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. Related Content Insurance Needs Assessment: For Empty Nesters and Retirees Do your insurance needs stay the same when the nest empties? When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.