‘Magic number’ needed for retirement jumps by 15% in the US The IndependentHow much money will we need in retirement? Americans’ answer keeps growing. Yahoo FinanceRetirement ‘magic number’ jumps as Americans grow anxious about their financial futures FOX 13 Tampa BayWhat it takes to retire comfortably in America: Nearly $1.5 million, Northwestern Mutual says FortuneFidelity says $1 million won’t save your retirement thestreet.com