Forget the 4% Rule: Rethinking Common Retirement Beliefs
Wade D. Pfau
When saving for retirement, calculate your “number”—the amount you’ll need without running a big risk of depleting your savings. When in retirement, spend no more than 4% of your initial balance, adjusted annually for inflation.
Tergesen, Anne, "Forget the 4% Rule: Rethinking Common Retirement Beliefs" (2018). In the News. 2651.