What stock/bond allocation should you have at 55?
There's no single "right" stock/bond split at 55 — it's a trade-off between growth and stability. Running thousands of historical market sequences on a retirement portfolio, a higher stock allocation raises the median result but widens the range of outcomes. Here's the honest picture across allocations.
Monte Carlo outcomes by allocation
Ending balance (today's dollars) across 700 historical-market simulations for a retiree drawing a moderate income. The 10th percentile is the "bad luck" case; the 90th is "good luck":
| Allocation | Downside (10th %ile) | Median | Upside (90th %ile) |
|---|---|---|---|
| 20% / 80% | -$1,497 | $117,641 | $2,498,191 |
| 40% / 60% | $63,688 | $753,755 | $3,242,669 |
| 60% / 40% | $263,101 | $1,790,077 | $4,136,663 |
| 80% / 20% | $649,753 | $3,257,068 | $6,422,357 |
| 100% / 0% | $866,617 | $5,153,750 | $10,011,388 |
How to actually choose
The table shows the trade-off; your allocation should follow from your situation, not a single "best" number:
- Long horizon favors stocks. Over 20–30+ years, inflation is a bigger threat than volatility — too few stocks can quietly fail to keep up. That's why many long retirements still hold 50–70%+ in stocks.
- Sequence risk favors some bonds near retirement. A bond/cash buffer (a "bond tent") lets you avoid selling stocks into an early downturn — the most dangerous moment for a portfolio.
- Match it to your nerves and your floor. If guaranteed income (Social Security, a pension) covers your essentials, you can hold more stocks with the rest. If the portfolio must cover everything, more bonds buy stability.
A common age-based rule of thumb is "110 minus your age in stocks," but it's only a starting point. These figures assume a retiree with modest Social Security drawing a moderate income; a rule of thumb can't see your full picture — model yours in the calculator's Simulation Tools.
Building a bond tent as the date gets closer
Somewhere in your fifties the job shifts from growing the balance to protecting the balance you'll spend first. A bond tent is one response: gradually raise your bond and cash allocation in the years right before retirement, then — counterintuitively — let stocks drift back up once you're a few years in. The extra ballast sits there precisely when a market drop would do the most damage, and it comes back down as that danger fades.
The reason to reverse course is that the most fragile stretch is the handful of years on either side of your last paycheck, when a large loss can force you to sell into a falling market with no new income to offset it.
A rising-equity glide path isn't a rule to follow blindly. The size of the tent depends on how much guaranteed income you'll have and how flexible your spending is. And rebalancing back toward your targets, year after year, is what actually keeps the plan on track rather than drifting with the market.
Common questions
What is the best stock/bond allocation at 55?
There isn't one "best" — it's a trade-off. In this stress test, more stocks raise the median outcome but widen the range of results. A middle allocation (often 50–70% stocks) balances growth against stability; the right choice depends on your horizon, other income, and risk tolerance.
How much should I have in stocks at 55?
A common rule of thumb is "110 minus your age" in stocks (about 55% at 55), but it's only a starting point. Over a long horizon, holding enough stocks to outpace inflation matters as much as limiting volatility.
Is 100% stocks too risky at 55?
It has the highest expected growth but the widest swings, including deep drawdowns. Whether that's "too risky" depends on your time horizon and whether guaranteed income covers your essential spending — if it does, you can tolerate more stock exposure.