Source: The Economist, via Greg Mankiw.
Americans, as well as citizens of many other advanced nations, now spend about twice as many years in retirement as they did a generation or two ago. Aggressive saving and adherence to a well-thought-out investment plan are more important today than they have ever been. It is a big mistake for today’s 65-year olds to no longer consider themselves to be “long-term investors.”
[...] Save more. You’re going to need it, because you are probably going to live a lot longer than you think. You’ve seen all of the statistics about how little Americans have saved or stashed into [...]