Default guided retirement solutions for defined contribution pension holders could expose millions of retirees to financial losses, according to new research from the Behavioural Insights Team (BIT). The study, commissioned by the Institute and Faculty of Actuaries, evaluated four retirement income models against behavioral evidence on pension decision-making: drawdown, immediate annuities, flex and fix, and retirement collective defined contribution (CDC). Under the Pension Schemes Act 2026, DC trustees must