How long you may live is one of retirement planning's biggest unknowns. How experts say to get the best estimate – CNBC

People images | Istock | Getty Images But the numbers are also the most elusive, and no one knows how long they will live. “No one really knows, and that uncertainty is unsettling,” said Lisa Schilling, director of practice research at the Institute of Actuaries, the research arm of the Institute of Actuaries. According to […]