Marginal vs. Effective Tax Rate: Why Your Bracket Isn't Your Rate
Updated for tax year 2026 · 6 min read
The most expensive myth in personal finance
"I can't take the raise, it'll bump me into a higher bracket and I'll take home less." This is mathematically impossible under the US income tax. Brackets are marginal: crossing a threshold changes the rate only on the dollars above the threshold. Every dollar you earned before the threshold keeps its old, lower rate forever.
Concretely: a single filer whose taxable income goes from $50,000 to $51,000 in 2026crosses into the 22% bracket at $50,400. The "bracket jump" affects exactly $600 of income, costing $132 instead of the $72 it would have cost at 12%. Their raise is still worth about $820 after federal tax. Nobody has ever lost money to a bracket.
How to compute each rate
Marginal rate: find where your taxable income (gross minus deductions) lands in the 2026 bracket table. That bracket's rate is what your next dollar of income pays, and what a deduction saves you per dollar.
Effective rate: divide total tax by gross income. This is the number that describes your actual burden, and it is always lower than your marginal rate because of the standard deduction and the lower brackets underneath you.
Marginal vs. effective at common salaries (2026, single)
| Salary | Federal bracket (marginal) | Effective federal rate | Effective rate incl. FICA |
|---|---|---|---|
| $40,000 | 12% | 6.6% | 14.2% |
| $60,000 | 12% | 8.4% | 16.0% |
| $85,000 | 22% | 11.6% | 19.3% |
| $120,000 | 22% | 14.6% | 22.3% |
| $175,000 | 24% | 17.6% | 25.2% |
| $250,000 | 32% | 20.5% | 26.7% |
The gap is dramatic at every income level. A $120,000 earner is "in the 24% bracket" but actually pays 14.6% in federal income tax. (The last column adds Social Security and Medicare, in a no-income-tax state, for the honest total.)
When each number matters
Use your marginal rate for decisions at the margin: whether overtime is worth it, how much a 401(k) contribution saves (see our 401(k) guide), or the value of any deduction. Use your effective ratefor budgeting and comparing years or states: it is the fraction of your income that actually leaves. Quoting your bracket as "my tax rate" overstates your burden by roughly a third at typical incomes.
Marginal vs. effective FAQ
Can a raise ever reduce my take-home pay?+
Through tax brackets, never. Rare edge cases exist outside the tax code itself: income-tested benefit cliffs (like ACA subsidies or SNAP) can make an extra dollar of income costly. But the brackets alone always leave a raise net-positive.
What tax rate does my bonus pay?+
The same brackets as everything else, at filing time. Employers typically withhold a flat 22% federally on bonuses, so if your marginal rate is lower you'll get the difference back as a refund; if higher, you may owe the gap.
Why does my paystub percentage not match either rate?+
Withholding is an estimate based on your W-4 that also mixes in FICA and state tax. Your real effective rate only settles when you file. See our paystub guide for a line-by-line breakdown.
Do states also use marginal brackets?+
Most graduated-rate states do (California has nine brackets, New York eleven). A growing group uses one flat rate instead, where marginal and effective converge as income rises.