Calculateur de Durée de l'Épargne Retraite (Plan de Retrait)

Finance

Estimez pendant combien d'années et de mois votre capital retraite suffira selon vos retraits mensuels, vos rendements et l'inflation.

Input Parameters

Adjust parameters to instantly compute metrics.

€
€
€
%
0 %20 %
%
0 %15 %
ans
30 ans95 ans

Computed Results

Instant
Longévité du Capital Retraite
32 ans et 8 mois

Computed instantaneously in your browser with verified mathematical precision.

Calculation Breakdown

Diagnostic de ViabilitéRisque Modéré
Âge Estimé d'Épuisement du CapitalÀ l'âge de 97
Taux de Retrait Net Initial4.8%
Montant Total des Retraits Estimé$1,188,266.00
Gains et Intérêts Générés$688,266.00

Formula Transparency

Portfolio Drawdown & Longevity Formula

Balance(t) = Balance(t-1) * (1 + r_monthly) - Net_Withdrawal(t)

Compounds remaining savings balance monthly while subtracting inflation-adjusted living expenses and crediting outside retirement income.

Variable Definitions & Glossary

BalanceRetirement Portfolio Value

Total current nest egg across 401(k), IRA, and investment accounts.

WithdrawalMonthly Withdrawal

Desired monthly lifestyle spending, increased annually for inflation.

ReturnAnnual Investment Return

Expected annual compounding return on remaining invested assets.

InflationInflation Rate

Annual cost-of-living adjustment rate.

Step-by-step educational solution

1

Starting Portfolio Principal

$500,000
Initial Nest Egg

The initial investment capital available for retirement distributions.

2

Annual Withdrawal Baseline

$42,000 / year
3500 * 12

Baseline annual distributions prior to cost-of-living inflation adjustments.

How to Think About This Calculation

Determine exactly how many years and months your retirement savings will last based on your monthly spending, investment growth, and inflation.

Core methodology
  • 1.Enter your total starting retirement savings across all accounts.
  • 2.Specify your monthly spending requirement and any guaranteed income (like Social Security).
  • 3.Set realistic investment return and inflation assumptions.
  • 4.Review your savings longevity, depletion age, and initial withdrawal rate sustainability.
Professional tips
  • Benchmark your plan against the 4% rule: withdrawing 4% or less of your initial nest egg historically sustains portfolios for 30+ years.
  • Maintain 2 to 3 years of living expenses in short-term cash or bonds to avoid having to sell equities during market downturns (sequence of returns risk).
Common pitfalls
  • Underestimating long-term inflation, which can significantly erode purchasing power over a 25 to 30 year retirement horizon.
  • Assuming steady, linear investment returns without planning for market volatility in early retirement years.
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Ce simulateur modélise la pérennité d'un capital retraite lors de la phase de rente ou de retraits programmés. En France, la retraite obligatoire par répartition (CNAV/Agirc-Arrco) assure le socle de base, tandis que les retraits d'un Plan d'Épargne Retraite (PER) ou d'une assurance-vie bénéficient d'abattements spécifiques après 8 ans et d'une fiscalité allégée.

Frequently asked questions

Common Questions about Retirement Drawdown

Qu'est-ce qu'un taux de retrait prudent ?
Le consensus économique recommande de ne pas prélever plus de 3,5 % à 4 % de son capital financier la première année de retraite pour garantir sa survie sur plus de trois décennies.
Faut-il opter pour une rente viagère ou des rachats programmés ?
Les rachats programmés offrent flexibilité et transmissibilité du capital restant aux héritiers, tandis que la rente viagère sécurise un revenu garanti jusqu'au décès mais aliène définitivement le capital.
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Educational Guides & Related Articles

Read our expert-reviewed articles to learn more about the concepts, formulas, and practical advice related to Retirement Drawdown.

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