In France, taxpayers in the 41% marginal tax bracket (TMI) represent approximately 3% of households. For these taxpayers, every additional euro of income is reduced by 41 cents in income tax, on top of social contributions. The tax burden is such that it can discourage conventional saving. Yet it is precisely at this income level that tax optimization tools like the PER become remarkably effective. Nicolas, a self-employed dental surgeon, illustrates how a strategy built around the PER and life insurance can generate more than 129,000 euros in tax savings over 20 years while building financial assets exceeding 1.4 million euros.
Nicolas's profile: a highly taxed liberal professional
Nicolas is 42. A dental surgeon in private practice for 12 years in the southern French city of Montpellier, he generates a net taxable profit of 120,000 euros per year. Married to Virginie, 40, a primary school teacher (net salary: 2,300 euros/month, approximately 28,000 euros net taxable), the couple has one child, Maxime, aged 8.
Their household taxable income amounts to approximately 148,000 euros for 2.5 tax shares. The household TMI is firmly at 41%. The couple currently pays approximately 28,000 euros in income tax per year.
Their assets
- Dental practice (premises in an SCI): estimated value 300,000 euros
- Primary residence: 350,000 euros (mortgage repaid)
- Regulated savings accounts: 50,000 euros (Livret A at maximum + LDD)
- Nicolas's life insurance (opened in 2016): 60,000 euros, 100% euro funds
- Virginie's life insurance (opened in 2018): 25,000 euros, 100% euro funds
- No PER, no PEA
- Emergency savings: well covered (6 months of expenses)
Total assets amount to approximately 785,000 euros, respectable but heavily concentrated in real estate (practice + primary residence = 83% of total assets). Financial investments are underoptimized: both life insurance policies are 100% in euro funds, significantly limiting long-term performance.
His objectives
- Reduce income tax by at least 8,000 euros per year on a sustainable basis
- Prepare for retirement (20-year horizon), especially important for a liberal professional whose pension will be modest
- Diversify assets currently too concentrated in professional real estate
- Protect Virginie and Maxime in case of premature death
Why liberal professionals are particularly concerned
Liberal professionals combine two characteristics that make the PER particularly relevant: a high TMI (often 41% or even 45%) that maximizes the tax advantage at entry, and a relatively low retirement pension (mandatory schemes for liberal professionals, such as CARCDSF for dentists, pay pensions significantly below those of the general regime). The TMI gap between working life (41%) and retirement (11-30%) is therefore generally larger than for an employee, which further strengthens the PER's appeal.
The strategy implemented
Step 1: Maximize PER contributions (catch-up + regular contributions)
Nicolas's PER deduction ceiling is 10% of his net taxable profit, i.e., 12,000 euros per year. By adding unused ceilings from the past 3 years (since he had no PER), he can contribute up to 48,000 euros in the first year under the catch-up provision.
Contribution plan:
- Year 1: exceptional contribution of 40,000 euros on Nicolas's PER (ceiling catch-up) + 8,000 euros on Virginie's PER
- Subsequent years: 12,000 euros/year for Nicolas + 3,000 euros/year for Virginie = 15,000 euros/year
Nicolas opts for Linxea Spirit PER for its lowest-in-market management fees (0.50%) and its very broad investment universe.
Year 1 tax savings:
- Nicolas: 40,000 x 41% = 16,400 euros
- Virginie: 8,000 x 30% = 2,400 euros
- Year 1 total: 18,800 euros in tax savings
The couple's tax bill drops from 28,000 euros to approximately 9,200 euros in this first year, a reduction of more than 67%.
