Charitable Deduction Carryforward: Five-Year Window and 2026 Floor

Charitable contributions that exceed your annual deduction cap aren’t lost — they roll into a carryforward. Under the charitable deduction carryforward rules, any amount above the applicable AGI percentage limit in the year you give can be deducted over the next five tax years, subject to the same category-by-category ceilings and a strict ordering sequence. Miss the five-year window and the leftover deduction disappears for good.

What Triggers a Carryforward

A carryforward happens automatically whenever your donations exceed the AGI percentage ceiling that applies to them. No election, no extra form. The ceiling depends on what you gave and who received it:

60% of AGI for cash gifts to public charities (churches, hospitals, schools).
50% of AGI for noncash gifts (other than appreciated capital gain property) to public charities, and for contributions to certain private foundations that redistribute what they receive within two and a half months.
30% of AGI for appreciated capital gain property donated to public charities, and for cash or noncash gifts to most private non-operating foundations or made “for the use of” any qualified organization.
20% of AGI for capital gain property donated to private non-operating foundations or given “for the use of” any qualified organization.

Anything over the applicable limit becomes a carryforward by operation of the tax code.¹²

The Five-Year Window and Ordering Rules

Excess contributions carry forward for five tax years after the year of the donation. That gives you six years total to use the full deduction. Any amount still unused after the fifth carryforward year is permanently lost.²

Two ordering rules control how you apply what you have:

Current year first. You deduct the current year’s contributions (up to the applicable AGI limit) before touching any carryforward. Carryforwards only absorb the leftover room.
Oldest year first. When carryforwards exist from multiple prior years, the oldest gets used first. If you have unused amounts from both 2026 and 2027, the 2026 amount takes priority. You can’t cherry-pick which year’s excess to apply.³

These rules matter more than they look. Big new gifts in a carryforward year can crowd out your older excess amounts and push them toward expiration. If you have a significant carryforward approaching its final year, consider moderating new contributions so there’s AGI capacity left to absorb the expiring amount.

A Worked Example

Suppose your AGI is $100,000 and you make a $75,000 cash gift to a public charity in Year 1. The 60% limit caps your deduction at $60,000. You deduct $60,000 now, and $15,000 carries forward.¹

In Year 2, your AGI is still $100,000 and you donate $40,000 in cash. You deduct the current-year $40,000 first, which leaves $20,000 of unused capacity under the 60% ceiling. The $15,000 Year 1 carryforward fits inside that gap, so Year 2’s total deduction is $55,000 and the carryforward is cleared.

Change one number: donate $50,000 instead of $40,000 in Year 2. After deducting the current $50,000, only $10,000 of room is left. You use $10,000 of the Year 1 carryforward, and $5,000 keeps rolling forward. It stays available through Year 6, which is five years after the original Year 1 gift.

The headache arrives when multiple carryforward years stack up. If Year 2 also produces excess, you now have two carryforwards with different expiration dates, and the Year 1 amount must be absorbed first regardless of which is larger.³

When Different Limit Categories Are Mixed

A carryforward stays in the same AGI-limit category as the original contribution. A 30% carryforward doesn’t get upgraded to the 60% limit in a later year. When you have contributions and carryforwards across categories, the IRS requires this sequence:¹

Cash contributions subject to the 60% limit
Noncash contributions subject to the 50% limit
Cash and noncash contributions (other than capital gain property) subject to the 30% limit
Capital gain property contributions subject to the 30% limit
Capital gain property contributions subject to the 20% limit

Within each category, current-year gifts go first, then carryforwards oldest to newest. Room available in a lower category is reduced by whatever you already deducted in a higher one. A large current-year cash gift can squeeze out a carryforward of appreciated property from a prior year.

The New 0.5% Floor Starting in 2026

Beginning with the 2026 tax year, itemizers face an additional hurdle. Charitable deductions only count to the extent they exceed 0.5% of AGI. If your AGI is $300,000, the first $1,500 of charitable contributions generates no deduction. Only amounts above that threshold qualify.²

Whether the floor-blocked amount becomes a carryforward depends on your total giving relative to the percentage ceilings. If your contributions also exceed an AGI percentage limit, the floor-blocked portion folds into the carryforward along with the excess. But if your total donations sit comfortably within the percentage caps, the amount eaten by the 0.5% floor is simply lost. No deduction now, no carryforward later. That’s a real trap for moderate donors whose gifts are large enough that the floor stings but not large enough to breach the percentage ceiling.

