Stress-testing your retirement plan is essential to ensure your $1-5 million nest egg withstands unexpected challenges such as market downturns, rising healthcare costs, or living longer than expected. Without preparation, even well-funded plans can falter, leaving you vulnerable to running out of money.
Key Steps to Get Started:
- Gather your financial data: Include investment accounts, Social Security benefits, pensions, spending habits, and major planned expenses.
- Build a cash flow projection: Create a year-by-year estimate of income and expenses, factoring in inflation (e.g., 3% for living costs, 6% for healthcare).
- Test key risks: Use tools like scenario testing (e.g., market crashes) and Monte Carlo simulations (thousands of outcomes) to evaluate your plan's resilience.
- Address vulnerabilities: Adjust withdrawal rates, rebalance your portfolio, delay Social Security, or explore strategies like Roth conversions to strengthen your plan.
- Review regularly: Conduct stress tests every other year or after major life events to keep your plan aligned with changing conditions.
Setting Your Retirement Baseline
To effectively plan for retirement, start by compiling your current financial data. This data serves as the foundation for testing various scenarios and preparing for potential challenges.
Collect Your Financial Data
Begin by gathering details about your investment accounts, Social Security benefits, pensions, annual spending habits, planned retirement age, and any additional assets or liabilities.
Document the balances of all your retirement accounts – 401(k)s, IRAs, Roth IRAs, and taxable brokerage accounts. For instance, if you have $2,300,000 spread across multiple accounts, know the exact amount in each account. A traditional IRA with $800,000 will have different tax rules and withdrawal requirements compared to a Roth IRA of the same size, so understanding these differences is crucial.
For Social Security, visit ssa.gov to get an estimate of your benefits at various claiming ages. For example, you might see monthly payments of $2,400 at age 62, $3,200 at full retirement age (67), or $3,968 if you wait until age 70. Annually, that translates to $38,400, $38,400, or $47,616, depending on when you claim.
If you have a pension, gather information on the monthly payment amount, cost-of-living adjustments, survivor benefits, and the age at which payments begin. A pension offering $4,500 per month with a 2% annual increase provides different financial security than a fixed payment plan.
Next, review your past one or two years of bank and credit card statements to calculate your actual annual spending. Many retirees with $1-5M in assets spend between $80,000 and $200,000 annually. Be realistic about what you truly spend, not what you think you should spend.
Identify your planned retirement age or, if already retired, the date you stopped working. Retiring at 62 instead of 67, for example, means fewer Social Security credits and more years of portfolio withdrawals.
Don’t forget to include real estate equity, outstanding debts, inheritances, or planned purchases. A $150,000 mortgage or a $400,000 vacation home purchase can significantly affect your financial baseline.
With all this data in hand, you can create a detailed, year-by-year cash flow projection to guide your planning, but as you’ll see, this can become complex quickly; for most people, engaging an experienced financial advisor will significantly simplify the project and increase the accuracy of the results. The best advisor for the job is one who is 100% objective, fee-only, and a fiduciary.
Create a Year-by-Year Cash Flow Projection
Turn your financial data into a clear picture of how money will flow in and out during retirement. This step transforms static numbers into a dynamic roadmap.
Start by dividing your expenses into two categories: fixed costs (like housing, utilities, and insurance) and discretionary spending (such as travel, dining, and gifts). For example, if you pay $8,000 annually in property taxes and $2,400 for homeowners insurance, your fixed housing costs total $10,400. On the discretionary side, you might allocate $25,000 for vacations and $15,000 for gifts, which can be adjusted if needed.
"Nearly 6 in 10 retirees say that differentiating between fixed and variable expenses helps them maintain financial stability during unexpected challenges." – EBRI [1]
Build your cash flow projection year by year, starting with your first year of retirement and extending to age 95 or even 100. List all expected income sources and amounts for each year. For instance, in year one, you might have $40,000 from Social Security, nothing from pensions, and require $80,000 in portfolio withdrawals to cover $120,000 in total expenses.
Apply different inflation rates to your expense categories. General living costs might rise by 3% annually, while healthcare expenses typically increase 5–6% per year. For example, healthcare premiums of $12,000 today could grow to $21,500 in 10 years with 6% inflation. Social Security usually adjusts for inflation at a rate of 2–3% annually, while your portfolio withdrawals must also grow to maintain purchasing power – $80,000 in withdrawals today could become $107,500 in 10 years with 3% inflation.
Factor in major one-time expenses, such as replacing a car in year 5 ($45,000), remodeling your kitchen in year 8 ($60,000), or taking an anniversary trip in year 10 ($20,000). These large expenses can significantly affect your withdrawal needs in certain years.
This detailed baseline projection serves as the foundation for stress-testing your retirement plan. As you test for risks, you can refine this projection to account for unexpected changes in income or expenses.
