Sequence of Returns Risk: The Biggest Threat to Early Retirees

There is a widely misunderstood aspect of retirement investing that can turn a well-funded retirement plan into an underfunded one — not through low average returns, but through the unfortunate timing of those returns. This is sequence of returns risk, and for early retirees drawing down a portfolio over 30, 40, or even 50 years, it represents one of the most significant financial threats they face.

Understanding sequence of returns risk, and building strategies to mitigate it, is essential for any internationally mobile retiree managing a self-directed portfolio. This article explains the concept clearly, illustrates its magnitude with real-world examples, and sets out practical mitigation strategies relevant to expat investors.

Investments can fall as well as rise. This article does not constitute financial advice. Always seek regulated advice before making retirement planning decisions.

What Is Sequence of Returns Risk?

Sequence of returns risk is the risk that poor investment returns — particularly severe bear markets — occur early in your retirement, when your portfolio is largest and withdrawals are first beginning. This has a disproportionately large negative impact compared to the same poor returns occurring later in retirement.

Here is a simple illustration. Two retirees each have a £1 million portfolio and withdraw £40,000 per year (4%), adjusted for inflation. They each experience the same average annual return of 5% over 20 years. The difference: Retiree A experiences strong early returns and weaker late returns; Retiree B experiences the reverse.

Despite identical average returns, their outcomes diverge dramatically:

• Retiree A, with strong early returns, ends with a portfolio well above £1 million after 20 years.
• Retiree B, with poor early returns, may have a substantially depleted portfolio — potentially exhausted entirely.

The mathematics are unforgiving. When a retiree withdraws £40,000 from a £1 million portfolio and that portfolio then falls 30% to £700,000, the subsequent recovery must apply to the smaller remaining base. The permanent capital impairment from early withdrawals plus early poor returns compounds over time.

Why Early Retirees Face the Greatest Risk

Sequence of returns risk affects all retirees, but it is most acute for early retirees — those retiring in their 50s or even late 40s — for two reasons:

Longer drawdown horizons: an early retiree may face 40–50 years of withdrawals. More years means more opportunity for compounding, but also more years for an early shock to propagate through the portfolio.

No near-term pension income: early retirees typically cannot access their pension (UK minimum access age is 55 as of 2026, rising to 57 in 2028) and do not yet receive state pension income (payable from 67 for most UK nationals). In the early years of retirement, 100% of spending must come from the investment portfolio — maximising the impact of an early bear market.

A retiree who left employment at 52 with a £1.5 million portfolio in early 2000 would have experienced a 45% equity market fall over the next two years, followed by a partial recovery, followed by another severe bear market in 2008–2009. By the time state pension income began and pension funds became accessible, the portfolio could have been severely depleted — not because of bad average returns, but because of bad early returns combined with relentless withdrawal requirements.

Historical Context

Several historical retirement cohorts have been particularly unfortunate in terms of sequence:

• Retiring in 1965–1970 (UK and US): these retirees faced the severe inflation of the 1970s combined with poor equity returns — a particularly toxic combination for fixed-withdrawal strategies.
• Retiring in 2000 (global): the dot-com crash followed by 9/11 and then the 2008 financial crisis created a catastrophic sequence for those who retired just before the first bear market.
• Retiring in late 2021: inflation rose sharply, equities fell significantly, and bonds — normally a portfolio stabiliser — also fell as interest rates rose. The 60/40 portfolio had its worst year in decades. For retirees who began withdrawals at this point, the sequence has been challenging.

These periods are not anomalies; they are a recurring feature of financial markets. Planning must assume that some retirees will face adverse sequences.

Mitigation Strategy 1: Cash Buffer

The most straightforward mitigation is maintaining a cash or near-cash reserve equivalent to one to three years of essential expenditure. During a market downturn, you draw from the cash buffer rather than selling equities at depressed prices. Once markets recover, you replenish the buffer by trimming equities.

This simple strategy can dramatically improve outcomes. By avoiding forced selling at the bottom of a market cycle, you allow your equity portfolio to recover without permanent impairment.

For internationally mobile retirees, the cash buffer should be held primarily in the currency in which you spend — or spread across spending currencies if you live across multiple countries.

Mitigation Strategy 2: Bucket Strategy

The bucket strategy divides your retirement portfolio into three "buckets" based on time horizon:

• Bucket 1 (0–3 years): cash and short-term bonds covering near-term expenditure. Very low risk.
• Bucket 2 (3–10 years): intermediate bonds, dividend-paying equities, infrastructure funds. Moderate risk, income-generating.
• Bucket 3 (10+ years): growth assets — global equities, real assets, alternatives. Higher risk, long-term growth focus.

