Roughly 25%. That is not to say that they all succeed. The success rate is probably about one-quarter of that, at best. The success rate of most programs is very low. Alcoholics Anonymous (AA) has a success rate of about 5% at the end of one year. The program with the highest independently-evaluated success rate is the non-profit St. Jude Program. It's long-term success rate has been documented and certified at 62%.