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The short answer is "absolutely," for most retired couples.
At a traditional 4% withdrawal rate, that portfolio could support $200,000 per year in retirement income. Add Social Security on top of that, and many couples would be drawing $220,000 to $260,000 or more annually, enough to fund most retirement lifestyles in most areas of the country.
Whether $5 million is enough depends less on the number and more on the details behind it: how much you plan to spend, how your accounts are structured, what you will pay in taxes, how you handle healthcare costs, when you claim Social Security, and what kind of investment return assumptions are reasonable to plan around.
This article works through all of it.
The real question is what your portfolio needs to produce each year after your paycheck stops.
Most financial planners use annual spending as the foundation of a retirement income plan. Everything else: withdrawal strategy, account sequencing, Social Security timing, tax planning — flows from understanding that number.
For a couple retiring in San Diego at 65, annual spending might look something like this:
Essential expenses:
- Housing (mortgage or rent, property tax, insurance, maintenance): $30,000 to $60,000
- Food and groceries: $15,000 to $24,000
- Utilities and transportation: $12,000 to $18,000
- Healthcare premiums and out-of-pocket costs: $18,000 to $36,000
Discretionary expenses:
- Travel: $15,000 to $40,000
- Dining, entertainment, hobbies: $12,000 to $24,000
- Charitable giving and family gifts: $10,000 to $30,000
- Home improvements and irregular expenses: $8,000 to $20,000
A reasonable range for a comfortable retirement in San Diego lands somewhere between $150,000 and $250,000 per year for a couple. A more modest lifestyle might come in under $120,000. A luxury lifestyle with significant travel or family support might require $300,000 or more.
Let us run the math across a few withdrawal scenarios to get a concrete sense of what $5 million can sustain.
- At a 3.5% withdrawal rate: $175,000 per year. This is a very conservative starting point that gives the portfolio significant room to absorb market downturns, inflation, and sequence-of-returns risk. For most 65-year-old couples, a 3.5% withdrawal rate has historically been sustainable well beyond a 30-year retirement. In fact, there will likely be significant assets remaining in your portfolio at your death.
- At a 4% withdrawal rate: $200,000 per year. This is the most referenced guideline, based on William Bengen's original research. Bengen has since updated his work. In his 2025 book, he calculated a sustainable rate of approximately 4.7% for a more diversified portfolio including small-cap and international equities. At 4%, a $5 million portfolio has historically lasted 30 years or longer in most historical market environments.
- At a 5% withdrawal rate: $250,000 per year. This is more aggressive for a 30-year retirement but may be appropriate if the couple has significant guaranteed income from Social Security reducing the net draw on the portfolio, if they are comfortable adjusting spending modestly in down market years, or if legacy goals (what’s left for your heirs) are modest.
Key point: These withdrawal amounts represent what the portfolio needs to produce on top of other income sources. Social Security, a pension, rental income, or part-time consulting all reduce the portfolio draw and that reduction has a compounding effect on how long the portfolio lasts.
A couple where both spouses have reasonable earnings histories and delay Social Security to age 70 could be receiving $6,000 to $8,500 per month combined, or $72,000 to $102,000 per year, in guaranteed, inflation-adjusted income that requires nothing from the portfolio.
If a couple needs $200,000 per year to fund their lifestyle and receives $90,000 from Social Security, their portfolio only needs to produce $110,000. That is a 2.2% withdrawal rate on a $5 million portfolio, a level of draw that is essentially resilient under any reasonable historical scenario.
This is why Social Security claiming strategy and retirement income planning belong in the same planning structure. Every dollar of guaranteed income from Social Security is a dollar the portfolio does not need to produce. And because the portfolio does not need to produce it, the portfolio has more room to grow, more resilience to market downturns, and more capacity to fund the higher-spending years when health and energy are at their peak.
Two couples can each have $5 million and have very different retirement income situations depending on how that money is structured.