Subsequent years' tax savings:
- Nicolas: 12,000 x 41% = 4,920 euros
- Virginie: 3,000 x 30% = 900 euros
- Annual total: 5,820 euros in tax savings
Step 2: Restructure Nicolas's life insurance
The 9-year-old policy is 100% in euro funds, averaging 2.5% return in recent years, barely covering inflation. Nicolas switches to a diversified allocation:
- 30% euro funds (18,000 euros): safety foundation
- 40% global equity ETFs (24,000 euros): growth via MSCI World ETF
- 20% SCPI within life insurance (12,000 euros): regular yield (~4.5%/year)
- 10% bond ETFs (6,000 euros): portfolio stabilization
Estimated return: 5.2% net of fees (versus 2.5% with 100% euro funds). Over 20 years, this allocation optimization will represent approximately 45,000 euros in additional gains.
Step 3: Set up regular life insurance contributions
Nicolas contributes 1,000 euros per month to his life insurance (in addition to 1,000 euros/month on the PER). Virginie contributes 250 euros/month to hers. Total: the couple saves 2,250 euros per month, or 27,000 euros per year, split between PER (15,000 euros) and life insurance (15,000 euros).
Why combine PER and life insurance: Nicolas's worked example
Suppose Nicolas has 15,000 euros to invest. If he puts it all in the PER, he saves 15,000 x 41% = 6,150 euros in tax, but funds are locked until retirement and taxed at exit. If he puts it all in life insurance, no deduction but total liquidity and light exit taxation. The optimal strategy is to contribute the maximum deductible to the PER (12,000 euros, saving 4,920 euros) and the balance to life insurance (3,000 euros, preserving liquidity). The PER is the "tax deduction machine," life insurance is the "liquid safe." Together, they cover all time horizons.
Step 4: Reinvest the tax savings
The 5,820 euros annual saving is not spent but systematically reinvested: 3,000 euros on life insurance and 2,820 euros on savings accounts to maintain a comfortable liquidity reserve. Over 20 years, compounding these 3,000 euros annually at 5% will generate an additional capital of approximately 100,000 euros.
The numbers: projection at 10 and 20 years
Couple's PER
Assumption: 5.5% net return (balanced dynamic allocation).
| Horizon | Cumulative contributions | Estimated value | Cumulative tax savings |
|---|---|---|---|
| Year 1 | 48,000 euros | 50,600 euros | 18,800 euros |
| 5 years | 108,000 euros | 130,400 euros | 42,080 euros |
| 10 years | 183,000 euros | 257,800 euros | 71,180 euros |
| 20 years | 333,000 euros | 638,200 euros | 129,380 euros |
At retirement, the couple's PER would be worth approximately 638,000 euros, and cumulative tax savings would reach 129,380 euros. The government will have financed nearly 39% of their retirement savings effort.
Couple's life insurance
Assumption: 5% net return.
| Horizon | Capital contributed | Estimated value |
|---|---|---|
| 5 years | 160,000 euros | 192,400 euros |
| 10 years | 235,000 euros | 341,600 euros |
| 20 years | 385,000 euros | 772,800 euros |
Total assets at age 62
| Asset | Estimated value |
|---|---|
| PER | 638,000 euros |
| Life insurance | 772,800 euros |
| Primary residence | 420,000 euros |
| SCI (practice premises) | 350,000 euros |
| Savings accounts | 60,000 euros |
| Total | 2,240,800 euros |
Nicolas will be a millionaire at retirement, with liquid financial assets exceeding 1.4 million euros (PER + life insurance + savings). The tax optimization strategy not only reduced his annual tax burden by nearly 6,000 euros but was also the primary engine of his wealth building.
PER exit at retirement: which scenario?
At retirement, Nicolas and Virginie will have modest pensions. Nicolas's CARCDSF pension (dental surgeons' pension fund) will provide approximately 2,200 euros per month. Virginie will receive approximately 1,300 euros from the general regime. Combined pension: approximately 3,500 euros per month. Their TMI will drop to 30% or even 11% depending on deduction and optimization assumptions.
Fractional capital withdrawal from the PER
Rather than a lump-sum exit (which would spike the TMI), Nicolas will make fractional withdrawals of 30,000 euros per year.
