Senior Bonus Deduction Calculator: How Much of the $6,000 Do You Get in 2026?

This tool applies the §151(d)(5) senior bonus deduction to your own numbers. It is one of five deductions the One Big Beautiful Bill Act introduced or rewrote for tax year 2026; for how this one fits with the other four — and which of them lower AGI and which do not — see the guide What OBBBA Changes on Your 2026 Tax Return, the other explainers on the guides page, and the methodology page for the engine behind every figure here.

Three deductions stack for filers 65 or older

For a 65+ filer, 2026 offers three separate reductions, and this $6,000 bonus is the third layer, not a replacement for the other two:

1. The base standard deduction — $16,100 for a single filer in 2026 (all statuses here).
2. The existing age-65 additional standard deduction (IRC §63(f)) — $2,050 for an unmarried filer, $1,650 per qualifying spouse if married, in 2026.
3. This $6,000 senior bonus (IRC §151(d)(5)) — per person 65 or older, subject to the MAGI phase-out below.

Worked stack, computed by the engine: a single 67-year-old with MAGI $70,000 who takes the standard deduction gets $16,100 + $2,050 + $6,000 = $24,150 off income. Layers 2 and 3 are distinct: the §63(f) add-on is part of the standard deduction, the §151(d)(5) bonus is not.

The same three layers stack on a joint return, with each spouse's amounts counted separately. A married couple in 2026 where both spouses are 65, taking the standard deduction, with MAGI $150,000: the $32,200 joint base, plus 2 × $1,650 in §63(f) age add-ons ($3,300), plus the senior bonus — two qualified individuals at $6,000 each, $12,000 because this MAGI sits at the joint threshold and nothing phases out — totals $47,500 off income.

One more distinction the layers hide: layers 1 and 2 require taking the standard deduction, but the $6,000 bonus is available whether or not you itemize. It is a §151(d)(5) personal-exemption-type deduction claimed on the new Schedule 1-A (Form 1040 line 13b) — subtracted after AGI, so it never reduces your AGI or MAGI, and it is not part of the standard deduction.

The phase-out — and the $250,000 vs $350,000 dispute

Each qualified person's $6,000 shrinks by 6% of the MAGI excess over $75,000 (single, head of household) or $150,000 (married filing jointly). A single filer reaches $0 at exactly $175,000. For a couple where both spouses qualify, the statute reads per-person: each spouse's $6,000 is reduced by 6% of the same excess, so the couple loses 12% of the excess in total and reaches $0 at $250,000.

A competing reading gives $350,000 as the joint endpoint — that figure comes from applying 6% once against the combined $12,000. The statute reads per-person; we follow the statute (IRC §151(d)(5)(C), added by P.L. 119-21 §70103). At MAGI $200,000, both spouses 67, the difference is real money: the per-person reading gives $6,000, the other reading would give $9,000. The dispute only matters when both spouses are 65 or older — with one qualifying spouse the two readings agree. Check the final 2026 Schedule 1-A instructions when the IRS publishes them.

What the engine does with your numbers

The calculation is four steps, and the tool runs exactly these. It picks the threshold for your filing status — $150,000 for married filing jointly, $75,000 for every other eligible status. It counts qualified individuals: you, plus your spouse on a joint return, each only if 65 or older by year end. It takes the MAGI excess over the threshold, floored at zero, and reduces each person's $6,000 by 6% of that one excess. Then it adds the per-person results together. The MAGI you enter is used once and echoed back unchanged: the deduction is subtracted after AGI, so it can never feed its own phase-out.

A head-of-household filer aged 65 in 2026 with MAGI $95,000 shows every step: the threshold is $75,000, the excess is $20,000, so 6% of that excess — $1,200 — comes off the $6,000, leaving a deduction of $4,800. The engine labels this result partial: full while the excess is zero, partial while some of the amount survives, eliminated once the reduction wipes it out. A negative MAGI is not an error — because AGI, and therefore MAGI, can be negative, the tool accepts it and finds no excess. A single filer at MAGI -$5,000 is below the threshold, the excess is $0, and the full $6,000 survives.

When a gate fails the engine returns the reason rather than a number. A single filer whose return has no one turning 65 gets $0: "No one on the return will be 65 on or before December 31, 2026." One missing a Social Security number likewise gets $0, and married filing separately is ineligible outright, as the examples below show. Each refusal is the statute's own rule, not a tool limitation.

Worked examples (all engine-computed)

Rules that catch people out

• Temporary and frozen: tax years 2025–2028 only, and neither the $6,000 nor the $75,000/$150,000 thresholds are indexed for inflation.
• Married filing separately gets $0 — married taxpayers must file jointly to claim it (IRC §151(d)(5)(C)(v)).
• SSN required for each qualifying person; omitting it is treated as a math/clerical error the IRS can correct summarily (IRC §6213(g)(2)(W)).
• It never lowers AGI or MAGI — so it does not help you under other income-tested rules (IRMAA, ACA credits, this deduction's own phase-out). The MAGI you enter above is computed without it. After the deduction, your taxable income flows through the ordinary brackets — see the federal income tax calculator.

