Yes, you generally do get less back in taxes if you make more. A refund is just the difference between what your employer withheld during the year and what you actually owe, and when your income rises, your total tax bill climbs while several valuable credits and deductions start disappearing. The gap between what was paid in and what you owe narrows, and the check in April shrinks with it. In some years, it flips the other way and you end up owing.
Why a Raise Narrows Your Refund
Your employer calculates withholding from each paycheck based on the information on your Form W-4.1Internal Revenue Service. Form W-4 (2026) Employees Withholding Certificate A refund only appears when those withholdings add up to more than your actual tax bill. When you get a raise, your total tax liability jumps, but the per-paycheck withholding may not adjust fast enough to cover the difference.
Mid-year changes hit hardest. A substantial raise in July means the first six months of withholding were calibrated to a lower salary. The second half catches up somewhat, often not enough. The same problem shows up when you add freelance income, rental income, or investment gains to a regular job. Without updating the W-4 or making estimated payments, you can easily end up owing at filing time instead of receiving a refund.
Bonuses Are Withheld at a Flat Rate
Bonuses create their own headache. Employers withhold a flat 22% on bonus payments up to $1 million, regardless of what bracket you actually land in. If your real marginal rate is 24% or higher, that 22% withholding falls short and you owe the difference at filing. For bonus payments above $1 million in a calendar year, the excess is withheld at 37%.2Internal Revenue Service. Publication 15 (Circular E), Employer’s Tax Guide The flat rate is a blunt instrument, and it rarely matches your actual tax picture.
Credits That Shrink or Vanish as You Earn More
Tax credits reduce your bill dollar for dollar, so losing one hits your refund harder than losing a deduction of the same size. Several of the largest credits are designed for lower- and middle-income households and phase out as income climbs.
Earned Income Tax Credit
The EITC is the most refund-generating credit in the code for working families. For 2026, the maximum credit for a taxpayer with three or more qualifying children is $8,231.3Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026, Including Amendments From the One, Big, Beautiful Bill The credit phases down as income rises and eventually reaches zero. A single parent with two children who earned $45,000 one year and $60,000 the next could see a refund drop of several thousand dollars, not because more tax was owed on the extra income alone, but because the EITC shrank or disappeared at the same time.4Internal Revenue Service. Earned Income and Earned Income Tax Credit (EITC) Tables
Child Tax Credit
For 2026, the Child Tax Credit provides up to $2,200 per qualifying child. The credit begins to phase out for single filers once adjusted gross income exceeds $200,000 and for married couples filing jointly once it passes $400,000. Above those thresholds, the credit drops by $50 for every $1,000 of additional income. A single parent earning $220,000 would see the credit reduced by $1,000 per child compared to someone right at the $200,000 line.
Deductions That Get Harder to Claim
Deductions lower your taxable income rather than your tax bill directly, so each lost dollar of deduction costs you whatever your marginal rate is. Several common deductions become harder to claim or disappear as income grows.
Medical and Dental Expenses
If you itemize, you can deduct medical and dental costs only to the extent they exceed 7.5% of your adjusted gross income.5Internal Revenue Service. Publication 502 (2025), Medical and Dental Expenses That floor rises with your income. At $50,000 in AGI, the threshold is $3,750. At $100,000, it jumps to $7,500. Someone with $6,000 in medical bills could deduct $2,250 at the lower income but nothing at the higher one. The bills did not change; the income did.
Student Loan Interest
You can deduct up to $2,500 in student loan interest without itemizing, but the deduction starts phasing out for single filers with modified adjusted gross income above $85,000 and disappears entirely at $100,000.6Internal Revenue Service. Publication 970 (2025), Tax Benefits for Education – Section: Student Loan Interest Deduction A raise from $80,000 to $95,000 could cost you most of this deduction, adding roughly $300 to $500 to your tax bill depending on where you fall in the phase-out.
