On September 8, the American Retirement Association released an economic study, Hidden in Plain Sight, reporting that middle-income workers get the best deal in the retirement system. Workers earning $50,000 to $100,000 pay just 9.1% of federal income taxes but receive more than 30% of retirement tax benefits, and hold more than 60% of all defined contribution accounts. Households earning above $200,000 pay 71.4% of federal income taxes but receive only 16.7% of retirement tax benefits.
Ten days earlier, coverage of the same policy question cited a very different picture. The Tax Policy Center has found that 80% of retirement savings tax subsidies flow to households earning more than $100,000, with the lowest-earning quintile receiving 1%. The Bipartisan Policy Center found the top-earning 20% captured 58% of federal retirement tax incentives — roughly $160 billion.
Both sets of numbers can be true at once. Understanding why is genuinely useful, because it tells you which part of your own 401(k) benefit is doing the work.
The Two Studies Measure Different Things
The disagreement is about the denominator.
Absolute dollars. The Tax Policy Center and Bipartisan Policy Center measure the tax expenditure itself — total revenue the Treasury forgoes, sorted by who receives it. A deduction's value is your contribution multiplied by your marginal rate. Someone in the 32% bracket deferring $24,500 shelters far more tax than someone in the 12% bracket deferring $4,000. Higher earners also contribute more and participate at higher rates. Measured in dollars, the benefit concentrates upward. That is arithmetic, not spin.
Benefit relative to taxes paid. The ARA divides retirement tax benefits by federal income taxes paid. Because the top of the income distribution pays the overwhelming majority of federal income tax, that ratio flips. By this measure, low-income workers receive nearly eight times more in retirement tax benefits than they pay in federal income tax.
Neither framing refutes the other. One asks where do the dollars go; the other asks who gets the most back for what they put in. Note also that the ARA is the retirement industry's trade association, and the TPC and BPC figures rest on 2017 and 2019 data respectively — worth weighing on both sides.
The Employer Match Is the Part That Doesn't Depend on Your Bracket
The ARA credits its result substantially to employer matching and nonelective contributions, and this is the practical heart of the matter.
The deduction scales with your marginal rate. The match does not. A 50% match on 6% of pay is worth 3% of pay whether you are in the 12% bracket or the 35% bracket. For a middle-income saver, the match is usually a larger benefit than the deduction — which is exactly why leaving it uncaptured is the costliest common mistake in a 401(k).
Practical Takeaways
- Fund to the full match before anything else. It is the one piece of the benefit that a low tax bracket cannot shrink.
- Value your deduction honestly. Multiply your deferral by your marginal rate. If that number is small because your bracket is low, the traditional deduction is doing less for you than you may assume.
- A low bracket argues for Roth. When the deduction is worth little today, paying tax now to make growth permanently tax-free is often the stronger trade.
- Watch the policy debate. The Joint Committee on Taxation puts the five-year cost of the retirement contribution exclusion near $2 trillion for fiscal 2025–2029. Numbers that large attract proposals to cap deductions or push savings toward Roth treatment, and which framing lawmakers accept will shape those proposals.
The competing headlines are not a reason to distrust either study. They are a reminder to ask what any statistic is divided by — and, for most savers, to go get the match.
Sources: American Retirement Association, Hidden in Plain Sight (reported by 401(k) Specialist, September 8, 2026); Tax Policy Center; Bipartisan Policy Center; Joint Committee on Taxation.