Three Months of Emergency Cash May Be Enough for Workers, but Retirees Need a Different Benchmark

Quick Read

• Only 46% of Americans have emergency savings equal to three months of expenses, down 6 points from 2021, and that standard was meant for workers rather than retirees.

• Retirees are often better served by keeping 1 to 2 years of their income shortfall in cash. For someone spending $4,500 a month with $2,571 in guaranteed income, that works out to roughly $23,000 to $46,000.

• Treasury bills, which can yield as much as 4.46% and are exempt from state taxes, can be an attractive place for retirees to hold cash reserves.

The usual emergency-savings rule says people should keep three to six months of expenses in cash. That guideline was built for workers with paychecks, since the main risk is losing job income and needing time to find new work. Even so, most Americans do not reach that benchmark.

In the latest wave of the FINRA Foundation's National Financial Capability Study, 46% of respondents said they had rainy day savings equal to three months of expenses. That was six percentage points lower than in 2021 and marked a reversal after a long period of improvement that began in 2009.

Older Adults Score Better, but the Risk Picture Is Different

The FINRA data also show clear differences by age and income. Among adults 55 and older, 59% reported having three months of savings set aside. For adults ages 18 to 34, the figure was 36%. By income, only 22% of households earning under $25,000 had that cushion, compared with 66% of households making $75,000 or more.

Although older savers appear more prepared on this measure, the measure itself is not tailored to retirement. Retirees usually face shocks from other sources, such as a roof replacement, a medical bill, a car purchase, or helping an adult child. A falling stock market can also create trouble. If a retiree has to sell investments during a downturn to cover living costs, the losses become permanent and there is less capital left to recover when markets rebound.

What a Larger Cash Cushion Means in Retirement

A common retirement-planning approach is to keep one to two years of spending needs in cash or other safe short-term holdings. The key is the amount left after guaranteed income such as Social Security or a pension, not total spending. The ideal amount varies by household, but the framework is widely used.

Consider a retiree who spends $4,500 a month and receives a $500 pension. Social Security's estimated average benefit for retired workers is $2,071 a month after the 2026 adjustment. That leaves a monthly gap of $1,929 that must come from savings.

One year of that gap equals $23,148, and two years equals $46,296. By comparison, three months of the retiree's full spending would be $13,500. The retiree-focused reserve is larger because it is based on the income gap that must be covered, not on total monthly expenses.

Inflation also affects how large the cushion needs to be. The Social Security cost-of-living adjustment for 2027 is 3.6%. The Bureau of Labor Statistics' research price index for Americans 62 and older also rose 3.6% through September 2026, reaching a record high. That index gives extra weight to housing and medical care, two categories that often take up a larger share of older households' budgets.

Medicare Costs Can Require a Bigger Buffer

Health expenses can be hard to predict. In 2026, the standard Medicare Part B premium is $202.90 a month, the Part B deductible is $283, and a hospital stay carries a separate Part A deductible of $1,736 per benefit period.

Original Medicare does not include a yearly cap on out-of-pocket costs unless a retiree has supplemental coverage, according to Medicare.gov. Medicare Advantage plans do have an annual out-of-pocket maximum, which is one of the main differences between the two options. Without a Medigap policy, a retiree using Original Medicare may need a larger cash reserve to handle a bad health-care year.

Where Retirees Can Park the Money

Treasury bills are one option for holding this reserve. These short-term government securities pay back their full face value when they mature. On October 29, 2026, average yields were 3.99% for 4-week bills, 4.34% for 26-week bills, and 4.46% for 52-week bills. Some retirees build a ladder by buying bills with different maturity dates so cash becomes available on a staggered schedule.

Treasury interest also comes with a tax benefit. Under IRS Publication 550, it is subject to federal income tax but exempt from state and local income taxes. That can be especially valuable in high-tax states.

High-yield savings accounts at FDIC-insured banks are protected up to the federal insurance limit per depositor, per bank. Their interest rates can change at any time. Money market funds hold short-term securities and are generally easy to access, but they are not bank deposits and do not have FDIC insurance. Recent coverage has also noted that savings rates are still competing for deposits heading into November.

A Simple Place to Start

For many retirees, the first step is a high-yield savings account. In many plans, it is held at an FDIC-insured bank and linked to the checking account that receives Social Security payments. It can cover the next several months of the income gap and usually can be accessed within a day or two, while Treasury bills or a money market fund can hold the rest of the one- to two-year reserve. Rates on all three options move over time.

A Final Reminder on Retirement Mistakes

One investing error can create major risks in retirement. Common mistakes include being too conservative, making large bets on supposed sure things, or paying too much in fees. Any of those missteps can put hard-earned savings at risk.

You can also learn about mistakes even experienced investors make, and how to avoid them before it's too late, in Fisher Investments' guide, 13 Retirement Mistakes and How to Avoid Them.