The Social Security divorced-spouse benefit is worth understanding in full because so few people realize it exists. If your marriage lasted at least 10 years, you're currently unmarried, and you're 62 or older, you can claim a benefit worth up to 50% of your ex-spouse's primary insurance amount at their full retirement age, even if your ex hasn't yet filed for their own benefit, as long as you've been divorced for at least two years. Your claim has no effect on your ex's benefit or on any benefit their current spouse might receive; Social Security calculates these independently.

If your ex-spouse dies, the same 10-year marriage generally entitles you to a divorced-spouse survivor benefit worth up to 100% of what they were receiving, similar to how a current spouse's survivor benefit works. Remarriage matters here in an asymmetric way: remarrying before age 60 generally ends your eligibility for this survivor benefit, while remarrying at 60 or later does not, a distinction that occasionally changes the timing of a second marriage for people navigating both decisions at once.

Dividing an employer-sponsored plan, a 401(k), a 403(b), or a traditional pension, requires a Qualified Domestic Relations Order, a separate legal document beyond the divorce decree that specifically instructs the plan administrator how to split the account. A QDRO has to be drafted correctly and accepted by the plan administrator before anything actually moves; a vague or improperly drafted one is a common source of delay, and in some cases results in a division that doesn't match what the divorce judgment actually intended.

IRAs work differently, and this is one of the more common points of confusion in a divorce settlement. A QDRO doesn't apply to an IRA at all; instead, the division happens through a 'transfer incident to divorce,' executed directly between custodians based on instructions in the divorce decree itself. Done correctly, as a direct trustee-to-trustee transfer, this creates no taxable event for either spouse. Done incorrectly, for example if one spouse takes a distribution and simply hands the other spouse cash instead of transferring the account, the original owner can end up owing tax (and possibly a penalty) on money they no longer have.

Arizona's community property rules set the baseline for how all of this gets negotiated in the first place. Retirement savings, real estate, and other assets accumulated during the marriage are generally treated as owned equally by both spouses regardless of whose name is on the account or the paycheck that funded it, a meaningfully different starting point than the equitable-distribution rules used in many other states.

A handful of items get missed even in otherwise well-handled divorces. Beneficiary designations on retirement accounts and life insurance policies don't update automatically just because a divorce decree says the accounts are being split, each custodian generally needs its own updated beneficiary form filed directly, and skipping this step can result in an ex-spouse inheriting an account years later despite the divorce. Health insurance coverage through a spouse's employer ends at divorce, requiring a COBRA or marketplace bridge, and estate documents, wills, powers of attorney, healthcare directives, generally need a full refresh rather than a partial edit.

Valuing a pension for division purposes is more art than most people expect. Unlike a 401(k) with a simple account balance, a defined benefit pension's present value depends on assumptions about mortality, discount rates, and the specific benefit formula, assumptions that can shift the negotiated split meaningfully depending on which numbers are used. An actuarial valuation, rather than an informal estimate from the plan's annual statement, is usually worth the cost when a pension makes up a significant share of the marital estate.

If you're navigating a divorce after 50, treat the Social Security claiming decision, the QDRO or IRA transfer mechanics, and the beneficiary designation cleanup as three separate action items, not one bundled task your attorney's office handles automatically. Divorce attorneys are generally excellent at the legal division; the follow-through on retirement account mechanics and Social Security timing often falls outside what a family law practice handles day to day.

If you're the lower-earning spouse and your marriage lasted 10 years or more, don't assume you need to wait for your ex to claim Social Security before you can. And if you're considering remarriage after a gray divorce, understand how the timing interacts with any survivor benefit you might otherwise be entitled to before finalizing the date.

• Assuming a 401(k) or pension can be divided the same way an IRA is. Employer plans require a QDRO; IRAs are split by a transfer incident to divorce with no QDRO involved.
• Taking a cash distribution from a retirement account to hand to an ex-spouse instead of executing a direct, trustee-to-trustee transfer, which triggers avoidable tax and possibly a penalty.
• Forgetting to update beneficiary designations on retirement accounts and life insurance after the divorce is final, leaving an ex-spouse as the named beneficiary years later.
• Not realizing a divorced-spouse Social Security benefit exists, or assuming it requires the ex-spouse's cooperation or awareness to claim.
• Accepting a rough, statement-based pension valuation instead of an actuarial one when the pension represents a meaningful share of the assets being divided.