But there’s a bigger problem. Wealth manager Rathbones put out an alarming study recently saying that when they come to retire, Gen Z will need a pension of at least £3.1mn to afford a comfortable retirement. It arrived at that figure by taking the £1.4mn pot it thinks you need today and applying inflation to it for 65 years, spanning working life and 25 years of retirement, at 2 per cent a year.