Traditional IRA Contributions
If you or your spouse participates in a workplace retirement plan, the ability to deduct traditional IRA contributions phases out within specific income windows. For 2026, a single filer covered by a workplace plan loses the deduction between $81,000 and $91,000 in income. Married couples filing jointly face a phase-out between $129,000 and $149,000 when the contributing spouse has a workplace plan.7Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 You can still contribute, but the contribution does nothing to lower that year’s tax bill.
Qualified Business Income Deduction
Self-employed individuals and owners of pass-through businesses can deduct up to 20% of qualified business income, but this benefit also shrinks at higher income levels. For 2026, the deduction begins to phase out for single filers with taxable income above roughly $201,750 and for joint filers above $403,500. If you operate a service-based business like consulting or law, the deduction can disappear entirely once your income clears the phase-out ceiling.
Extra Taxes That Only Kick In at Higher Incomes
Two additional taxes come on top of the regular brackets once your income crosses certain thresholds, and a third parallel calculation can apply to a smaller group. None of these are hypothetical edge cases at the upper end of the income range.
Additional Medicare Tax
On top of the regular 1.45% Medicare tax, you owe an extra 0.9% on earned income above $200,000 if you file as single, or $250,000 if married filing jointly. Your employer starts withholding this tax once your wages pass $200,000 in a calendar year regardless of filing status, so a married couple where both spouses earn $150,000 may not have enough withheld even though their combined income exceeds the joint threshold.8Internal Revenue Service. Topic No. 560, Additional Medicare Tax
Net Investment Income Tax
Investment income such as capital gains, dividends, and rental income faces a 3.8% surtax once your modified adjusted gross income exceeds $200,000 for single filers or $250,000 for joint filers.9Internal Revenue Service. Topic No. 559, Net Investment Income Tax The tax applies to the lesser of your net investment income or the amount by which your MAGI exceeds the threshold. It is not withheld from paychecks, so it almost always produces a balance due at filing time unless you cover it through estimated payments.
Alternative Minimum Tax
The AMT is a parallel tax calculation that limits certain deductions and applies its own rate structure. For 2026, the exemption is $90,100 for single filers and $140,200 for married couples filing jointly, with those exemptions phasing out at $500,000 and $1,000,000 respectively.3Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026, Including Amendments From the One, Big, Beautiful Bill Most taxpayers never trigger it, but those with large state and local tax deductions, significant stock option exercises, or income in the mid-to-upper six figures should check whether it applies.
How to Keep the Surprise Small
The IRS charges interest on underpayment of estimated taxes at 7% as of early 2026, and it can add a separate penalty.10Internal Revenue Service. Interest Rates Remain the Same for the First Quarter of 2026 You can avoid the underpayment penalty entirely if you meet one of the safe harbor rules: you owe less than $1,000 at filing time, you paid at least 90% of this year’s tax through withholding and estimated payments, or you paid at least 100% of last year’s tax liability. If your AGI exceeded $150,000 in the prior year, that last threshold rises to 110%.11Internal Revenue Service. Underpayment of Estimated Tax by Individuals Penalty
For income without automatic withholding, such as freelance work, rental income, or investment gains, the IRS expects quarterly estimated payments.12Internal Revenue Service. Estimated Tax Missing those deadlines is one of the most common reasons higher earners end up owing a penalty on top of the tax itself.
If your income changed significantly, whether from a raise, a new job, a side business, or investment gains, updating your Form W-4 is the single most effective way to control the outcome. The form lets you request additional withholding per paycheck, which is the straightforward fix when you know your employer’s default calculations will fall short.1Internal Revenue Service. Form W-4 (2026) Employees Withholding Certificate
The IRS offers a free Tax Withholding Estimator at irs.gov that walks you through the calculation. You will need your most recent pay stubs, your spouse’s pay stubs if filing jointly, and records for any other income sources or deductions you plan to claim.13Internal Revenue Service. Tax Withholding Estimator The tool produces a specific recommendation for how to fill out your W-4. Running the estimator after any major income change, and again in the fall as a check, is the easiest way to head off both a surprise bill and an interest penalty.