A retirement plan is not a one-time document. Markets change, spending changes, tax rules change, and life circumstances change. A simple annual review keeps the plan current and prevents small drifts from becoming large problems. The goal is not to rebuild everything from scratch every December. The goal is to update the numbers, re-test the plan under stress, and choose one or two adjustments you will actually complete.

Schedule this review once a year. Many people choose a birthday, tax season, or the first week of January. Put it on the calendar like any other important appointment. Work through the items with your spouse or partner if you share finances. Write down results so next year you are comparing to something real rather than to memory.

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Why a yearly review beats a once-and-done plan

Without a review, contribution rates slip, beneficiaries go stale, and spending assumptions age out of reality. A plan that was solid three years ago can become fragile after a job change, a market swing, or a quiet rise in lifestyle costs. The annual review is how you keep pressure from accumulating in the dark.

It is also how you use the calculator as a teacher rather than a one-time curiosity. Each year you feed it better inputs. Each year you learn which levers move your success rate the most - spending, timing, contributions, or other income.

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1. Update your numbers

• Current balances of all retirement and investment accounts, including old workplace plans.
• Current annual contribution rate and any employer match you are capturing.
• Updated estimates of Social Security and pension income, with claim or start ages.
• Current or projected retirement spending need in today’s dollars.
• Major changes in debt, emergency funds, or expected work income.
• Large one-time goals (home projects, family support, travel) that should be explicit in the plan.

Incomplete numbers produce false comfort. If an account is missing, the projection is not about your real life.

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2. Re-run the projections

• Enter updated numbers into the growth projection and retirement stress-test tools on this site.
• Record success rate, median ending balance, and 10th percentile.
• Test a more conservative mean return and a higher spending level to see sensitivity.
• Compare with last year’s notes if you kept them.

Change one assumption at a time when you stress the plan. If you change spending, returns, and retirement age together, you will not know what drove the new result.

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3. Check structural items

• Beneficiaries on retirement accounts and life insurance still match your intentions.
• Tax withholding or estimated payments still fit if you are already withdrawing.
• Healthcare coverage path still matches your timeline to Medicare.
• Accounts are not scattered across forgotten plans without a reason.
• Estate documents and powers of attorney still reflect current wishes.

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4. Choose one or two actions

A review that produces a long unresolved list often produces no change. Pick the actions that most improve readiness:

• Raise contributions by a fixed monthly amount.
• Lower planned retirement spending after a realistic budget check.
• Model delaying retirement by a year and evaluate the tradeoff.
• Schedule beneficiary or consolidation tasks with a deadline.
• Build or top up a cash buffer for early-retirement sequence risk.

Write the action, who owns it, and the date. Revisit it at the next review.

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A simple example

Suppose last year’s review showed an 82% Monte Carlo success rate at $55,000 of annual portfolio-supported spending. This year balances are higher, but you also plan more travel. You update balances, raise spending to $60,000, and the success rate falls to 71%. The review did its job: it showed the travel plan has a cost in portfolio resilience. You might keep the travel by delaying retirement six months, trimming other flexible categories, or accepting a lower success rate with open eyes - but you are no longer guessing.

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Review habits that look thorough but change nothing

• Skipping the review because markets were “fine.”
• Updating balances without re-testing spending and success rate.
• Changing five assumptions at once.
• Ignoring beneficiaries until a crisis forces the issue.
• Taking no action after a clear warning from the stress test.

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Schedule next year's review now

Put next year’s review date on the calendar before you close this checklist. Run the calculator with this year’s numbers this week. Store a one-page note: balances, spending assumption, success rate, 10th percentile, and your priority action.

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Keeping a one-page review log

Create a simple note you update every year with the same fields: date of review, total investable balances, planned retirement age, annual spending assumption, other income, Monte Carlo success rate, 10th-percentile ending balance, mean return and volatility used, and the single priority action for the next twelve months. Store it where you will find it next year. The log turns the review into a time series instead of a forgotten conversation.

If you share finances with a spouse or partner, both of you should be able to explain the current plan in plain language - balances roughly, spending target, and the main risk you are watching. Shared understanding is part of readiness.

Keep the plan current with a short ritual

An annual review is a small ritual with outsized effects. It turns retirement planning from a vague worry into a maintained system - a practical step from pressure toward peace.

This article is for educational purposes only and is not financial advice. Always consult a qualified advisor for decisions about your personal situation.