The standard deduction is the most-used number in the entire tax code, and it quietly changed again for the 2025 tax year.
For single filers, it now sits at $15,000.
Married couples filing jointly get $30,000, and heads of household land at $22,500.
Those figures apply to the return most people will file in early 2026.
Here's the part that trips people up: you don't stack the standard deduction on top of your itemized deductions.
The IRS lets you take whichever is larger, and for roughly nine out of ten filers, that's the standard deduction.
If you're not sure which way to go, the difference between the two can easily be worth several hundred dollars.
So who should actually run the numbers on itemizing?
Homeowners with a mortgage, people who gave a lot to charity, and anyone who paid big medical bills.
Add up your mortgage interest, state and local taxes, and charitable giving.
If that total beats your standard deduction, itemizing wins.
If it doesn't, stop doing math and take the easy route.
There's a hidden bonus in the standard deduction that rarely gets mentioned.
When you claim it, you can still deduct certain things on top, like student loan interest and contributions to a traditional IRA or health savings account.
Those are "above the line" deductions, meaning they work whether you itemize or not.
A lot of people leave that money sitting on the table.
One more wrinkle worth knowing: if you're 65 or older, or legally blind, the IRS tacks on an extra amount.
For 2025, single filers 65 and up can add $2,000, and married filers get an extra $1,600 per qualifying spouse.
There's also a newer senior deduction that phases out at higher incomes, so older filers should pay attention to both.
If someone claims they can get you a bigger refund by "stacking" the standard deduction with itemized write-offs, that's a red flag.
Scammers lean on this confusion every tax season, especially over the phone or through texts promising a surprise refund.
The IRS will not call you demanding payment, and it won't ask for gift cards.
Gather your mortgage statement, property tax bill, and charity receipts, add them up, and compare that number to your standard deduction.
It takes about ten minutes and could change what you owe or get back.
If the total is close, it's worth a quick check with a tax preparer before you file.
My take: the standard deduction is one of the few parts of the tax code that actually favors the average household, so it's worth knowing your exact number instead of guessing.
Most people who get surprised at tax time simply never looked it up.
Final Thoughts
Ten minutes of homework now beats a smaller refund later.