The Major Retirement Planning Contingency Most People Overlook

Retirement is supposed to be a season of ease. Mortgages shrink, commutes disappear, and the focus shifts from building wealth to enjoying it. But there's a risk many people quietly sidestep when mapping out their future: divorce. Even couples who have been married for decades can find that retirement changes the rhythm of their relationship in ways they didn't expect.

And that can shake the foundation of a carefully built retirement plan.

Gray divorce is more common than many realize

Divorce among adults age 50 and older, often called "gray divorce," has become significantly more common over the past few decades. Research from Bowling Green State University's National Center for Family & Marriage Research has shown that the divorce rate for adults 50+ roughly doubled between 1990 and 2010, and it remains elevated compared to earlier generations.

For retirees, that means divorce isn't a rare, fringe event. It's a realistic possibility, and one that often goes unaddressed in financial planning conversations.

Two households cost more than one

One of the most immediate financial impacts of divorce is simple math: one household becomes two.

Expenses that were once shared, like housing and utilities, now have to be covered separately. This can increase monthly fixed costs, reducing discretionary income and accelerating withdrawals from savings.

In retirement, income is often fixed or semi-fixed. There may not be the flexibility to "earn more" to offset higher costs. That constraint can make the financial impact more pronounced than it would be earlier in life.

Retirement accounts may be split

For many couples, retirement accounts represent a large pool os assets. In a divorce, these accounts are typically subject to division under state law.

This can include:

• 401(k)s
• IRAs
• Pensions
• Military or government retirement benefits

Qualified Domestic Relations Orders may be used to divide employer-sponsored plans, but when handled properly, the result is often a smaller nest egg for both parties. That reduction can alter projected withdrawal rates and long-term sustainability.

Social Security benefits can get complicated

Social Security adds another layer of complexity. If a marriage lasted at least 10 years, a divorced spouse may be eligible to claim benefits on their ex-spouse's earnings record.

However, claiming strategies can shift after divorce, and survivor rules differ from spousal benefits. Remarriage can also impact eligibility.

Missteps in timing or misunderstanding eligibility rules can reduce lifetime benefits. Consulting with a financial advisor or reviewing guidance from the Social Security Administration can help clarify options.

Health care costs may rise

Health care is already one of the largest expenses in retirement. Divorce can increase that burden.

If one spouse relied on the other's retiree health benefits or supplemental insurance plan, they may need to secure coverage independently. That could mean higher premiums and changes in Medicare supplement plans.

Even modest increases in health care costs can strain a retirement budget, especially over decades.

Housing decisions become urgent

In many gray divorces, the marital home is one of the biggest assets, and one of the hardest to untangle emotionally.

Options typically include selling the home and splitting the proceeds or one spouse buying out the other. Each path carries financial trade-offs. Selling may free up equity, but it also eliminates a stable housing situation. Keeping the home could preserve familiarity, but strain cash flow due to maintenance, taxes, and insurance.

Taxes may change in unexpected ways

Filing status changes after divorce. This can alter income tax brackets, deductions, credits, and capital gains exclusions.

For example, married couples may exclude up to $500,000 in capital gains on the sale of a primary residence if certain criteria are met, while single filers are generally limited to $250,000. A poorly timed home sale could lead to avoidable tax consequences.

Tax planning often becomes more important after a divorce.

Longevity risk increases

Retirement planning often assumes shared expenses and shared longevity. Divorce can amplify what planners call "longevity risk," the possibility of outliving your savings.

When assets are divided, and expenses rise, each individual must ensure their portion of savings can last for 20 to 30 years (or more) of retirement. A strategy that once worked for two people may no longer be viable for one.

It may require adjusting withdrawal rates or reconsidering part-time work.

Planning for the possibility (without assuming the worst)

No one enters retirement expecting their marriage to end. But acknowledging that it could happen allows for more resilient planning.

That may include:

• Keeping some retirement assets in individual accounts
• Maintaining up-to-date beneficiary designations
• Understanding how assets are titled
• Running "what-if" scenarios with a planner

Planning for contingencies means recognizing that life can change and building flexibility into your financial strategy.

Bottom line

Divorce later in life is more common than many retirees expect, and it can significantly reshape long-term finances. Splitting assets, increasing living expenses, and adjusting Social Security and healthcare coverage could all reduce the margin for error in retirement.

After a divorce, you'll likely need to update beneficiary designations on retirement accounts and life insurance policies. Taking time to revisit these documents can help you set yourself up for retirement with fewer unintended surprises.

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