Safe Withdrawal Rates for Every Investment Horizon, From 3 to 50 YearsThis article draws heavily on Bill Bengen’s new groundbreaking safe withdrawal rate research and references his latest updates. Bill was kind enough to review the article and his insights are included. Bill is widely recognized as the originator of the “4% rule” and nearly every academic paper, financial-planning article, and media piece on retirement withdrawal rates references his work. Bill now unveils his updated safe withdrawal rate ...