What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.