Should You Save Enough to Live to 100?

First, you were supposed to die at 85. Then 90. Now 95 and even 100 are common defaults when financial planners tell people how much to save for retirement.

Except that's nuts.

In the U.S., the typical man at age 65 is expected to live another 18 years. The typical woman, about 20. Yet many financial planners contend we should save as if we're all going to be centenarians.

Should You Save Enough to Live to 100?