Living Off Your Investments in France: How Much Capital Do You Really Need?
Generating enough passive income from your portfolio to live without a salary is no longer reserved for the ultra-rich. In France, the PEA tax advantage and lower cost of living make it accessible for a growing number of people. Here's the math.
The fundamental formula
To live off investments without depleting capital, you need a portfolio that generates your annual expenses through a sustainable withdrawal rate.
The reference: 4% rule (Trinity Study) → portfolio survives 30 years with 4%/year withdrawals, historically tested from 1926 onwards.
Formula: capital needed = annual net income target ÷ 0.04 (i.e., × 25)
But in France, taxation changes the picture significantly.
Capital needed by lifestyle level
| Target net income/yr | PEA (18.6%) | $args[0].Value -replace '30%', '31,4%' ) | Difference |
|---|---|---|---|
| €12,000 (€1,000/mo) | €362,000 | €428,600 | -€66,600 |
| €18,000 (€1,500/mo) | €543,000 | €642,900 | -€99,900 |
| €24,000 (€2,000/mo) | €725,000 | €857,100 | -€132,100 |
| €36,000 (€3,000/mo) | €1,087,000 | €1,285,700 | -€198,700 |
Calculation: The PEA gains are taxed at 18.6%. For net €24K/year, assuming approximately 70% of withdrawals are gains (30% is initial capital), the portfolio needs to be slightly larger to net the same amount. Simplification used here: divide by (1 - tax_rate) on the gain portion only.
An American needs $857K for $24K/year net (23.8% capital gains tax + no equivalent of PEA). A French investor using the PEA needs only ~€725K — 15% less capital to reach the same standard of living. Plus healthcare is largely covered by the state. True financial independence is cheaper in France than in the US.
The income sources in practice
Method 1: Total return withdrawal (most flexible)
You invest 100% in growth ETFs (CW8, PAEEM) and sell a portion each year. No dividends needed. You control the timing and amounts. Most tax-efficient via PEA.
Method 2: Dividend ETFs
Some ETFs distribute quarterly dividends: IWDP (iShares Developed World), CG9 (iShares Euro Dividend). Advantage: cash arrives without selling. Disadvantage: dividends taxed 30% in CTO (or 18.6% in PEA), and dividend ETFs typically return less than total-return ETFs long-term.
Method 3: Rental income + portfolio (hybrid)
Many French people complement their portfolio with a paid-off rental property. Typical: €600-900/month rent from a studio in a university city. This covers 40-50% of expenses, reducing the required financial portfolio size by the same proportion.
The 4 things people always underestimate
- Inflation: €2,000/month today = less in 20 years. Plan for 2%/year inflation adjustment in your withdrawal model.
- Sequence of returns risk: if markets crash in your first year of withdrawals, the damage is disproportionate. Keep 12-24 months cash buffer.
- Healthcare costs post-65: even with French social security, costs increase with age. Budget €200-400/month supplemental from age 65.
- Taxation evolution: French tax rules change. The PEA's 18.6% rate could increase. Don't structure everything around a single tax assumption.
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See my progress →FAQ
Is the 4% rule still valid for a 50-year retirement?
The original Trinity Study covers 30 years. For 50+ years (FIRE at 40), research suggests a more conservative 3% to 3.5% safe withdrawal rate. At 3.5%: capital needed = expenses × 28.6 instead of × 25. For €24K/year in PEA at 3.5%: ~€825K.
What if markets fall 40% right after I stop working?
This "sequence of returns risk" is the biggest threat. Three mitigations: (1) 2-year cash buffer in Livret A — cover expenses without selling during crashes; (2) reduce withdrawal in bad years (flex spending); (3) keep 10% in short-term bonds as a buffer that doesn't fall as much as equities. Most FIRE simulations pass even Great Depression scenarios with these guards in place.