Your total retirement investments
$
How long your portfolio needs to last
Percentage of portfolio withdrawn annually
2.5%4%6%
Portfolio split (stocks/bonds)
$40,000
Annual Withdrawal Amount
$3,333
Monthly Income
95%
Historical Success Rate
30
Years of Income
$1.2M
Total Withdrawals
Portfolio Survival Probability
95%

Based on historical data, your portfolio has a 95% chance of lasting 30 years at this withdrawal rate.

Withdrawal Rate Comparison
RateAnnualMonthlySuccess
3.0%$30,000$2,50099%
3.5%$35,000$2,91798%
4.0%$40,000$3,33395%
4.5%$45,000$3,75085%
5.0%$50,000$4,16775%
Portfolio Value Over Time (Simulated)

Understanding Safe Withdrawal Rate

The Safe Withdrawal Rate (SWR) is the percentage of your portfolio you can withdraw annually with high confidence it will last your entire retirement. The famous "4% rule" comes from the Trinity Study, which analyzed historical returns from 1926-1995.

Annual Withdrawal = Portfolio Value × Withdrawal Rate

Key findings: A 4% initial withdrawal rate, adjusted for inflation, had a 95%+ success rate over 30-year periods with a 50-75% stock allocation. Lower rates (3-3.5%) are recommended for 40+ year retirements or those wanting extra safety margin.

Disclaimer: This calculator is provided for educational and informational purposes only. Results are estimates based on the inputs you provide and may contain errors or inaccuracies. This tool does not constitute professional financial, investment, or tax advice. Individual circumstances vary, and you should consult with a qualified financial advisor, accountant, or other professional before making any financial decisions. We make no guarantees regarding the accuracy, completeness, or reliability of the calculations or results provided.

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