Selecting Stress Test Methods
Once your cash flow projection is ready, the next step is to choose a method to identify potential weaknesses in your retirement plan.
Scenario Testing vs. Monte Carlo Simulations
Scenario testing focuses on specific “what if” situations to see how your plan holds up under particular stressors. For instance, you could examine the effects of a steep market drop early in retirement or evaluate how rising healthcare or living costs might impact your finances. This method is ideal for isolating the impact of a single risk factor, such as a market downturn, when you stop working.
On the other hand, Monte Carlo simulations take a broader approach. These simulations run thousands of potential outcomes based on random variations in factors like market returns and inflation rates. The result? A detailed analysis of the likelihood that your plan will succeed under a wide range of possible futures.
If you’re looking to understand the impact of one specific risk, scenario testing is your go-to method. But if you want a more comprehensive view that accounts for multiple variables interacting, Monte Carlo simulations are the better choice. Many retirees find value in using both approaches – scenario testing to pinpoint individual risks and Monte Carlo simulations to see how those risks combine. Together, these methods offer a clearer picture of where your plan stands and what adjustments might be needed.
Working with Professional Tools and Advisors
Taking these methods a step further, professional tools and expertise can refine your analysis. While basic retirement calculators provide rough estimates, more detailed stress testing requires advanced software and guidance. Financial advisors often rely on sophisticated tools designed to model real-world scenarios. These tools account for factors like U.S. tax laws, Social Security rules, and Required Minimum Distribution (RMD) requirements, offering a more nuanced view of your retirement outlook.
For example, advanced software can analyze different retirement withdrawal strategies and run Monte Carlo simulations to uncover hidden risks. Advisors can also help fine-tune your tax strategy, whether that involves exploring Roth conversions or managing RMDs to avoid unexpected tax hits. Additionally, they can help you maximize Social Security claiming strategies to ensure your decision aligns with your overall financial goals.
These tools go beyond the basics, modeling scenarios like changes in retirement age, shifting housing costs, or long-term care expenses. They factor in tax implications, inflation adjustments, and portfolio rebalancing – details that simpler calculators often overlook.
When choosing an advisor, prioritize fee-only fiduciary professionals who are 100% objective, transparent, and committed to acting in your best interest. An objective advisor is going to use the right software – the type that reflects their commitment to objectivity, not just one that delivers a great sales presentation. If the advisor is truly objective, you know that the assumptions behind the projections are realistic, and it can be used to reliably provide detailed stress-test reports that combine scenario testing and Monte Carlo simulations. These insights will help you make the adjustments needed to keep your retirement plan on track.
Testing Major Retirement Risks
Once you’ve chosen your stress-test methods, the next step is to evaluate the major risks that could derail your retirement plan. The objective is to uncover weak spots before they lead to real issues. Each risk category requires specific tests to determine how your plan would perform under pressure.
Market Volatility and Sequence-of-Returns Risk
The timing of market downturns can have a huge impact on your retirement savings. For example, if the market drops 30% during your third year of retirement, and you’re making regular withdrawals, the damage to your portfolio could be significant. This is called sequence-of-returns risk – the danger that poor early returns in retirement could permanently weaken your portfolio’s ability to recover.
To assess this risk, simulate a 25–30% equity loss during your withdrawal years. For a $2 million portfolio with 60% in stocks, this could mean a loss of $300,000 to $360,000 – right when you need that money the most.
Run this scenario alongside your planned withdrawal rate, such as 4% annually (or $80,000 from a $2 million portfolio). Track the portfolio’s balance over the next few decades. Would the combination of early losses and regular withdrawals jeopardize its long-term sustainability?
Also, test various downturn scenarios. For example, model a crisis similar to 2008 or a prolonged bear market with flat or negative returns for three years. These exercises will show how different market conditions could affect the longevity of your retirement plan.
Longevity Risk
Living longer than expected can also strain your retirement savings. For a 65-year-old couple, there’s about a 50% chance that one spouse will live past 90 and a 25% chance one will reach 95. If you’re in good health or have a family history of longevity, your odds may be even higher.
Extend your financial model to ages 95 or even 100. If you’re spending $100,000 annually, planning for an additional 10 to 15 years could require an extra $1 million to $1.5 million. Examine whether your portfolio can maintain a comfortable cushion in these later years or if it dwindles to concerning levels.
Don’t forget to account for the financial impact of losing a spouse. Household expenses often don’t drop by 50% – costs like housing and utilities remain largely the same. Social Security benefits will adjust to the higher of the two individual amounts, but your tax status may change from married filing jointly to single, potentially increasing your tax burden on the same income.
Inflation and Healthcare Cost Scenarios
Inflation gradually reduces your purchasing power, but healthcare costs have historically risen even faster. While general living expenses might grow at around 3% annually, medical costs – including Medicare premiums and prescription drugs – can increase by 5% to 7% per year.
