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 is repeated so often that it sounds like physics. It is not. It is the result of 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 does not 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 is 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 am not going to give you one, and here is the honest reason.
I am not a licensed financial adviser, an accountant or a tax adviser. A single withdrawal rate for a stranger in an unnamed country would be advice, it would be worth what you paid for it, and it would be wrong for most of the people reading.
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? This is the question that changes the answer most between two otherwise identical people, and it is the one the American research cannot help 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
There is a European employee somewhere right now reading a forum argument about 3.5% versus 4%, while 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?
A finding from 1990s US research that a retiree could withdraw 4% of their portfolio in the first year, raise it with inflation each year after, and not run out over a thirty-year retirement. It was a study of historical American returns, not a law and not a promise.
Is the 4% rule safe for early retirement?
It was tested over thirty years. Somebody stopping at forty is planning for fifty or more, and the failure rate rises as the horizon lengthens, because a bad decade early on has longer to do damage. Most people writing about early retirement plan on something lower than 4% for that reason.
What withdrawal rate should I use in Europe?
There is no single European number, and anybody who gives you one without asking about your country is guessing. The research is American, on American returns, taxes and inflation. What you should do is decide the variables yourself: how long the money must last, how much of your spending is fixed, what your country taxes, and how much you would 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.