Safe Withdrawal Rates in 2026:
The 30, 40, 50, and 60-Year Matrix
Compare 30, 40, 50, and 60-year retirement horizons before you trust a rule of thumb. These numbers are years in retirement, not your age.
The SWR Success Matrix
Start with the table. If your retirement could run 50-60 years, the classic 4% rule carries more risk than the original 30-year framing suggests.
30/40/50/60 columns are retirement horizons, not ages; cells show modeled success rates (%). The original Trinity Study tested 15-, 20-, 25-, and 30-year periods from 1926-1995, not 40-60-year retirements.
| Withdrawal Rate | 30-year retirement | 40-year retirement | 50-year retirement | 60-year retirement |
|---|---|---|---|---|
| 3.0% | 100% | 100% | 100% | 100% |
| 3.5% | 100% | 99% | 98% | 97% |
| 4.0% | 95% | 89% | 85% | 82% |
| 4.5% | 86% | 78% | 72% | 68% |
Why 30 Years Isn't Enough
The popular 4% framing is rooted in traditional retirement planning and the Trinity Study's maximum 30-year payout period. In that study's CPI-adjusted results, a 50% stock/50% bond portfolio using a 4% initial withdrawal succeeded in 95% of overlapping 30-year periods. If you are part of the FIRE (Financial Independence, Early Retirement) movement and retire at 35 or 45, you may 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.
Key Insights for Early Retirees
- The 3.5% "Safe Haven": For those looking for near-certainty over a 50-year horizon, 3.5% leaves more margin than 4% in this extended-horizon model.
- The 4% Risk:While 4% is often cited as safe for 30-year planning, it carries an ~18% failure risk over 60 years in this model. 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. Test your withdrawal rate against market volatility and see how your portfolio holds up across thousands of Monte Carlo runs.
Safe Withdrawal Rate Matrix FAQ
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.