Standard Deduction or Itemizing: How to Choose the Right Option for Your Taxes

The Fundamental Choice Every Tax Filer Faces

Every year when you file your federal income taxes, you must choose between two methods of reducing your taxable income: taking the standard deduction or itemizing your deductions. You cannot do both. This single decision can mean the difference of hundreds or even thousands of dollars in taxes owed, so understanding how each option works is critical to optimizing your tax return.

What Is the Standard Deduction?

The standard deduction is a flat dollar amount that reduces your taxable income automatically, no questions asked and no receipts required. The IRS adjusts it annually for inflation. For the 2024 tax year, the standard deduction amounts are:

• Single or married filing separately: $14,600
• Married filing jointly or qualifying surviving spouse: $29,200
• Head of household: $21,900

If you are 65 or older or legally blind, you qualify for an additional standard deduction. For 2024, that’s an extra $1,550 if you’re single (or $3,100 if both conditions apply) and $1,550 per qualifying person if married. So a married couple who are both 65 or older gets a standard deduction of $32,300.

The simplicity of the standard deduction is its main appeal: no need to track every expense throughout the year, no Schedule A to file, and no risk of triggering an audit because you claimed an unusual deduction.

What Is Itemizing?

Itemizing means listing out specific deductible expenses on Schedule A of your tax return. Instead of taking the flat standard deduction, you add up every qualifying expense and deduct the actual total. You only benefit from itemizing if your total qualifying expenses exceed your standard deduction amount.

The major categories of itemized deductions include:

• State and local taxes (SALT): State income taxes or sales taxes plus property taxes, capped at $10,000 combined ($5,000 if married filing separately).
• Mortgage interest: Interest on loans up to $750,000 for homes purchased after December 15, 2017 ($1 million for older mortgages). Includes primary and one secondary home.
• Charitable contributions: Cash donations up to 60% of AGI; appreciated property donations up to 30% of AGI.
• Medical and dental expenses: Qualifying expenses that exceed 7.5% of your Adjusted Gross Income.
• Casualty and theft losses: Only losses from federally declared disasters, subject to floors and limits.

Who Benefits Most from Itemizing?

After the Tax Cuts and Jobs Act of 2017 roughly doubled the standard deduction, far fewer Americans benefit from itemizing. Today, only about 10–11% of taxpayers itemize. You are most likely to benefit from itemizing if:

• You own a home with a significant mortgage balance (especially a newer loan with high early-interest payments)
• You live in a high-tax state like California, New York, New Jersey, or Connecticut and pay $10,000 or more in state income and property taxes combined
• You make substantial charitable donations each year
• You had very large out-of-pocket medical expenses (surgery, long-term care, etc.)
• You are married and your joint mortgage interest plus SALT deductions alone approach $29,200

A Side-by-Side Comparison Example

Let’s look at a real scenario. Sarah is a single homeowner in California earning $90,000 per year. Her deductible expenses are:

• Mortgage interest: $11,000
• Property taxes + state income taxes: $10,000 (SALT cap)
• Charitable donations: $2,500
• Medical expenses above 7.5% of AGI: $0
• Total itemized deductions: $23,500

Her standard deduction is $14,600. By itemizing, Sarah deducts $23,500 instead of $14,600—an additional $8,900 reduction in taxable income. At the 22% bracket, that saves her roughly $1,958 in federal taxes. Itemizing is clearly the better choice for Sarah.

Now consider Marcus, a single renter earning $75,000. He donates $1,200 to charity and has no mortgage or significant medical expenses. His itemized total is $1,200—far below the $14,600 standard deduction. Marcus should absolutely take the standard deduction.

Bunching Deductions: A Strategy to Get Above the Standard Threshold

If your itemized deductions are close to but don’t quite exceed the standard deduction, consider the bunching strategy. Instead of spreading charitable donations evenly across multiple years, concentrate two years’ worth of donations into one calendar year. In the bunching year, you itemize and deduct the large total; in the off year, you take the standard deduction.

For example, if you normally donate $6,000 per year and your other itemized deductions total $10,000, your combined total of $16,000 beats the single standard deduction by only $1,400. But if you donate $12,000 in year one (skipping year two), your total itemized deductions jump to $22,000—a savings boost of $7,400 over the standard deduction in the bunching year. Donor-Advised Funds (DAFs) are an excellent tool for bunching, as you can fund the DAF in one year and direct the grants to charities over multiple years.

Itemizing and the AMT

High earners who itemize may be subject to the Alternative Minimum Tax (AMT), which disallows certain deductions including the SALT deduction. If you earn above approximately $137,000 (single) or $220,000 (married), you should calculate whether you owe AMT and whether it affects the benefit of itemizing. Tax software handles this calculation automatically.

Above-the-Line Deductions: The Third Option Worth Knowing

Regardless of whether you take the standard deduction or itemize, you can also claim “above-the-line” deductions (technically called adjustments to gross income). These include student loan interest, IRA contributions, HSA contributions, and self-employment taxes. Claim all above-the-line deductions first—they reduce your AGI—and then decide between standard and itemized for the remaining taxable income.

How to Decide: A Simple Framework

Use this three-step approach each tax season:

1. Add up your potential itemized deductions using last year’s figures as a baseline.
2. Compare the total to your standard deduction based on your filing status.
3. If itemized is higher, gather your documents and file Schedule A. If standard is higher, take the flat deduction and save time.

Most good tax software performs this comparison automatically and tells you which method produces a lower tax bill. When in doubt, enter your expenses either way and let the software choose the better outcome.