Ask most people what they need for retirement, and you’ll get a number: $1.5 million. $2 million. Some round figure they’ve been chasing for decades. It feels concrete. It feels like the finish line.
But a large balance doesn’t tell you much on its own. Two people can retire with the exact same total savings and end up in very different places ten years later — one comfortable, one anxious about every withdrawal — because the number that actually determines how retirement feels isn’t the total. It’s the monthly number: what you can reliably pull out, month after month, for 30 years, without running dry.
That’s the number worth building a plan around.
Why the Total Number Falls Short
A savings balance answers one question: how much did you accumulate. It says nothing about how much you can safely spend, in what order, or how that spending holds up against a market downturn in year two of retirement instead of year twenty.
This is where sequence-of-returns risk comes in. Two retirees can start with identical balances and identical average returns over 30 years — but if one hits a market downturn early in retirement while withdrawing from the same accounts, and the other doesn’t, their outcomes can diverge sharply. Losing money early, while you’re also pulling income out, does more damage than losing the same amount later — even if the 30-year average looks the same either way.
A smaller balance can actually outlast a larger one. What matters is having a coordinated plan: drawing from the right accounts in the right order, and adjusting withdrawals when markets turn. Size alone isn’t the safeguard people assume it to be.
The Number That Actually Shapes Retirement
The monthly number is the sustainable income your plan is built to produce — the figure that pulls together Social Security timing, portfolio withdrawals, any pension income, and other resources into one coordinated stream.
This is the number that actually shapes retirement. Not the balance sitting in an account, but what shows up, reliably, every month — because that’s what pays for the mortgage, the groceries, the travel, the grandkids’ birthdays. A large total means little if the monthly number isn’t built to last. A modest total, paired with a well-coordinated monthly number, can support the retirement someone actually wants to live.
Reframing the goal this way changes the question people should be asking. Not “did I save enough?” but “how much can I count on, every month, for the next 30 years?”
How the Monthly Number Gets Built
The monthly number isn’t a guess — it’s the output of a few coordinated decisions:
- Time horizon. Retirement plans are generally built around a 30-year horizon, not a rough estimate of how long someone expects to live. Planning for longer than expected is safer than planning for less.
- Withdrawal rate. How much comes out each year, and how that rate interacts with market volatility, shapes whether the plan holds up in a bad decade or just a good one.
- Sequencing. Which accounts get tapped first — tax-deferred, Roth, brokerage — affects both taxes and how long the money lasts.
- Guardrails. A plan that adjusts spending during a down market tends to hold up better than one built around a fixed number that never moves.
None of these decisions happen in isolation. Change one, and the others shift with it — which is why the monthly number comes from a coordinated plan, not a single formula.
This article is educational and general in nature. It isn’t individualized tax, investment, or legal advice — your own situation should be reviewed with a qualified professional before you act.
Why the Monthly Number Changes the Conversation
Once retirement is framed around a monthly number instead of a savings target, planning starts to look different. It’s no longer a single goal to hit and then coast — it becomes an ongoing, coordinated strategy that adjusts as circumstances do.
A few decisions feed directly into that monthly number and shape how far it stretches:
- When Social Security gets claimed, since timing affects the size of that income stream for the rest of retirement.
- Whether and when Roth conversions make sense, since they can shift future tax exposure and change what’s available to withdraw later.
- How required distributions and healthcare costs — including Medicare premium tiers — factor into the plan, since these can quietly affect what’s left to spend each month.
None of these decisions are made once and forgotten. They’re revisited as income, tax law, and life circumstances shift — which is the difference between chasing a balance and managing a monthly number that holds up.
Plan Around the Number That Matters
The idea itself isn’t complicated. The execution is what takes coordination — weighing withdrawal timing, Social Security, taxes, and healthcare costs against each other, all at once, in a plan built to hold up over 30 years. Most people aren’t equipped to juggle all of that on their own, and understandably so — it’s a lot to track, let alone get right, while also just trying to enjoy retirement.
That’s where a second set of eyes helps. If you’d like to see what your own monthly number could look like, you can request a Fit Meeting with Paul Axberg at Axberg Wealth. It’s a conversation designed to look at how the pieces — income timing, withdrawal strategy, tax planning — fit together for your situation, and to help you pursue a retirement income plan built to last.
Disclosures
The opinions expressed herein are not meant to provide specific investment advice or serve as a prediction for future stock market performance. We recommend everyone consult with a financial professional for advice related to their own, individual financial situation or plan. Paul Axberg is an investment advisor representative of, and securities and advisory services are offered through USA Financial Securities, Member FINRA/SIPC. A registered investment advisor located at 6020 E. Fulton St., Ada, MI 49301. Axberg Wealth Management is not affiliated with USA Financial Securities.