Financial freedom
The 4% rule was written for a 65-year-old American
The 4% rule came from US market history, a thirty-year retirement and a particular mix of stocks and bonds. If you are planning to stop at forty in Europe, almost none of those assumptions describes you. Here is what the research actually said, and which variables you have to decide for yourself.
Almost every article about retiring early repeats the same number. Take 4% a year and you will be fine.
It gets repeated so often it sounds like physics. It isn’t. It’s one study, of one country’s market history, answering a narrower question than the one you are asking.
What the research actually said
In 1994 a financial planner called William Bengen looked at US market history and asked how much a retiree could withdraw without running out. He raised the withdrawal with inflation each year and tested it against every starting year he had data for.
The answer was about 4%, over thirty years, on a portfolio of American stocks and bonds. The Trinity study a few years later tested similar ground and produced the success tables people still quote.
Read that paragraph again and count the assumptions.
American returns. American inflation. Thirty years. A specific stock and bond mix. No tax. No fees. A retiree who doesn’t change their spending when the market falls.
Four reasons it is not your number
Thirty years is not fifty
The rule was tested on a retirement that starts at sixty-five. Somebody stopping at forty is asking the money to last fifty years or more.
That’s not a small extension. A bad first decade has twenty more years to compound against you, and the studies show the failure rate climbing as the horizon gets longer. Most serious writing on early retirement plans below 4% for exactly this reason.
The data is American
The twentieth-century US market was one of the best-performing in the world. Studies that run the same test across other developed markets generally produce lower sustainable rates, because most countries did not have America's century.
Planning a European retirement on the best outcome available in the sample is a choice. It might be the right one. It should at least be a choice you made on purpose.
Tax is not in it
The original work is pre-tax. In Europe what you actually keep depends on where you live, what wrapper the money is in, and whether your funds accumulate or pay out.
Two people can withdraw the same 4% in two countries and end up with different money in their hands. That difference does not appear anywhere in the American research, and it is not small.
Nobody actually spends like the model
The rule assumes you raise your spending with inflation every year regardless of what happened to your portfolio. Real people do not do this. When the market falls thirty percent, they postpone the kitchen.
That flexibility is worth more than getting the starting rate exactly right, and it is the one variable entirely within your control.
So what number should you use?
I'm not going to. Here's the honest reason.
I'm not a licensed financial adviser, an accountant or a tax adviser. One rate for a stranger in a country I don't know would be advice. It'd be worth what you paid for it. And it'd be wrong for most people reading this.
What I can do is hand you the variables that actually decide it.
How many years must this money last? Not to sixty-five. To the end.
How much of your spending is fixed? Rent and food behave differently from holidays. The larger your fixed share, the less room you have to cut in a bad year, and the more conservative your rate has to be.
What does your country take, and when? Of all the variables, this one moves the answer furthest between two otherwise identical people. It's also the one the American research can't help you with at all.
What would you actually do after a bad year? If the honest answer is that you would take less, you can plan on a higher rate. If your spending cannot move, you cannot.
Then take those four answers to somebody qualified in your own country. That is not a disclaimer I am adding at the bottom to be safe. It is the actual next step.
The thing worth more than the rate
Somewhere in Europe right now, someone is reading a forum argument about 3.5% versus 4%. Meanwhile they're leaving tens of thousands a year in the gap between what their employer spends and what reaches their account.
The rate matters at the end. What you put in matters at the beginning, and the beginning is where you are. In the first decade the size of the contribution does the work, because compounding has not had time to.
Half a percentage point of withdrawal rate is a real question for somebody with a portfolio. What your employer actually spends on you is a bigger question for almost everybody else.
Common questions
What is the 4% rule?
It comes from 1990s US research. A retiree could take 4% of their portfolio in year one, raise it with inflation after that, and not run out over thirty years. It was a study of past American returns. Not a law, and not a promise.
Is the 4% rule safe for early retirement?
It was tested over thirty years. Stop at forty and you're planning for fifty or more. The longer the horizon, the higher the failure rate, because a bad decade early on has more time to do damage. That's why most people writing about early retirement plan on less than 4%.
What withdrawal rate should I use in Europe?
There isn't one. Anybody who hands you a European number without asking which country you're in is guessing. The research is American, built on American returns, taxes and inflation. Decide the variables yourself instead: how long the money has to last, how much of your spending is fixed, what your country taxes, and how much you'd cut in a bad year.
Does the 4% rule account for tax?
No. The original work is pre-tax and American. In Europe what you actually keep depends on your country, your account type, and whether your funds accumulate or distribute. Two people withdrawing the same 4% in different countries do not end up with the same money.
What is a safer alternative to a fixed withdrawal rate?
Most of the alternatives share one idea: take less in bad years. Fixed percentage of the current balance, a floor and a ceiling, or simply not raising the withdrawal after a year the market fell. Flexibility is worth more than precision in the rate you started with.
Nothing on this page is financial advice, and I am not licensed to give any. It describes published research and the variables behind it. What this is and what it is not.
Nine ways of defining the finish line
Traditional, Lean, Fat, Coast, Barista and four more, each with the arithmetic shown, so you can see what changing the rate does to the target.
See the nine models
Who wrote this
Fifteen years in sales, starting at €700 a month. Ranked first of more than 250 account executives globally at Deel in the first half of 2023. Everything you can check is on the proof page, including the parts that cannot be checked.
Sources
This is education, not advice, and I am not a licensed adviser. What that means in full is in what this is and what it is not.