Most retirement conversations start with the same question: what will the market do? It is understandable. Market swings are visible, they make headlines, and they feel urgent. But for many disciplined savers approaching or in retirement, taxes represent an equal—or greater—long-term threat to retirement security. And unlike market volatility, taxes are something you can actually do something about.
That is not an argument to ignore investment risk. It is an argument to take retirement tax planning just as seriously—because the two are deeply connected, and because the window to act is narrower than most people realize.
The Problem With Focusing Only on Market Risk
A 20% market decline is painful and visible. It shows up on your statement. It generates news coverage. It prompts conversations with advisors. And over time, a well-built portfolio has historically recovered.
A poorly managed tax strategy, by contrast, works quietly—year after year, in small but compounding ways. It shows up not as a dramatic drop on a statement but as a slightly smaller check, a higher Medicare premium, a larger tax bill in April. Over a 20 or 30-year retirement, those small differences can easily rival the impact of a significant market downturn.
The key difference: you cannot control what the market does. You can control—or at least meaningfully influence—how much of your income goes to taxes.
Four Ways Taxes Quietly Erode Retirement Income
1. Ordinary Income Tax on Withdrawals
Most retirement savers have the majority of their wealth sitting in pre-tax accounts—traditional IRAs, 401(k)s, 403(b)s. Every dollar withdrawn from those accounts is taxed as ordinary income in the year it comes out. That means your effective tax bracket in retirement is largely determined by how much you pull from those accounts and when.
For households with $1 million or more in pre-tax savings, this can push effective tax rates surprisingly high—especially once Required Minimum Distributions begin at age 73, whether you need the money or not.
2. The Social Security Tax Torpedo
Social Security benefits are often described as tax-free. In reality, up to 85% of your benefits may be subject to federal income tax, depending on your combined income from other sources. What catches many retirees off guard is how additional portfolio withdrawals can trigger or increase the taxability of Social Security—creating a situation where each extra dollar of income effectively costs more in taxes than the marginal rate suggests.
3. IRMAA Surcharges on Medicare Premiums
IRMAA—the Income-Related Monthly Adjustment Amount—is an additional premium added to Medicare Part B and Part D costs for higher-income beneficiaries. The thresholds are based on your income from two years prior, which means a single year of higher withdrawals can trigger surcharges you pay long after the fact. For some households, IRMAA adds thousands of dollars per year in healthcare costs—an indirect tax that rarely appears on a tax return but is very real.
4. Capital Gains and Dividend Taxation
Taxable investment accounts add another layer of complexity. Dividends and realized capital gains are taxed annually, and the rate depends on how long assets were held and what your total income looks like in that year. Without intentional planning, these can push you into higher tax brackets or above IRMAA thresholds without any change in your actual lifestyle spending.
The Retirement Tax Window Most People Miss
For many retirees, the years immediately following retirement—before Social Security benefits begin and before Required Minimum Distributions kick in—represent a unique and valuable planning window. Income in those years is often lower than it will ever be again in retirement.
That window creates an opportunity to take deliberate action: drawing from pre-tax accounts strategically, completing Roth conversions at favorable rates, harvesting capital gains at lower or even zero percent rates, and managing future RMD exposure before it becomes unavoidable.
Once Social Security begins and RMDs arrive, that flexibility is largely gone. The window does not wait.
Tax Planning Is Not Tax Filing
There is an important distinction between tax filing—reporting what happened last year—and tax planning, which is about shaping what will happen in the years ahead.
Most people are familiar with the former. A CPA or tax preparer reviews your income, applies the appropriate rules, and files your return. That is valuable and necessary. But it is backward-looking by nature. What it cannot do is reduce what you owe.
Forward-looking retirement tax planning asks different questions:
- How do we manage taxable income across years to stay in favorable brackets?
- When should we begin drawing from pre-tax accounts to reduce future RMD exposure?
- Does a Roth conversion strategy make sense, and over how many years?
- How do we coordinate Social Security timing with withdrawals to minimize the taxation of benefits?
- Are we managing our income to stay below IRMAA thresholds?
These questions cannot be answered on April 15th. They require planning throughout the year and across multiple years.
What Proactive Retirement Tax Planning Looks Like
Effective retirement tax planning is not about finding loopholes. It is about sequencing decisions in a way that reduces lifetime tax exposure rather than minimizing any single year’s bill.
For most retirees with $1 million or more in investable assets, a tax-aware retirement plan typically includes:
- A withdrawal sequencing strategy: a deliberate order for pulling from taxable, pre-tax, and Roth accounts over time.
- Roth conversion planning: converting pre-tax dollars during lower-income years to reduce future RMD pressure and create tax-free income later.
- Social Security coordination: timing benefits to reduce the portion subject to income tax and avoid IRMAA triggers.
- Capital gains management: harvesting gains at favorable rates and using losses strategically to offset income.
- Annual bracket management: monitoring total income across sources to stay in the most favorable tax position each year.
Each of these strategies is explored in more depth in the posts that follow in this series. Together, they form a retirement tax plan—not just a tax return.
The Takeaway: Control What You Can Control
You cannot control whether markets go up or down in the next 12 months. A well-designed investment strategy, a good behavioral framework, and a long time horizon are the best tools available for managing that risk.
But taxes are different. The rules are knowable. The planning window is real. And the decisions you make in the five to ten years around retirement can meaningfully change how much of your own money you actually get to use.
That is a rare thing in retirement planning: a significant source of risk that responds directly to thoughtful action.
FAQ: Are Taxes Really Worse Than Market Risk in Retirement?
Taxes and market risk are both real threats to retirement security, but they operate differently. Market risk is largely outside your control—a well-structured portfolio and long-term discipline are the primary tools. Tax risk, by contrast, is highly manageable with proactive planning. For retirees with significant pre-tax savings, the cumulative impact of taxes over a 20- or 30-year retirement can rival the impact of a major market decline. The key difference is that you can do something about it.
If you are approaching retirement and want to understand how taxes will affect your income—and what steps you can take now to reduce your lifetime tax exposure—a clear plan makes a real difference.
Schedule a complimentary retirement tax planning consultation with our office. We will map out your projected tax exposure across accounts, identify your planning window, and show you which strategies apply to your situation.
