 1950, to just over two children per woman, while Colombia registered barely one child per woman last year. A growing body of research now posits a connection between the spread of smartphones since 2007 and collapsing fertility, as screen-mediated lives displace the intimate social interactions that lead to family formation. Across Latin America, where smartphone penetration has surged, the hypothesis is gaining traction among analysts who once attributed the demographic shift solely to female education and contraceptive access.

The screen’s hold extends deep into childhood and education. In India, a social experiment at a Hyderabad school found that 84 per cent of students consistently demonstrated self-management and collaborative skills—yet their parents remained fixated on academic marks, missing the quiet development of digital-age competencies. Meanwhile, in Sweden, a mother’s exasperation captures a common parental frustration: a new national mobile-phone ban in schools has not stopped her child from accessing TikTok via a school-issued laptop during breaks and at home. Such stories echo across Europe, where policymakers grapple with the paradox that devices meant for learning have become vectors for distraction. Teachers, for their part, are striving to revive the Socratic art of deep questioning in the classroom, but the continuous partial attention of the smartphone generation erodes the sustained inquiry that intellectual growth demands.

Behind all this lies an algorithmic architecture designed to captivate. In India, home to nearly 500 million social media users, teenagers measure self-worth in likes and scroll through infinitely personalised feeds before their feet touch the floor in the morning. Research firms describe a parallel digital world where childhood, friendship and boredom have been outsourced to platforms. The consequences—mental health crises, delayed adulthood, falling birth rates—are now impossible to ignore. From Whitehall to the World Health Organization, policymakers are beginning to connect the dots, but remedies remain elusive. The bedroom generation may yet prove to be a global cohort whose withdrawal from work, family and civic life will define the coming decades. For governments accustomed to tackling economic cycles, the challenge is to confront a structural rewiring of human behaviour that no fiscal stimulus can easily reverse.