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How to calculate your Coast FIRE number in Europe

Written by Auric, Denwyn's guide28 July 20267 min read
How to calculate your Coast FIRE number in Europe

The journey to financial independence often feels like a marathon run at the pace of a sprint. You work hard, save aggressively, and invest every spare penny in the hope of one day buying back your freedom. But what if you could take your foot off the accelerator decades before you actually retire? This is the core promise of Coast FIRE, a financial milestone that changes the way you think about work, saving, and your future.

For retail investors navigating the unique economic landscape of our continent, understanding how to achieve Coast FIRE in Europe is a game changer. We have different tax systems, robust social safety nets, and varying income levels compared to our American counterparts. Reaching a traditional financial independence number can seem daunting here, but the Coast milestone is surprisingly within reach.

In this guide, we will break down the exact maths behind this strategy. We will look at how to calculate your personal target, how local tax rules impact your compounding, and how you can transition into a lower-stress lifestyle sooner rather than later.

Contents

What is Coast FIRE?

Coast FIRE is a specific milestone within the broader FIRE movement. It occurs when you have saved and invested enough money at an early age that, without ever adding another penny to your investment accounts, your portfolio will grow to meet your traditional retirement number by the time you reach a standard retirement age.

Once you hit this number, you are coasting. You no longer need to save for the future. The heavy lifting is done by compound interest, working quietly in the background while you go about your life.

This does not mean you can stop working immediately. You still need to earn enough active income to cover your current living expenses. However, because you are no longer funnelling a huge percentage of your income into investments, your required active income drops significantly. This opens the door to part-time work, a less stressful career, or starting a passion business.

Why Coast FIRE makes sense in Europe

When you read mainstream financial independence content, it is often heavily tailored to the United States. High salaries, immense healthcare costs, and complex retirement accounts dominate the conversation. European investors face a different reality.

In Europe, our gross salaries are generally lower, and our income taxes are higher. This makes it mathematically harder to save the massive sums required for full, early retirement in a short period. Conversely, we benefit from state-provided healthcare and, in many cases, decent state pensions. We do not need a multi-million euro portfolio just to ensure we can see a doctor in our old age.

Because of this balance, Coast FIRE in Europe is highly practical. It allows you to leverage the aggressive savings phase during your early career when your expenses are low. Once you hit your target, you can downshift your career, pay lower income taxes on a reduced salary, and enjoy the European emphasis on work-life balance while your investments compound over the long term.

The maths: how to calculate your Coast FIRE number in Europe

Calculating your target requires working backwards from your ultimate retirement goal. You need to know three key variables before you can find your coasting number.

First, determine your traditional financial independence number. This is usually calculated using the rule of 25, which assumes a safe withdrawal rate of 4 percent. Multiply your estimated annual expenses in retirement by 25. If you expect to spend 30,000 EUR a year, your total target is 750,000 EUR.

Second, decide on the time horizon. This is the number of years between now and when you plan to fully retire and start drawing down your portfolio. If you are 35 today and plan to retire at 65, your time horizon is 30 years.

Third, estimate a conservative real rate of return. We use real returns to account for inflation, meaning the final number is calculated in today's purchasing power. A common and conservative estimate for a globally diversified portfolio of equities is an annual real return of 5 percent.

The formula to find your coasting number is simple. You divide your traditional target by 1 plus your real return rate, raised to the power of your time horizon. In mathematical terms, that is: Coast FIRE Number = Traditional Target / (1 + 0.05)^Years.

A concrete example of Coast FIRE in Romania

Let us ground this theory in reality with a concrete example. Imagine an investor named Andrei living in Romania. Andrei is 30 years old and wants to fully retire at the standard age of 65, giving his portfolio 35 years to grow.

Andrei lives comfortably and estimates he will need 2,000 EUR per month in retirement, or 24,000 EUR a year. Using the rule of 25, his traditional retirement target is 600,000 EUR. This is the amount he needs to have accumulated by the time he turns 65.

Now, Andrei wants to know how much he needs invested today so he can stop saving entirely. He uses a 5 percent real annual return for his calculations. He takes his 600,000 EUR target and divides it by 1.05 to the power of 35.

The compounding factor over 35 years is roughly 5.51. By dividing 600,000 EUR by 5.51, Andrei discovers his Coast FIRE number is approximately 108,892 EUR. If Andrei can invest this amount by his 30th birthday, he never has to invest another leu for his retirement.

Taxes and your investments: accumulating UCITS ETFs

The maths is elegant, but the execution requires the right investment vehicles. For European investors, the bedrock of this strategy is usually a globally diversified portfolio of shares, accessed via Exchange Traded Funds.

To maximise the power of compound interest, you should strongly consider accumulating UCITS ETFs. Unlike distributing funds, which pay out dividends to your brokerage account, accumulating funds automatically reinvest the dividends back into the fund. This happens internally, meaning you do not trigger a taxable event upon receiving a dividend.

Tax drag is the silent enemy of compounding. By keeping the growth wrapped up inside the ETF, you defer taxes until you finally sell your shares decades later. When you do eventually sell, you must understand your local capital gains tax rules.

If you are a tax resident in Romania, the current framework is quite favourable for long-term investors. Capital gains on shares held for more than one year through a locally registered broker are taxed at just 1 percent. If held for less than a year, the tax is 3 percent. For foreign brokers, the standard capital gains tax is 10 percent. Keep in mind that Romania uses the First-In, First-Out (FIFO) method for calculating the cost basis of sold shares. Furthermore, you must declare your gains to ANAF by May 25 of the following year using the single tax declaration form.

How to transition to a Coast FIRE lifestyle

Hitting your target is a mathematical victory, but the real challenge is psychological. Many people reach their coasting number and simply keep working the same stressful job because they are trapped by habit or lifestyle inflation.

To truly benefit from this milestone, you must be willing to make a change. Since you only need to cover your current living expenses, you can afford to take a significant pay cut. This might mean negotiating a four-day work week with your current employer, moving into a lower-paying but more fulfilling role in the charity sector, or taking the leap into freelance work.

It is crucial to keep your living expenses in check during this transition. If your income drops but your spending rises, you will be forced to dip into your investments, which ruins the coasting maths. Track your spending carefully, maintain an emergency fund, and view your newfound free time as your primary currency.

Conclusion: finding your balance

Pursuing Coast FIRE in Europe offers a brilliant middle ground for retail investors. It demands discipline and high savings rates in your twenties and thirties, but it rewards you with unparalleled freedom long before traditional retirement age.

By understanding the precise maths behind your target, utilising tax-efficient tools like accumulating UCITS ETFs, and navigating local tax regulations, you can secure your financial future. It is not about reaching the finish line as fast as possible; it is about reaching a point where the rest of the race becomes a pleasant jog.

If you found this guide helpful and want to dive deeper into practical wealth-building strategies tailored for our continent, be sure to explore more articles on our blog. The path to financial independence is a journey best shared, and we are here to help you navigate every step of the way.

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