Důchod, renta a FIRE
Monthly Income of 30,000 CZK: How Much Do You Need to Save?
Key takeaways
- To generate 30,000 CZK per month, you need a portfolio of around 9 million CZK.
- This follows from the 4% rule — historically, withdrawing up to 4% of your portfolio per year has not depleted it.
- Inflation affects the real purchasing power of your income; plan to increase withdrawals annually.
- The earlier you start investing, the less you need to set aside each month thanks to compound interest.
- A state pension can be a supplement, not your only source — your own portfolio gives security and flexibility.
If you want a monthly income of 30,000 CZK, you need a portfolio of approximately 9 million CZK — this follows from the 4% rule. This number is no coincidence or magic: it is the math validated by decades of historical data.
The 4% Rule and Where It Came From
The 4% rule states that if you withdraw no more than 4% of your portfolio's value each year, it can historically survive a 30-year retirement without running out. For annual income of 360,000 CZK (30,000 × 12), the formula gives: 360,000 ÷ 0.04 = 9,000,000 CZK. With a lower withdrawal rate — say 3.5% — you build a larger safety cushion and the required portfolio size increases modestly.
How Inflation Changes the Equation
30,000 CZK today has a different purchasing power than 20 years from now. That's why you should increase your nominal withdrawal by the current inflation rate each year — at least approximately. In practice, this means your target portfolio should be set conservatively higher, or you plan for withdrawals to gradually rise over time.
How Much to Set Aside Each Month
- Starting at age 30, retiring at 60: you need to invest approximately 10–12 thousand CZK per month assuming the average real return of a global equity market.
- Starting at age 40: the required monthly contribution rises significantly, as compound interest has less time to work.
- Starting at age 25: you need considerably less — time is the greatest tool.
State Pension as a Supplement
In the Czech Republic, the state pays a pay-as-you-go pension whose amount depends on years worked and earnings. Relying on it alone is not enough — its real value erodes with inflation and demographic trends put pressure on the system. Your own portfolio gives you peace of mind and independence from political decisions. How to build the foundation is described in the guide how to build your first portfolio.
FAQ
What is the 4% rule?
It is a guideline stating that an annual withdrawal of up to 4% of your portfolio's value has historically not depleted a portfolio over a 30-year retirement. For a monthly income of 30,000 CZK, you therefore need approximately 9 million CZK.
Do I need exactly 9 million CZK?
The number depends on your chosen withdrawal percentage, inflation, and the length of your retirement. A more conservative plan uses a 3–3.5% withdrawal rate and a higher target. A state pension and part-time work can supplement the income.
Is it realistic to reach such a portfolio?
Yes, but it depends on how long you save and how much you contribute. Those who start early and invest consistently in a diversified global portfolio have a realistic chance of reaching this goal. The key is regularity and compound interest.