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Social Media Age Minimums: Policy Design and Tradeoffs

Governments worldwide are racing to impose social media age minimums—most prominently 13–16 account bans backed by identity verification—despite a genuinely unresolved scientific debate: correlational studies link heavy use to depression and anxiety, but the largest longitudinal research finds no clear causal relationship, and roughly 40% of restriction experiments showed no improvement or worsened outcomes, with zero experimental studies conducted on the under-16 population these laws actually target. The central policy tension is that the two most plausible enforcement mechanisms—hard age bans and identity-based verification—carry serious independent risks: bans appear to displace minors toward unmoderated encrypted spaces, while verification mandates build surveillance infrastructure that civil liberties groups argue burdens marginalized users most, and compliance costs disproportionately entrench large incumbents. A potentially underexplored middle path—Argentina's graduated autonomy model, where 71% of 14–16-year-olds voluntarily chose algorithm-limited modes when offered the choice—suggests that agency-preserving design interventions may outperform blunt access restrictions, though whether platforms or regulators have the political will to pursue that route remains an open question.

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