In a bear market, you draw from Bucket 1, leaving Buckets 2 and 3 undisturbed. Over time, Bucket 3 refills Bucket 2, and Bucket 2 refills Bucket 1. The structure builds in a natural protection against sequence risk by ensuring short-term income needs are insulated from long-term market volatility.

The bucket strategy has psychological as well as financial benefits: knowing your next three years of income are secure regardless of what markets do dramatically reduces the temptation to make poor decisions in volatile periods.

Mitigation Strategy 3: Dynamic Withdrawal Rate

Rather than withdrawing a fixed inflation-adjusted amount each year, dynamic withdrawal strategies adjust the amount based on portfolio performance:

• Guardrail strategy: set upper and lower bounds on spending. If the portfolio grows strongly, increase spending modestly. If it falls, reduce spending by 10–15% temporarily.
• Percentage of current portfolio: withdraw a fixed percentage (e.g., 3.5%) of the portfolio's current value each year. Spending naturally adjusts with market performance — less in bad years, more in good ones.

These approaches accept short-term spending variability in exchange for significantly improved long-run portfolio survival rates. For retirees with some spending flexibility (particularly around discretionary items like travel and entertainment), they are highly effective.

Mitigation Strategy 4: Guaranteed Income Floor

Covering essential, non-discretionary expenditure (food, utilities, rent or housing costs, healthcare premiums) with guaranteed income sources — state pension, annuities, defined benefit pension income — removes this spending from the investment portfolio entirely.

If your guaranteed income floor covers £30,000 per year and your total spending target is £60,000, your portfolio only needs to generate the £30,000 discretionary portion. You can afford to reduce this portion in a poor market year without threatening the essentials.

For internationally mobile retirees, this argues strongly for:

• Maximising state pension entitlements (purchasing NI contributions if necessary).
• Potentially using a portion of pension funds to purchase an annuity covering the non-discretionary floor.
• Structuring rental income to cover specific recurring costs.

Mitigation Strategy 5: Flexible Retirement Date

For pre-retirees still in accumulation, the best protection against sequence of returns risk is retaining the flexibility to delay retirement if you are approaching your target date during a severe bear market. Retiring two years later than planned when markets have fallen 35% may mean your portfolio is still at your target level — and you avoid beginning drawdown from a depleted base.

This argues against rigid retirement date commitments and for building flexible transitions: moving to part-time work, consulting, or consulting income during the bridge period.

Currency Dimension for Expats

Internationally mobile retirees face an additional sequence risk layer: currency. A severe bear market coinciding with sterling weakness (for a UK national spending in a local currency) compounds the sequence problem. Portfolio values fall in sterling while the cost of translating sterling into spending currency also rises.

This argues for:

• Maintaining income-generating assets in the spending currency (local property, locally-domiciled funds).
• Holding currency reserves in the spending currency.
• Using currency-hedged funds for portions of the international equity portfolio during the early retirement period when sequence risk is greatest.

The Role of Financial Planning

Sequence of returns risk underscores why retirement income planning is not simply about choosing a withdrawal rate. It requires:

• Stress-testing the plan against multiple historical and modelled bad sequences.
• Building structural protections (cash buffers, guaranteed income) before retiring.
• Understanding spending flexibility and identifying which expenditure is discretionary.
• Regularly reviewing and adapting the plan in response to portfolio performance and life changes.

Monte Carlo simulation — which models thousands of potential market sequences to estimate the probability distribution of outcomes — is a valuable tool, but it must use realistic parameters for international investors (global equity returns, multi-currency inflation, appropriate withdrawal rate for the actual horizon).

How Global Investments Can Help

Global Investments has advised internationally mobile retirees and pre-retirees for over 32 years. We understand the compounding complexity of multi-currency portfolios, multiple income sources, and varied tax environments that make sequence of returns risk particularly acute for our clients.

We help you build structural protections before retirement, construct an appropriate asset allocation that balances growth and stability, and develop a flexible income strategy that can weather adverse sequences without compromising your long-term lifestyle. Contact us to arrange a retirement resilience review.

The value of investments can fall as well as rise. Income and capital are not guaranteed. Historical returns are not a guide to future performance. This article is for information only and does not constitute regulated financial advice.