The TMI gap between entry (41%) and exit (11-30%) generates a real tax gain:
- Savings at entry: 12,300 euros (30,000 x 41%)
- Tax at exit: 3,300 to 9,000 euros (30,000 x 11-30%)
- Net annual gain: 3,300 to 9,000 euros
Over 20 years of gradual withdrawal, this TMI differential represents a cumulative tax gain of 66,000 to 180,000 euros.
Combined retirement strategy
The couple will have a total monthly income of:
- Pensions: 3,500 euros
- PER withdrawals: 2,500 euros (30,000/12)
- Life insurance withdrawals: 2,000 euros
- Monthly total: 8,000 euros
This is a very comfortable standard of living, made possible by 20 years of disciplined saving and tax optimization.
Mistakes Nicolas avoided
Not contributing beyond the PER ceiling
Excess contributions beyond the ceiling do not qualify for the tax deduction. Nicolas rigorously checks his available ceiling each year on his tax notice (boxes 6NS/6NT/6PS/6PT).
Not forgetting ceiling pooling
A married couple can pool their PER ceilings. If Nicolas has exhausted his, he can use Virginie's (and vice versa). This option must be checked on the tax return (box 6QR).
Not neglecting diversification
With a dental practice and its SCI, Nicolas was overexposed to professional real estate (83% of his assets). The PER and life insurance provide essential diversification toward financial markets.
The specific risk for liberal professionals
The death or disability of a liberal professional has a far heavier financial impact than for an employee. The practice loses all its value if the practitioner can no longer work. Nicolas has taken out supplementary death and disability insurance (Madelin contract) and has begun diversifying his assets toward liquid financial assets, independent of his professional activity.
Impact on the tax return: practical guide
The PER deduction applies directly to taxable income, making it simple to implement:
- In January: check the available ceiling on the latest tax notice (boxes 6NS and 6PS for Nicolas, 6NT and 6PT for Virginie)
- January to November: make scheduled monthly contributions (1,000 euros/month)
- In December: adjust with a supplementary contribution if the ceiling has not been reached
- In May-June: declare PER contributions on the tax return (box 6NS)
- In September: note the tax reduction on the tax notice and reinvest the savings
The withholding tax is automatically adjusted after the first return including PER contributions, allowing the tax saving to be enjoyed in real time from the second year onward.
Key takeaways
Nicolas's case illustrates tax optimization for high earners with surgical precision:
- At a 41% TMI, the PER generates savings of 4,920 euros per year minimum (12,000 x 41%) for Nicolas alone
- Ceiling catch-up in the first year allows an exceptional 18,800 euro saving, reducing the couple's tax by 67%
- The TMI differential between entry (41%) and exit (11-30%) creates a cumulative real tax gain of 66,000 to 180,000 euros over the retirement period
- Life insurance diversification (shifting from 100% euro funds to a dynamic allocation) generates approximately 45,000 euros in additional performance over 20 years
- Combined with life insurance, financial assets can reach 1.4 million euros at retirement, providing a total monthly income of 8,000 euros
- Systematic reinvestment of the tax savings (3,000 euros/year) generates an additional 100,000 euros in capital over 20 years
- Choosing a low-fee PER contract (0.50% at Linxea Spirit PER) rather than a bank contract (0.80-1%) saves between 15,000 and 25,000 euros over 20 years
The key point: the higher the TMI, the more effective the PER. At 41%, each euro contributed to the PER actually costs only 59 cents. At 45% (the next bracket), this cost drops to 55 cents. This is the most powerful tax lever available to high-income taxpayers, and it would be irrational not to use it.
This article is published for informational purposes and does not constitute personalized investment advice. Past performance does not guarantee future results. Projections are based on return assumptions that may not materialize. Rates, fees, and tax ceilings indicated are those in effect at the time of writing and are subject to change. Before making any investment decision, consult a qualified financial advisor.