A commonly referenced sustainable withdrawal rate is generally somewhere between 3% and 5% of your retirement savings per year, with 4% sitting right in the middle as a widely studied benchmark. But the right number for you isn’t a percentage you find in an article. It’s a number that comes out of your personalized financial plan, factoring in your risk tolerance, your living expenses, your taxes, and whether you’re planning for one person or two. Note: These figures are general guidelines, not guarantees, and actual results will vary.
Where the 4% Rule Comes From
The 4% rule has become one of the most referenced guidelines in retirement planning and for good reason. It comes from research, originally published decades ago by William Bengen, retired financial advisor, and updated more recently, that back-tested withdrawal rates across historical market conditions, including the worst periods in modern financial history.
The finding: if you were invested in a reasonable mix of stocks and bonds and withdrew 4% of your portfolio annually, you had a historically favorable likelihood based on certain studies and assumptions, of your nest egg lasting 30 years, even if you retired right before a major market downturn. That’s a meaningful data point, and it’s a useful starting place for the conversation. Note: Past market data does not guarantee future results.
But it’s just that, a starting place.
Illustrative Withdrawal Ranges: 3% to 5%
I think of withdrawal rates in terms of safety lanes. Here’s how they generally break down based on your investment approach:
- Conservative investors, those with lower tolerance for market volatility and a heavier allocation toward bonds, are typically looking at a safer withdrawal range closer to 3 to 3.5%. The tradeoff is stability. Your portfolio may not swing as dramatically, but it also may not grow as much, so you may want to be more careful about how much you pull out.
- Moderate investors, a balanced mix of stocks and bonds, generally land in the 3.5 to 4.5% range. This is where the 4% rule lives, and it’s where many retirees with balanced portfolios may begin their planning discussion.
- Moderate to aggressive investors, those with a meaningful allocation toward domestic and international equities and a longer time horizon, may be able to sustain withdrawals closer to 5%. This is not assured and depends on market performance, inflation, spending needs, taxes, and time horizon. The higher growth potential of a stock-heavier portfolio can increase the probability that your nest egg lasts. But this can come with more short-term volatility, and you have to be able to stay the course when markets drop.
Your risk tolerance isn’t just a personality preference; it can directly affect the math on how long your money lasts.
Why a Simple Calculation Isn’t Enough.
Here’s where I want to push back on the idea that you can just do the math yourself. Say you have a million dollars saved. You read that 4% is the commonly cited withdrawal rate, so you figure you can take $40,000 a year and you’re set. That feels clean and logical, but it may be incomplete.
You should also take into consideration:
- Taxes. Withdrawals from traditional IRAs and 401(k)s are taxable income. The actual amount you can spend is not the same as the amount you withdraw.
- Social Security and other income. If you’re receiving Social Security, a pension, or rental income, that can change how much you actually need to pull from your portfolio.
- Your spouse. If you’re married, your withdrawal strategy has to account for both of your lifespans, both of your income sources, and the possibility that one of you will outlive the other by years or even decades.
- Your actual living expenses. What you need to live on in retirement is the real anchor of this decision, not a percentage of your balance. Some clients need more than 4% covers. Others can live comfortably on less.
The foundation of how much you should withdraw should always be your personalized financial plan. That’s the document that connects all of these variables together into a number that actually makes sense for your life.
What Happens If You Withdraw Too Much?
Sequence of returns risk is the term we use for what happens when you withdraw too aggressively early in retirement and then markets drop. If your portfolio takes a significant hit in the first few years of retirement while you’re still pulling money out, it can permanently damage your long-term balance in a way that’s very hard to recover from.
This is why the personalized plan matters so much. Knowing your safe withdrawal rate in advance, and having a plan for how to adjust if markets are down, is one of the most important things you can do to protect your retirement income for the long haul.
Frequently Asked Questions
What is the 4% rule?
The 4% rule is a research-backed guideline suggesting that retirees can withdraw 4% of their portfolio annually with a high probability of their savings lasting 30 years. It’s a useful benchmark, but it’s not a one-size-fits-all answer — your personal financial plan should be the real guide.
Is 4% still considered a safe withdrawal rate?
Research has been updated over the years and some studies have adjusted the recommendation slightly depending on market conditions and interest rates. The range of 3 to 5% remains a widely accepted framework, with 4% as the most commonly cited midpoint.
Does my investment mix affect how much I can withdraw?
Yes, significantly. A portfolio with more equities has historically provided higher long-term growth, which can support a slightly higher withdrawal rate. A more conservative portfolio may require pulling back closer to 3 to 3.5% to protect longevity.
How do taxes affect my withdrawal rate?
If your retirement savings are in traditional accounts like a 401(k) or IRA, your withdrawals are taxable income. The gross amount you withdraw is not the same as what you get to spend. Tax planning is a critical part of any withdrawal strategy. Note: this discussion is general in nature and should not be relied upon as tax advice.
Should my spouse and I have a shared withdrawal strategy?
Absolutely. A married couple needs to plan for two lifespans, two sets of income sources, and the reality that one person may outlive the other significantly. A coordinated strategy almost always produces a more complete retirement-income plan than two independent ones.
About the Author
Scott T. Marshall, CPA, CFP® is a founding partner at Rivertree Financial Planning in Jackson, Mississippi, with over 20 years of experience helping clients build retirement income strategies and navigate the transition from saving to spending.
This material is for informational purposes only and does not constitute investment, tax, or legal advice. Investment and loan repayment strategies vary based on individual circumstances. Please consult with a qualified financial advisor before making decisions about your investment or debt repayment strategy. All investing involves risk, including the possible loss of principal, and past performance does not guarantee future results. Withdrawal strategies are based on assumptions that may change over time. There is no assurance that any withdrawal strategy will prevent portfolio depletion. Securities offered through Valmark Securities, Inc., Member FINRA/SIPC.Advisory services offered through Valmark Advisers, Inc. an SEC registered Investment Advisor. Rivertree Financial Planning is a separate entity from Valmark Advisers, Inc. and Valmark Securities, Inc.