Pension pots are facing a potential tax nightmare, with thousands of retirees at risk of being hit with a staggering 90% tax on their savings. This looming crisis is primarily due to a significant government rule change that will impact how pension funds are treated in the context of inheritance tax. From next April, most pensions will be included in the calculation of inheritance tax, potentially leading to a double tax burden for many. This development raises important questions about the future of retirement planning and the financial security of retirees. The current rules already impose income tax on pension pots when beneficiaries inherit them at ages over 75, and the new change will further complicate matters. The threshold for inheritance tax is set at £325,000, and the new rule will push many estates over this limit, resulting in a 40% tax on the excess value. The worst-case scenario involves a 91% tax rate, which would affect estates valued at £2 million or more, with a loss of the inheritance tax-free allowance on the family home. This change will disproportionately affect those with substantial pension funds and property, potentially derailing their retirement plans. The government estimates that 10,500 estates will face inheritance tax for the first time, while 38,500 will see their bills rise. The average tax bill is expected to increase by £34,000, which could have a significant impact on retirees' financial well-being. Baroness Ros Altmann, a former pensions minister, warns that the policy will affect all estates, especially with the rise of workplace auto-enrolment pensions. She highlights the complexity it will add to the pension market and the challenges in administering wills. However, Sarah Coles, head of personal finance at AJ Bell, advises against panic, noting that couples can leave £1 million before paying any inheritance tax. This perspective offers a glimmer of hope, suggesting that while the rule change is significant, it may not be as devastating as initially feared for most retirees.