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Complete guide to U.S. income tax in 2026 — tax forms, calculator and laptop on a desk
Photo by Kelly Sikkema on Unsplash

The 2026 tax year is the first full year under the One Big Beautiful Bill Act. Rates are unchanged from 2025, but nearly every threshold moved, several deductions were rewritten, and the estate exclusion jumped to a permanent $15 million. This guide is the complete map: every bracket, deduction, and rate that matters for a 2026 return, with links to the calculators that turn these numbers into your personal estimate.

In one sentence: for 2026, the seven federal brackets run 10% to 37%, the standard deduction is $16,100 (single) / $32,200 (joint), long-term gains use 0/15/20%, and the estate and gift exclusion is $15,000,000 per person.

The 2026 federal income tax brackets

Taxable income — gross income minus deductions — is taxed at seven marginal rates. Only the income inside each slice is taxed at that rate, which is why your effective rate is almost always lower than your top bracket.

RateSingle (taxable income)Married joint (taxable income)
10%$0 – $12,400$0 – $24,800
12%$12,400 – $50,400$24,800 – $100,800
22%$50,400 – $105,700$100,800 – $211,400
24%$105,700 – $201,775$211,400 – $403,550
32%$201,775 – $256,225$403,550 – $512,450
35%$256,225 – $640,600$512,450 – $768,700
37%over $640,600over $768,700

Heads of household and married-filing-separately tables sit between these two. The 2026 federal tax reference lists every filing status.

The 2026 standard deduction

Most taxpayers claim the standard deduction. The 2026 amounts are $16,100 for single and married-separate filers, $32,200 for married joint and qualifying surviving spouses, and $24,150 for heads of household — each up slightly from 2025 under IRS Rev. Proc. 2025-32. Itemize only if your mortgage interest, SALT, and charitable gifts exceed these amounts; the standard vs itemized tool settles it in seconds.

Long-term capital gains and qualified dividends in 2026

Gains on assets held over one year get preferential rates of 0%, 15%, or 20%, stacked on top of your ordinary income. The 3.8% Net Investment Income Tax adds a surcharge above $200,000 MAGI (single) or $250,000 (joint), creating a top 23.8% rate. The capital gains calculator shows your exact blended rate including NIIT.

Self-employment tax and the QBI deduction

Freelancers and sole proprietors pay 15.3% self-employment tax on 92.35% of net earnings — 12.4% Social Security plus 2.9% Medicare — on top of income tax. The Section 199A QBI deduction offsets 20% of qualified business income, made permanent by OBBBA, with phase-in for service businesses starting at $201,750 of taxable income (single) in 2026. Model both layers with the self-employment & QBI calculator.

FICA: Social Security and Medicare in 2026

Employees pay 6.2% Social Security tax up to the $184,500 wage base and 1.45% Medicare on all wages. Above $200,000 (single) or $250,000 (joint), an additional 0.9% Medicare surtax applies. These payroll taxes are the same in every state — they do not depend on where you live.

The estate and gift exclusion: $15 million era

The One Big Beautiful Bill Act permanently raised the basic exclusion amount to $15,000,000 per person for decedents dying in 2026 and later ($30,000,000 for couples with portability). The annual gift exclusion is $19,000 per recipient. Gifts above the annual exclusion reduce the lifetime shield. See the estate tax calculator and the gift tax calculator to model your plan.

SALT, AMT, and other 2026 limits

  • SALT deduction cap: $40,400 for married joint filers ($20,200 separate) in 2026, phasing down above $505,000 joint AGI and reverting after 2030.
  • AMT exemption: $90,100 (single) and $140,200 (joint), phasing out above $500,000 / $1,000,000.
  • Social Security wage base: $184,500 for 2026.
  • Senior deduction: up to $6,000 (single) / $12,000 (joint) for taxpayers 65+, phasing out above $75,000 / $150,000 MAGI, available 2025–2028.

How much tax will you actually owe?

The fastest path from "what are the rates" to "what is my bill" is a calculator built on this same dataset:

Every figure in this guide is dated and sourced from IRS Rev. Proc. 2025-32 and the One Big Beautiful Bill Act (Pub. L. 119-21). Tax law changes; verify with a licensed CPA or EA before filing.

Disclaimer: This article is general educational information, not tax, legal, or investment advice. Dollar amounts come from the 2026 sources listed at the end of this article and may change. Before you act, talk to a licensed CPA, EA, or tax attorney about your own situation.

Frequently asked questions

What are the 2026 federal income tax brackets?

The seven rates are 10%, 12%, 22%, 24%, 32%, 35%, and 37%. For single filers the 37% bracket starts at $640,600 of taxable income; for married joint it starts at $768,700 (IRS Rev. Proc. 2025-32).

What is the standard deduction for 2026?

$16,100 for single and married-separate filers, $32,200 for married joint and qualifying surviving spouses, and $24,150 for heads of household.

What is the highest tax bracket in 2026?

The top marginal rate is 37%, unchanged from 2025. Only the bracket thresholds were inflation-adjusted upward.

How much is the 2026 estate tax exemption?

$15,000,000 per person, permanently set by the One Big Beautiful Bill Act, with $30,000,000 available to couples through portability.

What changed in the 2026 tax year?

Thresholds were inflation-adjusted, the SALT cap rose to $40,400, the QBI deduction became permanent with a wider phase-in, the senior deduction ($6,000/$12,000) applies, and the estate exclusion rose to $15M.

Not tax, legal, or financial advice

FiscTalk provides general educational information from public sources. Tax outcomes depend on your full facts, filing history, and jurisdiction-specific rules that change yearly. Before filing or making decisions, consult a licensed CPA, EA, or attorney. FiscTalk is not a fiduciary and is not affiliated with the IRS or any state agency.

By: FiscTalk Editorial TeamFact-checked: External Tax Reviewer (CPA, licensed)Published: 2026-08-09Last reviewed: 2026-08-09