- Couple A: $4 million in Traditional IRA and 401(k) accounts, $800,000 in taxable brokerage, $200,000 in Roth IRA. Nearly all withdrawals taxed as ordinary income. At $200,000 in portfolio withdrawals plus $80,000 in Social Security, federal and California state taxes could run $50,000 to $65,000 per year or more. RMDs beginning at age 73 push income up further, potentially triggering IRMAA surcharges on Medicare premiums.
- Couple B: $2 million in Traditional IRA and 401(k), $1.5 million in taxable brokerage, $1.5 million in Roth IRA. Far more flexibility. Draw from the Roth IRA tax-free, harvest capital gains from the taxable account at lower rates, and manage pre-tax withdrawals to stay below IRMAA thresholds and minimize Social Security taxation.
The same $5 million produces meaningfully different after-tax income depending on how the accounts are structured. This is why account structure and tax planning are not separate conversations from portfolio size.
For retirees with $5 million, taxes are one of the most significant expenses in retirement and one of the most controllable with proper planning. In California, a couple drawing $200,000 from a Traditional IRA pays federal income tax at a marginal rate of 22% to 24%, plus California state income tax at 8% to 9.3%. The combined tax bill could easily run $50,000 to $65,000 per year.
Several strategies can meaningfully reduce this:
- Roth conversions in the early retirement years. For couples who retire before Required Minimum Distributions begin at age 73, the years between retirement and 73 are often a window of relatively lower income. Converting pre-tax IRA funds to Roth during this window, filling up the 22% or 24% bracket intentionally, reduces the future RMD burden and builds a tax-free asset.
- Qualified Charitable Distributions. For retirees who give to charity, QCDs allow up to $111,000 per year (2026 limit) to go directly from a Traditional IRA to a qualified charity, satisfying RMD requirements without the distribution appearing as taxable income. For a couple, this can shelter up to $222,000 in required distributions from taxation.
- Capital gains management. Long-term capital gains from a taxable brokerage account are taxed at 0%, 15%, or 20% federally, substantially lower than ordinary income rates. Strategic placement of investments across account types and careful management of which accounts are drawn from each year can meaningfully shift the tax character of retirement income.
- IRMAA management. Medicare Part B and Part D premiums are income-tested through IRMAA. In 2026, a couple with income above $218,000 pays meaningfully more than a couple at $217,000. Managing income to stay below specific thresholds can save thousands per year in healthcare costs — assessed two years after the income is earned, creating a forward-looking planning opportunity.
At 65, most retirees are eligible for Medicare. But Medicare is not free, and it is not comprehensive. A typical couple on Medicare in 2026 might pay:
- Medicare Part B premiums: approximately $406 per month combined at the standard rate, or significantly more under IRMAA
- Medicare Part D premiums: $30 to $80 per month per person
- Medigap or Medicare Advantage supplement: $200 to $600 per month per person
- Out-of-pocket costs for dental, vision, and hearing: not covered by Medicare; can run $2,000 to $8,000 per year
Total annual healthcare costs for a couple with standard Medicare coverage often run $18,000 to $36,000 per year before any significant medical events. This number should be explicitly budgeted.
The larger risk is long-term care. The average cost of a private room in a skilled nursing facility now exceeds $100,000 per year. Assisted living runs $50,000 to $70,000. In-home care for 44 hours per week can cost $60,000 to $80,000 annually. Approximately 70% of people over 65 will need some form of long-term care during their lifetime. A $5 million portfolio is likely large enough to self-fund long-term care for one or both spouses without catastrophic impact — but it is worth planning for.
A couple spending $180,000 per year today at 3% annual inflation will need approximately $325,000 per year in 20 years to maintain the same purchasing power. An income plan that works in 2026 needs to be built to grow alongside inflation, not to assume that today's spending in today's dollars is a fixed target.
Social Security provides built-in inflation protection through annual cost-of-living adjustments. A well-constructed investment portfolio, tilted toward diversified equities rather than heavy fixed income, also provides real return potential that keeps pace with and exceeds inflation over long periods.
The retirees who feel the pain of inflation most acutely are those who moved too conservatively at retirement, holding heavy cash or fixed income that does not keep up with rising costs, while drawing down at a rate that exceeds portfolio growth.