Model two inflation scenarios: 3% for general expenses and 6% for healthcare. For instance, if a retiree spends $30,000 annually on healthcare at age 65, that could balloon to $96,000 by age 85 with 6% inflation, compared to $54,000 with a 3% rate – a significant difference.
Keep in mind that Original Medicare (Parts A and B) covers about 80% of outpatient services after meeting the deductible (set at $240 in 2025). Without an out-of-pocket maximum, you’d still owe 20% of costs. For example, a $100,000 hospital stay could mean a $20,000 bill.
When stress-testing, include Medicare premiums, Medigap or Medicare Advantage plans, prescription drug coverage (Part D), and other out-of-pocket costs. In 2025, standard Part B premiums are approximately $185 per month, but high-income retirees could pay $259 or more due to IRMAA surcharges. Also, remember to factor in dental, vision, and hearing care, which aren’t covered by Medicare. These could add $5,000 to $10,000 annually per person, and with a 6% to 7% inflation rate, these costs could escalate quickly.
Spending and Income Disruptions
Retirement doesn’t always follow a predictable path. Unexpected expenses – like a $150,000 home renovation, a $50,000 roof replacement, or $75,000 in family support – can arise at any time. If these occur early in retirement, they can have a more lasting impact since withdrawals in the early years leave less time for your portfolio to recover.
Income disruptions are another factor to consider. For instance, if you delay claiming Social Security from age 67 to 70, you’ll need to rely entirely on your portfolio for income during those years. For an average earner, this could mean covering $90,000 to $120,000 in income from savings. Test whether your plan can handle this gap.
If you’re relying on a pension, evaluate its stability. Many private pensions don’t include cost-of-living adjustments, meaning their purchasing power declines over time. A fixed $30,000 annual pension could lose about 45% of its value over 20 years with 3% inflation. Run scenarios where your pension income is reduced or eliminated to see if your portfolio can absorb the shortfall.
Each of these tests highlights specific vulnerabilities in your retirement plan. A strategy that withstands market volatility might falter under longevity pressures, while one that accounts for inflation could still struggle with unexpected spending shocks. These simulations provide the insights needed to refine your plan, which we will explore in the next section.
Reading Results and Improving Your Plan
Interpreting your stress test results is crucial for identifying areas of your financial plan that may need adjustment. Here again, an objective fiduciary advisor will provide the most honest and accurate interpretation. Once you’ve reviewed the results, the next step is understanding what those success rates mean for your overall strategy and how to refine your plan accordingly.
Understanding ‘Pass’ or ‘Fail’ Results
Stress test results typically appear as a success probability or confidence score, often derived from Monte Carlo simulations.
A “pass” generally indicates a success rate of 75% to 95%. For instance, if your plan shows an 85% success rate, it means that in 850 out of 1,000 simulated scenarios, your retirement funds lasted through the end of the period. On the flip side, a lower score – like 60% – indicates that your plan may struggle to hold up under varying conditions. However, these results aren’t absolute. A 70% score doesn’t spell certain failure, but it does signal the need for closer scrutiny and potential adjustments.
Another useful metric is the Goal Completion percentage, which shows how much of your target you could still achieve, even in scenarios where the plan falls short.
Your target success rate will depend on your individual circumstances. If you have flexibility in your spending, a 75% rate might be acceptable. But if you have fixed obligations – like ongoing medical expenses or supporting family members – you may want to aim for a higher success rate, such as 90% or more.
It’s important to remember that the accuracy of these results hinges on the assumptions in your model. For example, if you estimate inflation at 3% but actual inflation rises higher, the outcomes will deviate from your projections. This highlights the need for regular updates and retesting as conditions evolve, helping you address vulnerabilities in your plan.
Making Plan Adjustments
After assessing your plan’s performance, you can make targeted changes to strengthen it. These adjustments can significantly impact your financial security during retirement.
- Lower your annual withdrawal rate.
If your stress tests reveal shortfalls, consider trimming discretionary expenses like vacations or entertainment. This helps preserve funds during market downturns, while fixed costs like housing and healthcare remain steady. - Rebalance your portfolio.
To manage sequence-of-returns risk, younger investors with overly conservative portfolios might increase their equity exposure to seek higher returns. Meanwhile, those nearing retirement may shift some assets into bonds to provide greater stability. Many retirees also keep 6 to 18 months of fixed expenses in cash reserves to weather market dips. - Delay Social Security benefits.
Waiting to claim Social Security increases your benefits by 8% for each year you delay after full retirement age (66 or 67) until age 70. Couples might consider having the lower earner claim earlier to cover immediate needs, while the higher earner delays to maximize survivor benefits. - Convert traditional accounts to Roth IRAs.
