2027 Standard Deduction and Tax Brackets: IRS Inflation-Adjusted Amounts

The Internal Revenue Service released the tax year 2027 inflation adjustments on November 5, 2026, and the headline numbers are now final. The standard deduction rises to $33,200 for married couples filing jointly and $16,600 for single filers, and the top marginal rate of 37% begins at $661,375 for single taxpayers and $793,650 for married couples filing jointly. The adjustments, published in Revenue Procedure 2026-35, apply to tax returns filed in 2028 and touch close to seventy tax provisions. This guide walks through where the amounts landed, how they compare with the tax year 2026 figures already in effect, and the method the IRS uses to reach these numbers every year.

How the IRS adjusts these numbers each year

Most annually adjusted tax amounts do not sit still from one year to the next. Congress wrote the tax brackets and the standard deduction so they move with inflation, which stops price increases alone from pushing taxpayers into higher brackets, a problem tax professionals call bracket creep. Each autumn the IRS announces the next tax year's adjusted amounts in a news release backed by a Revenue Procedure, the agency's official document setting out the new tables and limits.

Related reading: Tax brackets 2027: IRS raises thresholds, not rates.

For tax year 2027 that document is Revenue Procedure 2026-35. It states that the adjusted items, including the tax rate tables and the standard deduction, are generally determined by reference to section 1(f) of the Internal Revenue Code, the provision that requires the brackets and related amounts to be restated so they keep pace with inflation in consumer prices. The effect is mechanical. When prices rise, the thresholds separating one bracket from the next drift upward, and the income someone can shield with the standard deduction grows too. That matters because the 2027 figures are the closest thing to a pure inflation adjustment. They are not a new tax cut. They preserve the same real income at the same effective rate even as nominal dollar incomes climb.

The 2027 standard deduction versus 2026

The standard deduction is the fixed amount single filers and married couples can subtract from income before tax is figured, with no receipts required. For tax year 2027 it rises to $33,200 for married couples filing jointly, up $1,000 from $32,200 in 2026. Single taxpayers and married individuals filing separately get $16,600 in 2027, up from $16,100, and heads of household get $24,925, up from $24,150 in 2026.

For the broader framework, see our Fed policy coverage.

Related reading: Medicare Part B premium 2027: what it will cost and who pays more.

Roughly nine in ten filers choose the standard deduction rather than itemizing, so this line on the return matters to most households. For a married couple in the 22% bracket, an extra $1,000 of deductible income cuts roughly $220 off the year's tax before credits, and the increase moves itemizers who sit near the crossover point numerically closer to taking the standard route.

The 2027 tax brackets versus 2026

The tax brackets work the way they always have. Each range of taxable income is taxed at its own rate, and crossing into a new bracket applies the higher rate only to the income above the line, never to everything earned below it. Because every threshold moved up with inflation, a worker whose wage rises only to keep pace with prices lands in the same effective position as the year before rather than slipping into a higher marginal rate.

Related reading: PCE inflation September 2026: prices rose 0.5% in a month as the Fed gauge hits 3.7%.

The table shows how the two endpoints that bracket most filers moved. The bottom of the 22% band for single filers rose from $50,400 in 2026 to $52,025 in 2027, and the top of the 37% band climbed from $640,600 to $661,375. For married couples filing jointly the 32% band now runs from $416,651 to $529,100, up from $403,551 to $512,450 a year earlier.

A worked example with this year's numbers

Consider a single filer with $70,000 of taxable income after deductions. Under the 2026 brackets, the first $12,400 is taxed at 10% for $1,240, the band from $12,400 to $50,400 is taxed at 12% for $4,560, and the remaining roughly $19,600 is taxed at 22% for about $4,312, a total near $10,112. Under the 2027 brackets the same filer pays 10% on the first $12,800 for $1,280, 12% on the next $39,225 for $4,707, and 22% on the final approximately $17,975 for $3,954, for a total close to $9,941. That is about $170 less in 2027 on identical income, which is what inflation indexing looks like when prices rise faster than a fixed salary.

Related reading: ssa maximum taxable earnings 2027: $192,300 wage base.

The bracket math is only half the story. The same taxpayer also gets the higher $16,600 standard deduction, which removes more income from taxation before any bracket applies. Someone taking the standard deduction in both years keeps more of their income simply because a larger slice is never taxed, on top of the savings inside the brackets.

Other 2027 amounts that moved alongside the brackets

Several other annual limits changed with the same release, all sourced to Revenue Procedure 2026-35. The maximum child tax credit rises to $2,300, an increase of $100 from 2026, with the refundable portion at $1,800. The alternative minimum tax exemption is $93,000 for unmarried individuals and $144,700 for married couples filing jointly, with the phase-outs beginning at $515,950 and $1,031,900 respectively. The gift tax annual exclusion rises to $20,000 from $19,000, the estate tax basic exclusion is $15,480,000 for decedents who die in 2027, the foreign earned income exclusion rises to $137,300, and businesses may expense up to $2,640,000 under the section 179 rules, up from $2,560,000. The Health Flexible Spending Account contribution cap moves up to $3,500 and the qualified transportation fringe benefit to $350 a month.

Frequently Asked Questions

Who qualifies for the standard deduction?

Every taxpayer chooses between the standard deduction and itemizing. Filing status decides which standard amount applies: $16,600 for single filers and married couples filing separately, $24,925 for heads of household, and $33,200 for married couples filing jointly or qualifying surviving spouses. Taxpayers who are blind or aged 65 or older may add extra amounts on top, and an individual who can be claimed as a dependent on another return faces a lower cap.

How do the tax brackets scale as income rises?

The brackets are progressive. A single filer in 2027 pays 10% on the first $12,800, 12% on income from $12,801 to $52,025, 22% from $52,026 to $109,125, and so on up the schedule. Each higher rate applies only to the slice of income inside its own band. Even a high earner pays the low rates on the first portions of income, which is why marginal rate and effective rate are different ideas.

What changed from 2026 to 2027?

Inflation pushed the brackets and the standard deduction higher, while the tax rates themselves stayed the same. The top 37% rate still begins at bracket thresholds that now start above $661,375 for single filers and $793,650 for married couples filing jointly, up from $640,600 and $768,700 in 2026. The standard deduction rose $1,000 for married couples filing jointly and $500 for single filers, and the child tax credit maximum climbed $100 to $2,300. No bracket rate changed, and the personal exemption remains zero.

How do the changes affect my paycheck withholding?

Withholding is set on Form W-4, and the IRS updates the tables tax software and payroll departments use. When the new 2027 tables go live for the next filing cycle, a worker whose income is unchanged will generally see slightly less withheld because more of each paycheck falls inside lower or unchanged effective ranges. Anyone who wants to rebalance can file a new Form W-4, and Publication 505 explains the withholding method in detail. The table in Publication 501 shows the standard deduction by filing status and age.

The takeaway is straightforward. The 2027 numbers are the IRS doing exactly what the statute asks: restating the brackets and the standard deduction so real tax burdens stay stable even as prices and paychecks drift. The practical chores, reviewing your withholding, checking whether the higher standard deduction changes your itemizing decision, and updating estimates for next year, cost little and prevent surprises at filing time. The headline table will change again a year from now, but the method behind it will not.

This content is for informational purposes only and does not constitute financial advice. Past performance is not indicative of future results. Consult a qualified financial advisor before making investment decisions.