You can name anyone you like to be your beneficiary. When you name a beneficiary, you know that your assets will go to the person you choose -- and the assets also bypass probate. If you don't name a beneficiary, the money most likely will become part of your probate estate, and state law will determine who gets it -- which may not be the way you'd want it spent.
TL;DR (Too Long; Didn't Read)
If you're not married, you'll still want to list a beneficiary in your will. This could be anyone from a close relative to a charity that is close to your heart.
Choose a Person
You can name anyone as a beneficiary, not just a spouse: Parents, children, siblings, a special-needs niece, close friends, your unmarried partner or anyone else. If the account administrators accept it, you can also use instructions such as "whoever I'm married to at the time of my death" or "to my grandchildren equally." Usually, you can't name a minor child as a beneficiary. Instead, you name a custodian to manage the money for the child until he comes of age.
Select a Charity
When there's nobody in your life you want to name as a beneficiary, you can turn your asset into a charitable gift. Your local place of worship will certainly be happy if you donate money at your death. If there's a cause you're passionate about -- saving wildlife, helping abused spouses, feeding the poor -- naming a related group as beneficiary lets you do some good with your money.
Name an Estate
When you name your estate as the beneficiary, the payout gets rolled into your other assets and distributed according to your will. This is often what happens when there's no beneficiary named on the account.
It's an option, but not a great one: instead of going directly to a beneficiary, money in your estate has to pass through probate, which takes months in some states. If they go through probate, the assets may be used to pay your creditors, and they may be subject to estate tax. In some cases, such as if your estate acquires your IRA, your heirs must empty the account much faster than if the assets went to them directly.
Think Again
Naming a beneficiary isn't irreversible. You can always change your mind later if you get married, have children or simply get a better idea of who deserves the cash. When you don't update accounts, things may go south: If your ex-spouse is still the IRA beneficiary after the divorce, for instance, he may get the money when you die -- although laws vary among states. Reviewing beneficiary designations once a year is a good move. That way, if you forget to update the names after your life changes, you have a chance to fix the mistake.
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Writer Bio
A graduate of Oberlin College, Fraser Sherman began writing in 1981. Since then he's researched and written newspaper and magazine stories on city government, court cases, business, real estate and finance, the uses of new technologies and film history. Sherman has worked for more than a decade as a newspaper reporter, and his magazine articles have been published in "Newsweek," "Air & Space," "Backpacker" and "Boys' Life." Sherman is also the author of three film reference books, with a fourth currently under way.