What Age Can I Retire Calculator: Odds From Your Savings

Workers expect to retire at 65. Retirees actually stopped at 62. That three-year gap comes from the 2026 EBRI Retirement Confidence Survey, as reported by Moneywise, and it's the reason a good what age can I retire calculator matters. The age you plan for and the age you actually stop working often aren't the same. So the useful question isn't "what age do I want?" It's "at what age do my savings hold up, even if things don't go to plan?"

Here's the short answer, then the details.

The short answer: when can you retire?

No single age works for everyone. You can retire at the earliest age where your savings, plus income like Social Security, cover your spending for a long life, in most of the futures the markets might hand you.

Three things decide that age more than anything else:

• How much you've saved
• How much you spend each month
• How long the money has to last

The honest answer is a probability, not a date on the calendar. "At 62, your plan stays funded in 85 of 100 futures" tells you far more than "you can retire at 62." That's not a real result, just an example of the format.

Why most "what age can I retire" calculators give false precision

Most calculators assume your investments earn the same return every year and then hand back one age. NerdWallet's defaults, for example, are a 6% return before retirement, 5% after, 3% inflation and a life expectancy of 95, according to The Modern Wallet's 2026 comparison of retirement calculators. The same review notes that SmartAsset's tool doesn't model volatility or market losses.

Those tools have their uses. A fixed-return projection is a quick way to see whether you're roughly in range. But real markets don't deliver an average return in a straight line. They jump around, and the order of good and bad years matters a lot once you start withdrawing. A steep drop in your first few years of retirement can do lasting damage, even if the long-run average comes out fine.

One fixed rate gives you one age that looks precise and isn't. What it can't tell you is how likely you are to succeed if you retire at 60, 62 or 65.

How a Monte Carlo calculator answers the age question

"Monte Carlo" sounds like jargon. The idea is simple.

Instead of assuming one average return, a Monte Carlo simulation plays out your plan many times, each with a different sequence of market years: some calm, some rough, some awful early on. Then it counts how many of those runs end with money still in the account.

That count is your success rate.

Monte Climb runs your savings through 1,000 simulated futures and reports how many of them stay funded. If 900 of 1,000 last to the end of the plan, you have a 90% success rate. It isn't a guarantee. It's a measure of how robust your plan is across a wide range of outcomes.

This is how serious research judges retirement plans too. Morningstar's 2025 research puts the safe starting withdrawal rate at 3.9%, defined as the rate where money is still there in 90% of simulated outcomes over a 30-year retirement. It's judged by survival, not by an average return. (Source: Morningstar, The State of Retirement Income 2025, Dec 2025.)

The three numbers that decide your retirement age

You don't need a spreadsheet to get a first answer. Three numbers will do.

Spending deserves extra attention. EBRI's 2025 Retirement Confidence Survey found that only 52% of workers have estimated the monthly income they'll need in retirement, so 48% are guessing. (Source: EBRI/Greenwald Retirement Confidence Survey 2025, Fact Sheet 3.) If you don't know your spending number, start there. It affects your retirement age more than almost anything else.

A rough illustration of why, with some simple arithmetic: at Morningstar's 3.9% starting rate, each $10,000 of yearly spending drawn from savings takes about $256,000 of portfolio to support. Cutting monthly spending by a few hundred dollars can move your realistic retirement age noticeably. Treat that as a back-of-envelope sense check. A simulation of your actual numbers will tell you more.

Four risks a good retirement calculator should price in

A calculator that leaves these out will tend to tell you you're readier than you are.

1. Living longer than you expect

According to the Social Security Administration, about one in three 65-year-olds may live to at least 90. (Source: Social Security Administration, Retirement Information for Medicare Beneficiaries, 2026.) A plan that stops at 85 quietly bets against a third of retirees. That's why the plan you build with Monte Climb runs to age 95 by default, and you can push it further.

2. Health care costs

Fidelity estimates that a 65-year-old retiring in 2025 will need $172,500 for Medicare premiums, deductibles and prescriptions over retirement, and that figure leaves out long-term care entirely. (Source: Fidelity Investments, 2025 Retiree Health Care Cost Estimate, Jul 2025.) That's a line item, not a rounding error. Monte Climb's engine charges Medicare premiums and income-based surcharges year by year rather than using a flat guess.

