The 4 Percent Rule Or The 7 Percent Rule?
Distinguishing between “safe” withdrawal rates and “optimal” withdrawal rates is an essential piece of the retirement spending conversation. I have discussed how the 4 percent rule may be too high for those focused on identifying a sustainable withdrawal rate that will not deplete the portfolio over a thirty-year period.
Pfau, Wade D. PhD, "The 4 Percent Rule Or The 7 Percent Rule?" (2017). Faculty Publications. 788.