How to read the result

The figure the tool returns is the total deduction for the return; on a joint return that total is the sum of two separate per-person reductions, not one amount phased out once — the reason the married endpoint is $250,000 and not $350,000. The status label beside it reads full, partial, or eliminated as the phase-out leaves all, some, or none of the amount. Treat the result as a deduction, not a payment: it lowers the taxable income that flows through the ordinary brackets, so its cash value is your marginal rate on the deducted amount, never the amount itself. Because it is subtracted after AGI, the MAGI you enter — the figure its own phase-out consumes — is never changed by the deduction, so a result here is not an input to IRMAA, the ACA credit, or any other income-tested rule.

What this tool does not model

It computes one federal deduction and nothing else — not your tax, your refund, or the rest of your return, and it does not verify the facts you enter, so a wrong input yields a wrong deduction with no warning. The 2026 amount, thresholds, and rate are drawn from the enacted statute and IRS guidance as last checked 2026-08-18; that check is absence-of-evidence — no later amendment had been found by that date, not that the figures are final. Confirm consequential figures against the final 2026 IRS Schedule 1-A instructions, and see the methodology page for the engine behind every number and the full list of what the site does not model.

Frequently asked questions

Is the $6,000 senior deduction the same as the extra standard deduction for being 65?

No — they are separate layers that stack. For 2026 a 65+ filer can have (1) the base standard deduction ($16,100 single), plus (2) the age-65 additional standard deduction under §63(f) ($2,050 unmarried, $1,650 per spouse married), plus (3) this $6,000 senior bonus under §151(d)(5). A single 67-year-old with MAGI $70,000 who takes the standard deduction gets $16,100 + $2,050 + $6,000 = $24,150 off income. Layers 2 and 3 are easy to confuse because both are tied to age 65, but they are distinct: the §63(f) add-on is part of the standard deduction, the §151(d)(5) bonus is not.

Do I have to take the standard deduction to claim it?

No. The senior bonus is available whether or not you itemize — it is claimed on the new Schedule 1-A and flows to Form 1040 line 13b. It is subtracted after AGI, so it never reduces your AGI or MAGI, and it is not part of the standard deduction. Itemizers get it too.

For a married couple, does it phase out completely at $250,000 or $350,000?

$250,000 when both spouses qualify. A competing reading gives $350,000 — that figure comes from applying the 6% reduction once against the combined $12,000. The statute reads per-person (IRC §151(d)(5)(C), added by P.L. 119-21 §70103): each spouse's $6,000 shrinks by 6% of the same MAGI excess over $150,000, so the couple loses 12% of the excess in total and reaches $0 at $250,000. We follow the statute; the difference only matters when both spouses are 65 or older.

How long does the senior bonus deduction last, and who is shut out?

It is temporary — tax years 2025 through 2028 only — and the $6,000 amount and $75,000/$150,000 thresholds are NOT indexed for inflation, so they stay fixed every year it exists. Married filing separately gets $0 (married taxpayers must file jointly to claim it), and each qualifying person must have a Social Security number on the return.

What does the tool need from me, and what does it not check?

Four things: your filing status, whether you (and, on a joint return, your spouse) will be 65 by year end, your MAGI, and whether each qualifying person has a Social Security number on the return. From those it applies the statute's arithmetic — threshold by status, 6% of the MAGI excess per qualified person, floored at zero. It does not verify your age, confirm your SSN, or recompute your MAGI; it echoes the MAGI you entered back unchanged, so the figure is only as good as the number you give it.

How much is the deduction actually worth in tax?

A deduction is not a credit and not a refund: it lowers taxable income, so it is worth your marginal rate applied to the deducted amount, not the amount itself — a filer in a higher bracket keeps more of it than one in a lower bracket. The tool reports the deduction only; to see the effect on tax, subtract it from taxable income and run the result through the federal income tax calculator. Social Security and Medicare are untouched either way.

Does it apply to tax years other than 2026?

The deduction exists for tax years 2025–2028; this page uses the 2026 figures. Because the $6,000 amount and the $75,000/$150,000 thresholds are not indexed, the same numbers apply in every active year, and a return for any year outside that window gets $0 from this provision. The 2026 figures were last checked against the enacted statute and IRS guidance 2026-08-18; that is an absence-of-evidence check, so confirm against the final 2026 Schedule 1-A instructions when the IRS publishes them.

What happens at exactly the threshold, or below it?

At or below the threshold your MAGI excess is zero, so each qualified person keeps the full $6,000. A negative MAGI is accepted and treated the same way — AGI can be negative, and a negative MAGI simply means no excess. Above the threshold the amount falls by 6% of the excess per person and reaches $0 at $175,000 (single, head of household) or $250,000 (married filing jointly, both qualifying).

Sources

Every figure above traces to a primary source (constants verified 2026-08-18):

• The $6,000 deduction, thresholds, 6% rate, MFS and SSN rules — IRC §151(d)(5), added by P.L. 119-21 §70103 (One Big Beautiful Bill Act), tax years 2025–2028.
• Schedule 1-A mechanics — IRS: Schedule 1-A, what to know about the new form and the IRS OBBBA deductions overview.
• 2026 standard deduction and §63(f) add-on amounts (stacking layers 1 and 2) — Rev. Proc. 2025-32, which already incorporates OBBBA's permanent increase.

Not tax advice: an educational estimate of one federal deduction for tax year 2026 (returns filed in 2027) — no state tax, no AMT modeling, no NIIT, and no interaction with the rest of your return. The married-couple phase-out follows the per-person statutory reading; verify against the final 2026 IRS Schedule 1-A instructions, and consult a tax professional for your situation. Values are processed locally in your browser and never transmitted. See the methodology page.