The Importance of Having a Sustainable Long-Term Retirement

The Trinity study looked at what is a sustainable long-term withdrawal rate over a 30-year retirement. It found that except for the very most conservative portfolios in those moderately aggressive to moderately conservative portfolios, you would have had greater than a 75% probability of making it to the end of retirement without running out of money. But then when they went back to go,. look, okay, what if we did this study, instead of looking at a 30.-year retirement window, what happens if we stretch it out to 50 years? Well then even more of the conservative portfolios don't quite get you to that 75%. You either have to remain risk on or decrease your withdrawal rate.