Updated August 6, 2026. Quick answer: at five years out almost everything is still reversible. That is the good news and it is also why this page is organised the way it is — not by topic, but by which doors close and when. Most countdown advice is a list of things to think about. The useful version is a list of things that stop being possible, and there are fewer of those than you would expect. One of them lands two years before you have any intention of retiring, and almost nobody counts it.
Why five years is the number
Five years is roughly the last point at which the big levers still move the outcome. Contributions still have time to compound, a mortgage decision still has years to run, and the tax character of your savings can still be changed deliberately rather than in a rush.
It is also long enough to make the countdown mistake that is hardest to reverse: drifting into it. Retirement dates get set by a redundancy, a health event, or a spouse’s decision far more often than by a plan. The point of a five-year view is not to schedule the date — it is to make sure that if the date arrives early, the irreversible pieces were already handled.
If the underlying question is still whether the number works at all, start there instead: can I retire, and the balance-specific answers behind it — $1 million, $2 million, $500k. This page assumes the answer is roughly yes and asks what to do with the remaining time.
T−5 to T−3: the levers that still move
These are the years where money decisions still compound, so they get the money decisions.
- Catch-up contributions, which are age-banded and change as you go — the higher band at 60 to 63 is the one people miss because it appears and then disappears again. See also what catch-up is actually worth and, if you are a higher earner, the Roth catch-up requirement.
- The mortgage question, which is a cash-flow decision rather than a maths one at this range — paying it off before you retire.
- Practising the budget. The single cheapest thing available in these years: live on the retirement number while you still have income to correct with. Build the number, then compare it against what people actually spend and where the gap usually opens.
- The estate documents, which have no deadline and therefore never happen — the checklist. Five years out is when this is cheap and unhurried; it does not get cheaper later.
T−2: the year that prices your Medicare
This is the deadline nobody puts on a countdown, and it is the reason this page is ordered by dates rather than topics.
Medicare premiums are set from your income two years earlier. So the tax year that sits two years before your Medicare start is already, quietly, a decision year — and the things people do right before retiring are exactly the things that spike income in it: a Roth conversion, a business sale, exercising options, taking a lump sum.
The mechanism is on the two-year lookback, and it matters because it is a cliff rather than a slope — a dollar over a threshold costs the whole step. The traps worth knowing before that year, not during it: conversions and IRMAA, why selling a business does not qualify for relief, and what the actual remedy is called when your income has genuinely dropped.
Nothing else on this page has a two-year fuse. This does.
T−1: the operational year
Twelve months out the work changes character — from deciding to arranging. Elections, enrollment windows, and the paperwork that has to happen in a particular order: the one-year-before checklist, with the milestones and deadlines calculator as its tool.
Two decisions in this year are effectively permanent once made, which is why they belong to the year rather than the final scramble: the survivor election on any pension (and what a younger spouse does to it), and any annuitisation of a defined-contribution balance — federal employees have the sharpest version, where the annuity cannot be changed or terminated once purchased.
The final quarter
Ninety days out is logistics, and logistics has deadlines: the 90-day checklist. The two that cause the most damage are health coverage between your last day and Medicare (COBRA versus the marketplace, and the younger-spouse bridge) and the gap before the first payments arrive.
One date deserves naming on its own: which side of the new year your last day falls on can move a full year of income between tax years — December or January.
Where are you actually standing?
A short self-assessment, because the answer changes which section above is yours today. Take the earliest one that is true:
- You do not have a date, or the date is a hope. Then the T−5 block is the whole job, and the only urgent item is the estate documents, which never have a deadline.
- You have a rough year in mind. Count back two years from your Medicare start and put a mark there. If that year contains a conversion, a sale or a large exercise, that is your live decision — before anything on the checklists.
- Your date is inside twelve months. The one-year list is the work; the permanent elections are the part to slow down on.
- Your date is inside a quarter. The 90-day list, and specifically the coverage gap and the first-payment gap.
- Your date moved to next month, not by choice. Then order is everything: coverage first, claiming decisions last — and the mistakes page exists for exactly this situation, because pressure produces the default choices it lists.
If you want someone to check the sequence
The countdown is one of the few planning problems where the value of advice is concentrated and datable: the irreversible elections, the two-year income year, and the coverage bridge. Those are worth a second opinion; a general portfolio review is not what this moment needs.
Go in with your date, the two-year mark, and the elections list from the one-year checklist. Know what advice should cost and what it usually does cost at your balance before you agree to anything ongoing.
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Notes
This page is a front door: it sequences decisions and routes to the pages that work them, and it deliberately restates none of them — each linked page carries its own sources and its own honest gaps. Figures that change annually (contribution limits, IRMAA thresholds, premium amounts) live on those pages rather than here, so that this one does not go stale in a way you cannot see.
Honest gap. The five-year framing is a planning convention, not a rule from anywhere, and nothing on this page is a deadline set by law except where the linked page says so. Public-sector and federal retirements run on their own calendars and windows, and this corridor does not replace them.
See methodology and corrections. General information, not financial advice.