Safe Withdrawal Rates in 2026:
The 30, 40, and 50-Year Matrix
The original Trinity Study changed how we think about retirement. But for the FIRE community, 30 years is just the beginning.
Why 30 Years Isn't Enough
The "4% Rule" was designed for traditional retirees—people leaving the workforce at 65 and planning for a 30-year horizon. If you are part of the FIRE (Financial Independence, Early Retirement) movement and retire at 35 or 45, you need your portfolio to last 50 or even 60 years.
Over these extended timelines, the failure rate of a 4% withdrawal increases significantly. Small differences in your initial withdrawal rate can be the difference between a growing nest egg and a depleted portfolio.
The SWR Success Matrix
Below is the updated matrix showing the historical success rates of various withdrawal rates across different time horizons. These figures assume a diversified portfolio (typically 75% stocks, 25% bonds) and inflation-adjusted withdrawals.
| Withdrawal Rate | 30 Years | 40 Years | 50 Years | 60 Years |
|---|---|---|---|---|
| 3.0% | 100% | 100% | 100% | 100% |
| 3.5% | 100% | 99% | 98% | 97% |
| 4.0% | 95% | 89% | 85% | 82% |
| 4.5% | 86% | 78% | 72% | 68% |
Key Insights for Early Retirees
- The 3.5% "Safe Haven": For those looking for near-certainty over a 50-year horizon, 3.5% has historically been the sweet spot.
- The 4% Risk:While 4% is often cited as safe, it carries an ~18% failure risk over 60 years. This is why many FIRE practitioners use "guardrails" to adjust spending during market downturns.
- Sequence of Returns:The biggest threat to a 50-year retirement isn't the average return, but the returns in the first 5-10 years.
Test Your Own Numbers
Don't rely on averages. Run your specific portfolio through every historical market cycle since 1871 using our advanced backtesting engine.
Written by The InvestingFIRE Team
We are a group of financial data enthusiasts and early retirees dedicated to building the most accurate FIRE tools on the web. Our goal is to replace guesswork with math.