3. Withdrawing too fast

Your withdrawal rate is how much you take out of savings each year as a share of the total. The higher it is, the less room your plan has for bad markets. Morningstar's 3.9% figure is a useful benchmark for a 30-year horizon. If your plan needs a much higher rate, expect the odds to drop.

4. Stopping work before you planned to

This is the risk most calculators skip. As reported by Moneywise, the 2026 EBRI survey found 46% of retirees stopped earlier than planned. Common reasons were a health problem (41%) and a change at their company (35%). Other surveys point the same way:

• Gallup (April 2026): average actual retirement age 61, expected age among non-retirees 66, per Clark.com.
• Allianz Life (May 2026): 42% of retirees left work earlier than planned, per Rehmann.

So test the age you hope to retire at, and test a few years earlier as well. Break your plan on purpose, before life does.

Retirement age vs. Social Security claiming age

These are two separate decisions, and mixing them up is a common mistake.

• Full retirement age runs from 65 for people born before 1938 to 67 for people born after 1959, according to Capital Group. Reduced benefits can generally start at 62.
• Claiming at 62 permanently cuts your benefit by about 30% if your full retirement age is 67. Each year you delay past full retirement age, up to 70, adds about 8% through delayed retirement credits (Fox6Now). Check your own figures on ssa.gov.

You can stop working at one age and claim at another. Retiring at 62 and delaying benefits means your savings carry the whole load for several years, then get relief from a larger monthly check later on. Whether that trade improves your odds depends on your numbers, which is exactly what a simulation is for.

How to use a calculator to find your realistic retirement age

A simple routine works well:

1. Get a baseline. Enter your age, savings and monthly spending and note your success rate.
2. Try several ages. Compare 60, 62, 65 and 67. Watch where the success rate levels off.
3. Adjust spending. See how much a smaller monthly budget improves your odds at an earlier age.
4. Stress-test an early exit. Assume you stop working three years earlier than you'd like. Does the plan still hold?
5. Choose a success rate you can live with. Morningstar uses 90% as its benchmark. Where you set your own threshold is your call.

If you'd rather talk it through, you can ask William, Monte Climb's AI planner, questions like "Am I on track?", "Can I retire at 62?" or "What's a sustainable spend?" Talk to him like you would a friend. One reminder: this is planning software, not advice. For a personal recommendation, speak to a qualified professional.

Run your own numbers

You can read about averages all day, but your retirement age depends on your own numbers. Enter your age, what you've saved and what you spend each month, and Monte Climb runs them through 1,000 simulated futures and gives you one clear answer. It runs in your browser, and nothing is saved until you say so.

When can you actually retire? Show my answer →

Frequently asked questions

What age can I retire with my current savings?

It depends mainly on three numbers: your age, how much you've saved and how much you spend each month. The realistic answer is the earliest age where your savings, plus income such as Social Security, keep your plan funded through a long life in most simulated market outcomes. A Monte Carlo calculator shows this as a success rate rather than a single guaranteed age.

How is a Monte Carlo retirement calculator different from a regular one?

Most calculators assume one fixed return every year and give you a single age. A Monte Carlo calculator plays out your plan across many different market sequences, including bad years early in retirement, and reports the share of outcomes where your money lasts. That gives you a probability of success instead of one projection that looks more precise than it is.

What success rate should I aim for in retirement planning?

There's no universal rule. Morningstar's 2025 research uses 90% as its benchmark: it sets the safe starting withdrawal rate at 3.9% because money survives in 90% of simulated outcomes over 30 years. Where you set your own threshold is a personal decision, and you may want a professional's input on it.

Can I retire at 62?

Possibly, but it depends on your savings and spending. Retiring at 62 means a longer retirement to fund, and if you also claim Social Security at 62 with a full retirement age of 67, your benefit is permanently reduced by about 30%. Many people test retiring at 62 while delaying their claim, then compare the success rates.

How long should a retirement plan last?

Longer than many people assume. According to the Social Security Administration, about one in three 65-year-olds may live to at least 90. That's why many calculators, including Monte Climb, plan to age 95 by default.