Should I take the standard deduction or itemize?

A practical guide to the standard deduction versus itemizing — how to decide, what counts, and when the math favors each.

Short answer: take whichever gives you the bigger deduction — it's that simple, and tax software figures it out automatically. For most Americans, that's the standard deduction: a flat amount you subtract from your income with no paperwork. You should itemize only when your qualifying expenses add up to more than the standard deduction for your filing status.

This is a US federal tax question, and the numbers change yearly with inflation. The figures here are for tax year 2026 (the return you'd file in 2027). State rules differ. If your situation is complex — rental properties, a business, big medical bills — a tax professional is worth the fee.

What the standard deduction is

The standard deduction is a fixed dollar amount the IRS lets you subtract from your taxable income, no questions asked. For tax year 2026, it's $16,100 for single filers and married couples filing separately, $32,200 for married couples filing jointly, and $24,150 for heads of household. If you're 65 or older or blind, you get an additional amount on top.

Think of it as the government's estimate of a reasonable baseline of deductions. Instead of tracking every deductible expense, most taxpayers just take this number and move on. It reduces your taxable income, which reduces your tax — a $16,100 deduction doesn't save you $16,100, it saves you $16,100 multiplied by your marginal tax rate.

The standard deduction exists alongside the tax brackets, not instead of them. You subtract it from your income first, then the brackets determine the tax on what's left. Everyone gets to use it unless they're in one of a few excluded categories, like married filing separately when a spouse itemizes.

What itemizing means

Itemizing means listing your actual deductible expenses individually on Schedule A instead of taking the flat amount. The main categories: state and local taxes (SALT) up to a cap, mortgage interest on qualifying home debt, charitable donations, and medical expenses above a threshold.

Each category has its own rules. The SALT deduction — state income or sales taxes plus property taxes — is capped at $40,000 for 2026 under current law (a significant increase from the $10,000 cap that applied in prior years, thanks to recent legislation). Mortgage interest is deductible on qualifying acquisition debt, subject to limits. Charitable gifts to qualified organizations count, with documentation requirements that kick in at higher amounts. Medical expenses count only to the extent they exceed 7.5% of your adjusted gross income.

Itemizing requires records: receipts, statements, and documentation for each deduction you claim. It's more work, and it only pays off if the total beats the standard deduction.

The comparison is just arithmetic

Here's the entire decision: add up your itemizable deductions. If the total is more than your standard deduction, itemize. If it's less, take the standard. There's no strategy beyond this, no hidden benefit to itemizing for its own sake.

Walk through a quick example. You're single, so your 2026 standard deduction is $16,100. You paid $8,000 in state income tax, $4,000 in property tax, $6,000 in mortgage interest, and gave $2,000 to charity. That totals $20,000 — more than $16,100, so you itemize and come out $3,900 ahead.

Change the numbers: same person, but renting, with $8,000 in state taxes and $2,000 in charity. That's $10,000 — well under $16,100, so the standard deduction wins by a mile, with zero paperwork.

Most people land in the second camp. Since the standard deduction was roughly doubled in 2018, the share of taxpayers who itemize has fallen sharply — it's now a minority, concentrated among higher-income households, homeowners with large mortgages, and people in high-tax states.

Who tends to itemize

Homeowners are the biggest group. Mortgage interest plus property taxes plus state income taxes can push the total past the standard deduction, especially in the early years of a mortgage when payments are mostly interest, and especially in states with high income or property taxes.

Big charitable givers itemize too. If you regularly donate significant amounts — to a house of worship, an alma mater, a cause you support — those donations stack with your other deductions and can tip the balance.

People with major medical expenses in a given year sometimes itemize as well, though the 7.5%-of-AGI floor means only truly large bills qualify. A year with surgery, fertility treatment, or long-term care costs can be the exception that makes itemizing worthwhile even for someone who normally takes the standard.

And high earners in high-tax states often itemize almost by default, because the SALT component alone gets them most of the way there — particularly now that the SALT cap is $40,000 for 2026 rather than $10,000.

The bunching strategy

There's a legitimate planning technique worth knowing: bunching. If your itemizable deductions are close to — but under — the standard deduction each year, you can time expenses to alternate. Give two years of charitable donations in one year, pay property taxes early, schedule elective medical procedures together — then itemize in the bunched year and take the standard deduction in the off year.

Done right, this squeezes extra tax benefit out of the same total spending. It requires some cash-flow flexibility and attention to timing rules — you can't deduct what you haven't paid — but for charitably inclined households near the threshold, it's one of the few itemizing strategies that reliably works.

The mirror image: if you're nowhere near the threshold, don't contort your finances trying to get there. Bunching $12,000 of deductions against a $16,100 standard deduction still loses. The strategy only matters at the margin.

Common itemizing mistakes

A few errors trip people up every year. The most common is itemizing out of habit — continuing to itemize because you always have, without checking whether the standard deduction has pulled ahead. Tax law changes and life changes both move the line; recheck every year.

Another is double-counting or mis-categorizing. State tax refunds, for instance, can be taxable income in the year you receive them if you itemized and deducted those taxes the prior year — a detail that surprises people. And personal expenses — commuting costs, work clothes, everyday meals — are not deductible for employees, no matter how work-related they feel.

People also forget the AGI floors and caps. Medical expenses only count above 7.5% of adjusted gross income, so $5,000 of medical bills on a $100,000 income yields zero deduction. Charitable deductions have percentage-of-income limits too, with excess carrying forward. Knowing the thresholds before you tally saves disappointment.

Some context helps explain why most people take the standard deduction now. The Tax Cuts and Jobs Act of 2017 roughly doubled it, which instantly made itemizing worthwhile for far fewer households. Before that change, around 30% of taxpayers itemized; afterward, it dropped to roughly 10%.

More recent legislation — the One Big Beautiful Bill Act — raised it further and increased the SALT cap to $40,000 for 2026, which pulled some high-tax-state households back into itemizing territory. The lesson: the line moves with legislation, so "I itemize" or "I take the standard" should be a conclusion you reach fresh each year, not an identity.

The inflation adjustments matter too. The standard deduction rises most years, which means a household that barely itemized last year might not clear the bar this year. When in doubt, run both numbers — it takes minutes and it's the only way to know.

Records and practicalities

If you itemize, documentation is non-negotiable. Keep property tax bills, mortgage interest statements (Form 1098), charity acknowledgment letters, and medical receipts. For charitable donations of $250 or more, you need a written acknowledgment from the organization — a canceled check alone isn't enough.

The good news is that tax software handles the comparison for you. Enter your information, and it computes both paths and picks the larger deduction. You don't need to decide in advance; you can prepare the itemized figures and let the math speak.

One caution: don't manufacture deductions. The IRS is unimpressed by inflated charitable valuations, personal expenses dressed up as medical ones, or "business" deductions with no business. Itemizing honestly is straightforward; itemizing aggressively is how audits start.

When to get help

Most straightforward situations — employee income, a mortgage, some charity — are well within what consumer tax software handles. Consider a professional when you have rental property, self-employment income with significant expenses, equity compensation, a major life event like a sale of property, or any year where your deductions look unusual.

A good tax preparer or CPA does more than fill in forms; they spot things software users miss and keep you out of trouble. The fee is often modest relative to what's at stake, and for anyone itemizing with complexity, it's money well spent.

Add up your deductions, compare to the standard amount for your filing status, and take the bigger number. That's the whole decision — everything else is just making sure the arithmetic is right.