Years When You Don’t Itemize

The five-year clock runs whether you itemize or not. If you take the standard deduction in a given year, you can’t claim any charitable carryforward that year, and the year still counts against your window. A carryforward originating in 2026 expires after 2031. Switching to the standard deduction in 2028 and 2029 doesn’t pause anything.

For 2026, the standard deduction is $16,100 for single filers and $32,200 for married couples filing jointly.⁴ If your total itemized deductions don’t clear that bar, you’ll take the standard deduction and burn a year of your carryforward window without using any of it.

This is where bunching helps. Concentrating several years’ worth of gifts into one year pushes your itemized deductions well above the standard deduction, and any excess above the AGI percentage limit creates a carryforward you can use in later itemizing years. Donor-advised funds make the strategy practical: you take the deduction when you fund the account and distribute to charities on your own schedule afterward.

Carryforwards Expire at Death

Unused charitable carryforwards generally die with the donor. If a taxpayer passes away with carryforward left, those amounts can be claimed only on the final return for the year of death. They don’t transfer to heirs or to an estate’s future returns.⁵

For married couples filing jointly, the carryforward belongs to the spouse who made the donation. If that spouse dies, the surviving spouse can claim the carryforward only on the joint return for the year of death. In subsequent years, the deceased spouse’s carryforward is gone, even if the survivor continues to itemize. One partial exception: if the donated property was jointly owned, the surviving spouse keeps the carryforward attributable to their half. Couples worried about this risk can have the younger or healthier spouse make donations directly, keeping the carryforward with the person most likely to use it.

A Way to Avoid Building Up Carryforward on Appreciated Property

Donations of appreciated property held more than one year are deductible at fair market value, but the 30% AGI ceiling makes it easy to generate a carryforward. Stock bought for $20,000 and now worth $80,000, donated to a public charity, produces an $80,000 deduction against a ceiling of only 30% of AGI.¹

You can elect to reduce the deduction to your cost basis instead of fair market value. The election moves the contribution from the 30% limit to the 50% limit, giving more room to deduct now.⁶ In the stock example, you’d deduct $20,000 against a 50% ceiling rather than $80,000 against a 30% ceiling. The election is irrevocable and applies to all your capital gain property donations for the year — you can’t pick which gifts get basis treatment. It usually only makes sense when AGI is low enough that the 30% limit badly restricts you and the property hasn’t appreciated much. Giving up substantial unrealized appreciation for a higher ceiling is often a poor trade.

Property held one year or less, and inventory, is already deductible only at basis, so it’s less likely to produce large carryforwards.

Records to Keep Across the Carryforward Years

Carryforwards span multiple tax years, so your paperwork has to outlast most people’s filing habits. Keep records from the year of the original donation through the final year you claim any portion of the carryforward.

Any single contribution of $250 or more needs a written acknowledgment from the charity stating the amount or describing the property and indicating whether you received anything in return.⁷ You need this document before filing, and available for every year you claim a carryforward from that gift.

Donated property valued above $5,000 requires a qualified appraisal, with exceptions for publicly traded securities and a few other categories.⁸ The appraiser must hold a recognized designation or have at least two years of experience valuing the type of property involved, must regularly prepare appraisals for compensation, and must state their qualifications in the report.⁹

Charitable deductions go on Schedule A of Form 1040.¹⁰ Noncash contributions totaling more than $500 require Form 8283 in the year of the gift.¹¹ One detail trips people up: you must also attach a completed Form 8283 (and the appraisal, if one was required) in every subsequent year you claim a carryforward from that noncash donation.¹²

An internal tracking schedule is worth building. For each contribution year, record the original donation amount, the AGI limit that applied, the amount deducted that year, the carryforward created, and how much carryforward has been used in each subsequent year. Reconstructing the numbers four or five years later without one is painful.

1
Internal Revenue Service. Publication 526, Charitable Contributions
2
Office of the Law Revision Counsel. 26 USC 170 – Charitable, Etc., Contributions and Gifts
3
Internal Revenue Service. Charitable Contribution Deductions
4
Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026
5
eCFR. 26 CFR 1.170A-10 – Charitable Contributions Carryovers
6
Office of the Law Revision Counsel. 26 USC 170 – Charitable, Etc., Contributions and Gifts
7
Internal Revenue Service. Charitable Contributions – Written Acknowledgments
8
Internal Revenue Service. Publication 561, Determining the Value of Donated Property
9
Internal Revenue Service. Instructions for Form 8283
10
Internal Revenue Service. About Schedule A (Form 1040), Itemized Deductions
11
Internal Revenue Service. About Form 8283, Noncash Charitable Contributions
12
Internal Revenue Service. Instructions for Form 8283