The big reason many retirees run out of money

From MarketWatch:

Twin sisters Simone Thiot and Paulette Olivier celebrated their 104th birthday last year.

If you’re in retirement now, or approaching it, you know there are many things to consider and many decisions to be made that will be important in determining your financial well-being for the rest of your life. Among the most crucial: estimating how long you’ll live. After all, no one wants to outlive their assets… [More from MarketWatch]

KEY POINT: Many people greatly underestimate their lifespan, which can leave them underfunded for the quality of life they expect.