A retirement portfolio composed of 75% stocks and 25% bonds, maintaining an inflation-adjusted 4% annual withdrawal, is predicted to have a 100% success rate over a 30-year period, meaning it will still contain funds.
"they looked at a portfolio with 75% stocks 25% bonds and also a 4% withdrawal rate and they also found that this type of portfolio also had 100% success rate meaning that after 30 years this type of portfolio would still have money in it"