3-Fund Portfolio Safe Withdrawal Rate Calculator

Historical performance and safe withdrawal rate analysis for the 3-Fund Portfolio. See asset allocation, risk metrics, and success rates across different withdrawal strategies and retirement horizons.

The classic Bogleheads 3-fund portfolio: Total US Stock Market, Total International Stock Market, and Total US Bond Market. Simple to manage, broad diversification, and low cost.

Source: Bogleheads.org

CAGR (Annual Return)
7.1%
Maximum Drawdown
-37%

Worst year: -23.9%

Volatility
13.4%

Sharpe: 0.45

Best Year Return
27.2%

Asset Allocation

Historical Performance

MetricValue
CAGR (Annual Return)7.1%
Volatility (Std Dev)13.4%
Maximum Drawdown-37%
Sharpe Ratio0.45
Best Year27.2%
Worst Year-23.9%

Safe Withdrawal Rate Success Rates

Withdrawal Rate30-Year Success40-Year Success
Conservative (3%)100%92%
Moderate (3.5%)98%90%
Standard (4%)92%84%
Aggressive (5%)78%70%
100%30-yr success

Conservative (3%)

98%30-yr success

Moderate (3.5%)

92%30-yr success

Standard (4%)

78%30-yr success

Aggressive (5%)

Calculation Assumptions

  • Historical returns based on backtested data. Past performance does not guarantee future results.
  • Safe withdrawal rate success rates estimated from historical market data and Monte Carlo simulations.
  • Asset allocation weights are percentages of total portfolio.
  • CAGR, volatility, and drawdown figures are approximate based on historical averages for each asset class.
  • Actual results vary based on rebalancing frequency, fees, taxes, and withdrawal timing.

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