Moving funds from traditional IRAs or 401(k)s into Roth IRAs can reduce future tax burdens and limit the impact of Required Minimum Distributions (RMDs). Strategic Roth conversions during lower-income years can help you avoid higher tax brackets and increased Medicare premiums later. - Boost your savings rate.
If you’re still working, increasing contributions to your 401(k) or taxable accounts can strengthen your portfolio. Make sure to take full advantage of any employer match programs. - Postpone retirement.
Extending your career, even by a year, gives your investments more time to grow and reduces the number of years you’ll need to draw from your savings. - Build up cash reserves.
Holding enough cash to cover 6 to 18 months of fixed expenses can act as a buffer during market downturns, allowing you to avoid selling investments at unfavorable times.
Each of these strategies addresses specific risks that your stress tests may reveal. For instance, if your plan is vulnerable to longevity risk, delaying Social Security or cutting discretionary spending can help. If market volatility is a concern, diversifying your portfolio and increasing cash reserves might provide the stability you need. The ultimate goal is to raise your success probability to a level that matches your comfort with risk, giving you greater confidence in your plan.
Creating a Stress-Testing Schedule
Keeping your retirement plan on track means staying prepared for whatever life throws your way. Regular stress tests ensure your plan remains responsive to shifting conditions. Markets fluctuate, tax laws evolve, and your personal circumstances change. By setting up a consistent stress-testing schedule, you can identify potential problems early and address them before they jeopardize your financial future.
Annual Reviews and Life Event Triggers
Make it a habit to conduct a comprehensive stress test every other year, even when things seem steady.
This regular checkup allows you to adjust for gradual shifts in market trends, inflation, and spending habits that can add up over time.
However, certain life events call for immediate action. Major milestones like marriage, divorce, career changes, significant purchases, or health concerns demand a fresh stress test. Scott Sommers, one of the principals at First Financial Consulting, explains:
"Major life changes, even ones for the better, represent significant stress points when it comes to the longevity of your savings."
Unexpected challenges, such as a sharp market downturn just before or early in retirement, can expose your plan to sequence-of-returns risk. Similarly, inflation spikes can erode your purchasing power, while changes to tax policies, Social Security benefits, or Medicare premiums may alter your financial outlook. Regular reviews help you adapt to these shifts and keep your portfolio ready to weather future uncertainties.
For added peace of mind, consider pairing these reviews with professional oversight to ensure continuous monitoring of your financial health.
Continuous Monitoring with Professional Support
While routine reviews and event-triggered stress tests are essential, working with a fee-only fiduciary can provide an extra layer of protection. Objective and experienced professionals bring specialized tools and expertise to the table, offering ongoing oversight. Regular check-ins – whether quarterly or semi-annually – allow you to refine your plan’s assumptions and stay aligned with your retirement goals.
Stress testing isn’t a one-and-done task. By sticking to a regular review schedule, responding quickly to life’s curveballs, and enlisting professional support, you create a strong, adaptable framework. This proactive approach ensures your retirement plan remains resilient and ready for whatever challenges lie ahead.
Conclusion: Protecting Your Retirement with Stress-Testing
Stress-testing your retirement plan isn’t about predicting the future – it’s about being ready for it. If you’ve built a nest egg of $1–5 million, you’ve likely put in years of effort to secure your financial future. Regular stress tests serve as a safeguard, identifying potential weaknesses in your plan before they become major problems. Challenges like market downturns, increasing healthcare expenses, or unexpected spending are bound to arise. The key question is whether your plan is prepared to handle them.
The process begins by establishing a solid foundation. Begin by gathering your financial data and creating realistic, year-by-year cash flow projections. From there, you can simulate how your plan holds up against specific risks – such as sharp market declines, longer-than-expected lifespans, or unforeseen expenses. These tests provide valuable insights into how your portfolio performs under pressure and highlight areas that may need adjustment. These adjustments could involve tweaking your withdrawal rates, revisiting your asset allocation, or introducing more flexibility into your spending habits. Over time, these insights make regular reviews a natural next step.
Stress-testing isn’t something you do once and forget. It requires regular check-ins to ensure your plan evolves with changing circumstances. Annual reviews help capture gradual shifts and keep your strategy on track.
For added support, consider working with a 100% objective, fee-only fiduciary financial advisor. At First Financial Consulting, we offer personalized strategies and tools to strengthen your retirement plan, making it more resilient to unexpected challenges. This guidance turns stress-testing from an occasional task into an ongoing process, ensuring your plan stays adaptable and ready for whatever comes your way. Use the link below to schedule a complimentary retirement stress test today.
Greg Welborn is a Principal at First Financial Consulting. He has more than 35 years’ experience in providing 100% objective advice, always focusing on the client’s best interests.
Greg Welborn is a Principal at First Financial Consulting. He has more than 35 years’ experience in providing 100% objective advice, always focusing on the client’s best interests.
