Varied parameter
Investment return (expected)
3% → 7%
Investment Return Comparison
Software engineer in Madrid · A volatile financial ride
This page compares financial outcomes for a Software engineer living in Madrid, Spain, following the A volatile financial ride life scenario.
A highly unstable financial path combining income uncertainty, market swings, and repeated adverse events. Outcomes range widely, from recovery and growth to prolonged stagnation.
Madrid concentrates many higher-paying roles and business opportunities, with a correspondingly higher urban cost structure.
The comparison focuses on how changing the Investment return (expected) influences long-term results, while all other assumptions remain constant.
Simulation Overview
Base scenario assumptions
- The simulation starts at age 30 and runs until age 65.
- The initial annual labor income is €27,720.
- Labor income grows annually at an average rate of 4%.
- A labor income tax rate of 30% is applied to gross earnings.
- The saving rate is set to 20%.
- Minimum annual living expenses are €14,160.
- Savings are invested with stochastic annual returns.
- The average annual return is 5%, with year-to-year variability.
- All values are expressed in real terms, assuming average annual inflation of 2%.
- The simulation includes stochastic life events such as unemployment, health issue, unemployment, and health issue.
- These events may temporarily affect income, expenses, or net worth.
- Financial independence is defined as having net worth equal to 25 times annual expenses.
- Bankruptcy is triggered if net worth remains below €0 for 2 consecutive years.
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Scenario Comparison
Results are shown as a realistic range. P10 represents a pessimistic outcome, while P90 represents an optimistic outcome. Most simulations fall between these two values.
| Scenario | Median Net Worth | P10 Net Worth | P90 Net Worth | FI Probability | FI Median Age |
|---|---|---|---|---|---|
| 3% | 277,442 | 153,299 | 524,433 | 37% | 61 |
| 5% | 369,589 | 194,658 | 743,919 | 58% | 59 |
| 7% | 505,557 | 248,741 | 1,088,360 | 79% | 58 |
How Your Financial Life Evolves
These charts show how each scenario affects long-term outcomes, including expected wealth, downside risk, and the likelihood of achieving financial independence.
Net Worth Median
Net Worth Range
Fi Probability
Fi Median Age