Research by David Blanchett, published in the Journal of Financial Planning, documented the retirement spending smile. Spending is highest in the early years of retirement when health and energy are at their peak. It declines naturally through the 70s as the pace of life slows. Then it rises again in the final chapter, driven by healthcare and long-term care costs rather than lifestyle choices.
For a couple retiring at 65 with $5 million, the Go-Go years (roughly 65 to 75) are when the money matters most for lifestyle. Travel, experiences, family, adventures. These are also the years when the portfolio is at its largest and most capable of supporting higher spending. A retirement plan that budgets more generously in these years and builds in the expectation of declining lifestyle spending in the 70s is more realistic, and often more satisfying, than a flat projection that inadvertently underspends in the years when it matters most.
David and Susan are both 65, recently retired, and live in the greater San Diego area. Their combined portfolio is $5 million: $3 million in Traditional IRAs from 401(k) rollovers, $1.2 million in a taxable brokerage account, and $800,000 in Roth IRAs.
Their annual spending goal is $200,000, which covers housing, travel, healthcare premiums, dining, charitable giving, and family gifts.
David's Social Security benefit at 70 will be approximately $3,800 per month. Susan's will be $2,600 per month. If both delay to 70, their combined Social Security income starting in five years will be approximately $76,800 per year.
From ages 65 to 70, their portfolio needs to produce the full $200,000 per year, a 4% withdrawal rate, well within historical sustainability ranges for a 5-year period.
From age 70 onward, their portfolio needs to produce only $123,200 per year, a 2.5% withdrawal rate on what remains of the $5 million after five years of 4% withdrawals and market growth.
At a 2.5% net withdrawal rate with a diversified portfolio generating 6% to 7% real returns before withdrawals, their portfolio is not declining. It is likely growing.
The real risk: In this scenario, David and Susan are not at risk of running out of money at 65 with $5 million. They are at risk of running out of time to enjoy it.
- Sequence of returns risk. A severe market decline in the first three to five years of retirement can permanently impair long-term sustainability. A 40% market drop in year two, combined with continued withdrawals, means selling significantly more shares at depressed prices than the plan assumed. Maintaining one to two years of planned withdrawals in cash or short-term fixed income creates a buffer that reduces this risk substantially.
- Tax law changes. Current tax rates are not guaranteed to persist. Planning around multiple tax scenarios, not just current law, is prudent for any family with $5 million.
- Healthcare surprise. A significant medical event, an early-onset chronic illness, or an extended long-term care need can consume more than anticipated. These events do not typically threaten a $5 million portfolio catastrophically, but they can meaningfully alter the spending picture and require plan adjustments.
- Overspending in the Go-Go years. A $5 million portfolio can support generous spending. It cannot support unlimited spending indefinitely. Couples who significantly exceed their planned withdrawal rate in the early years, particularly before Social Security begins, can erode the cushion that makes the later years comfortable.
For most couples retiring at 65 with $5 million, the question is not whether the money will last. It is whether the plan behind the money is optimized well enough to produce the maximum possible after-tax income, minimize the tax drag, and give the couple genuine confidence to spend freely in the years when spending matters most.
A $5 million portfolio, thoughtfully managed, can support $175,000 to $250,000 per year in portfolio withdrawals, depending on desired spending level and risk tolerance, plus Social Security income that further reduces the net portfolio draw beginning at 67 to 70, in a tax structure that minimizes ordinary income through Roth conversions, capital gains management, and QCDs, across a 30-year retirement that accounts for the spending curve, inflation, and healthcare costs explicitly.
The families who navigate this well are not necessarily the ones with the most money. They are the ones with the clearest plan.
Disclosure: This article is for informational purposes only and does not constitute personalized financial, tax, or legal advice. All investing involves risk. Hypothetical examples are for illustrative purposes only and do not represent actual client results. Tax laws are subject to change. Please consult a qualified financial advisor for guidance specific to your situation. Arcadia Private Wealth LLC is a Registered Investment Advisor.
Grant Webster, CFP®, TPCP®
Founder, Wealth Advisor