The Income Floor What Your Essential Expenses Should Never Depend On
Here is a useful exercise. Write down your monthly essential expenses — housing, utilities, food, healthcare, and insurance. Now consider how those bills would get paid in a year your portfolio dropped 25%.
Most people, when they actually run that number, find the situation more uncomfortable than expected. Not because they are financially careless. Because no one helped them separate what is essential from what is adjustable.
That separation is the foundation of a sound retirement income plan.
Vanguard’s new framework puts this plainly: essential expenses should be anchored to guaranteed income sources — Social Security, pensions, and income annuities — rather than left to the portfolio.¹ The logic is direct. Markets can have bad years. Grocery bills, mortgage payments, and prescription copays do not pause while they recover.
Social Security timing is the most powerful lever most retirees have for raising that guaranteed floor. Every year a retiree waits beyond their full retirement age — up to age 70 — adds roughly 8% to the monthly benefit.¹ For a married couple, the higher earner’s claiming decision determines survivor income for the rest of both lives. A New Hampshire retiree with a projected $2,400 monthly benefit at full retirement age will receive approximately $3,168 per month at age 70. Over a 20-year retirement, that difference is not a footnote.
Annuities deserve a direct conversation here, because they are often either oversold or reflexively avoided. Vanguard frames income annuities not as investment products, but as longevity insurance — a way to convert a portion of the portfolio into contractual income that covers essential needs regardless of what markets do.¹ In one Vanguard scenario, a retiree with a 6% withdrawal rate who allocated 60% of her portfolio to an immediate annuity was able to sustain nearly 70% of her initial spending target at age 100. A portfolio-only approach could not match that result over the same horizon.
This connects directly to the RISA® Safety dimension.² Retirees who score toward Safety — those who genuinely prefer knowing a portion of income is contractually secured, regardless of markets — tend to find that guaranteed income fits naturally into their plan. Retirees who score toward Growth, and who accept market variability in exchange for long-term flexibility, may cover the floor differently — through a conservatively positioned bucket, for instance, or by delaying Social Security while holding a higher cash reserve.
Neither preference is wrong. The point is that essential expenses deserve a guaranteed foundation — and what that foundation looks like depends on the person, not the product.
Your trusted advisor can walk through the income floor trade-offs clearly, matching your guaranteed income foundation to your preferences and your actual monthly budget.
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