How Much Can You Safely Withdraw in Retirement? Why the Answer Is a Plan, Not a Percentage

The question arrives in some version at almost every first meeting: what percentage of my savings can I take out each year and not run out? It is the right question asked in the wrong unit. In the second half, money becomes more complicated at exactly the time you want life to become less complicated, and a single percentage is appealing precisely because it is simple. The problem is that retirement is not.

This article explains where the withdrawal-rate idea came from, why it fails in the years that matter most, and what a written income plan does instead. It does not offer a number. Any number offered to a reader whose accounts, taxes, and health it does not know would be a guess dressed up as advice.

Where the rule of thumb came from

Withdrawal-rate research began as a way to answer one question with historical data: if a retiree took a fixed percentage of a balanced portfolio in year one and raised it with inflation every year after, how often would the money have lasted thirty years? The research is useful. It established that the order of returns matters, that inflation adjustment matters, and that a thirty-year horizon is the right test. What it was never designed to do is tell a specific household what to spend.

The rule assumes a fixed allocation, a fixed spending path that only rises, no taxes, no account types, and a retiree who never adjusts. Real retirements have none of those properties.

Why a percentage fails in the first five years

The five years before retirement and the five years after are the window in which a bad outcome does lasting damage. The portfolio is near its peak, withdrawals are starting, and there is little time to recover. Four things break a fixed rate in that window.

• Sequence of returns. Two retirees with the same thirty-year average return end up in different places if one meets a decline in year two and the other in year twenty. Selling more shares at lower prices early permanently reduces the base that would otherwise recover. A fixed percentage keeps selling into the decline.
• Inflation. A rate that is comfortable in year one has to buy the same life in year fifteen, and retiree spending leans on categories that have historically risen faster than the headline rate. A fixed path that only rises with inflation can still fall behind the actual cost of a retiree's life.
• Taxes. A dollar from a traditional IRA, a dollar from a Roth, and a dollar of long-term gain from a taxable account are not the same dollar after tax. The percentage treats them as identical. The return does not.
• Spending shape. Spending is rarely flat. It is often higher in the active early years, lower in the middle, and higher again if care is needed. A fixed rate funds the wrong years.

What replaces the percentage

Turning a lifetime of savings into income that holds up across two or three decades is a design problem. We build it in segments so each dollar has a job and a timeline. The components below are what a written income plan contains, whoever builds it.

Segmented income

Near-term spending, often the first several years, sits in stable assets that do not depend on the market cooperating. Middle years sit in a balanced allocation. Later years stay in growth, where a downturn has time to recover before the money is needed. A decline in year two does not force sales from the growth segment, which is the whole point.

A withdrawal sequence across account types

Which account each year's spending comes from is a tax decision made annually: filling lower brackets from pre-tax accounts, letting Roth assets compound, harvesting gains in low-income years, and keeping the income that drives Social Security taxation and Medicare surcharges under the thresholds that matter. Our article on the seven tax mitigation strategies explains each lever.

A flexible spending rule

Instead of a fixed path, the plan sets a starting spending level and defined limits. If a poor market pushes the effective draw above the upper limit, spending adjusts modestly. If strong returns pull it below the lower limit, spending can rise. The adjustments are small and planned in advance, which is what makes them bearable.

Guaranteed income as the base

Social Security, any pension, and, for some households, a lifetime-income product offered through licensed representatives, cover the spending that cannot flex. The portfolio funds the spending that can. Deciding when to claim Social Security is part of this decision, modeled against required minimum distributions and survivor income rather than chosen by default.

A stress test

The written plan shows what happens if the first five years are poor: what adjusts, when, and by how much. A plan that has never been run through a bad sequence is a forecast, not a plan.

How Beacon builds the income plan

At Beacon Wealth Management, retirement income planning is one of six areas coordinated in every Financial Summit Map, the written plan produced by our four-step Guided Journey. The segmented income strategy is built alongside tax mitigation, investment management, insurance, and estate planning, so a change in one is checked against the rest before anything is implemented. The plan is stress-tested, reviewed on a schedule, and reviewed again after any major change. Our article on the six risks of retiring in the next five years covers what else the plan has to hold.

At a glance: approaches to retirement income

What to ask before you accept a number

• Is this a percentage, or a plan with a withdrawal sequence and a stress test behind it?
• Which account does each year's spending come from, and who decided?
• What happens to my spending if the first three years are poor? Show me.
• How does my Social Security claiming date change the answer?
• Which standard applies to this advice, and how are you paid? Our guide to verifying an advisor's status shows how to check any firm, including ours.

Advisory services at Beacon are offered through Cambridge Investment Research Advisors, Inc., a Registered Investment Adviser, and securities through Cambridge Investment Research, Inc., a broker-dealer. If you would like your income question answered in a plan rather than a percentage, let's have a conversation. A short discovery call is where the Guided Journey begins.