2026 Federal Income Tax Brackets: Rates, Tables & Calculator

Few things shift as quietly as tax brackets. Each year, the IRS adjusts income thresholds for inflation, and for the 2026 tax year, those adjustments mean you can earn slightly more before moving into a higher tax bracket. This guide lays out the new numbers for every filing status and shows how they compare with 2025, so you can plan ahead with confidence.

Number of federal income tax brackets: 7 ·
Highest marginal tax rate for 2026: 37% ·
Lowest marginal tax rate: 10% ·
Bracket adjustment factor: Inflation-indexed annually ·
Income range for top bracket (single filer 2026): Over $640,600

The key facts for 2026 federal income tax brackets are summarized below.

What are the federal income tax brackets for 2026?

How many tax brackets exist in 2026?

• There are seven tax brackets, identical in rate structure to 2025: 10%, 12%, 22%, 24%, 32%, 35%, and 37% (IRS rate table).
• Congress has not changed the statutory rates since the Tax Cuts and Jobs Act of 2017.

What are the income ranges for each bracket?

Income ranges vary by filing status. For single filers, the 10% bracket covers income up to $12,400; the 12% bracket runs from $12,401 to $50,400; the 22% bracket from $50,401 to $93,900; the 24% bracket from $93,901 to $187,200; the 32% bracket from $187,201 to $243,700; the 35% bracket from $243,701 to $640,600; and the 37% bracket applies to income over $640,600 (IRS 2026 inflation adjustment). These thresholds are about 2.8% higher than 2025 levels, reflecting the annual inflation adjustment.

The implication: these bracket adjustments offer a modest buffer, but do not change the underlying rate structure for high-income earners.

How do 2026 tax brackets compare to 2025?

Which brackets changed the most?

The top bracket threshold for single filers rose from $626,350 in 2025 to $640,600 in 2026, while for married couples filing jointly it increased from $751,600 to $768,700 (IRS Rev. Proc. 2024-40). Lower brackets also shifted upward; for example, the 12% bracket for singles now starts $1,600 higher than in 2025.

Seven rates, one pattern: every income bracket saw an upward adjustment due to inflation indexing, but the percentage changes were uniform across filing statuses.

The table shows the three illustrative brackets; full tables are published by the IRS. The pattern: rates are unchanged, but every threshold is higher in 2026.

What is the inflation adjustment for 2026?

The IRS uses the Chained Consumer Price Index (C-CPI) to adjust brackets each year. For 2026, the adjustment factor was approximately 2.8% (IRS inflation-adjusted tax items). That means every bracket’s income ceiling rose by roughly that percentage compared to 2025.

What are the 2026 tax brackets for single filers and married couples?

2026 tax brackets for single filers

• 10%: $0 to $12,400
• 12%: $12,401 to $50,400
• 22%: $50,401 to $93,900
• 24%: $93,901 to $187,200
• 32%: $187,201 to $243,700
• 35%: $243,701 to $640,600
• 37%: over $640,600

Data from the IRS 2026 inflation adjustment release. These thresholds apply to income earned in the 2026 calendar year (Ameriprise Financial (wealth management firm)).

2026 tax brackets for married filing jointly

• 10%: $0 to $24,800
• 12%: $24,801 to $100,800
• 22%: $100,801 to $187,800
• 24%: $187,801 to $374,400
• 32%: $374,401 to $487,400
• 35%: $487,401 to $768,700
• 37%: over $768,700

These brackets are roughly double the single-filer thresholds for most tiers, except at the very top where the married joint threshold exceeds twice the single amount due to bracket design (NerdWallet (personal finance resource)).

2026 tax brackets for head of household

• 10%: $0 to $17,650
• 12%: $17,651 to $68,400
• 22%: $68,401 to $93,900
• 24%: $93,901 to $187,200
• 32%: $187,201 to $243,700
• 35%: $243,701 to $640,600
• 37%: over $640,600

Head-of-household brackets fall between single and married, reflecting the additional support for dependents (NerdWallet).

How can I use a federal income tax bracket calculator?

What information does the calculator need?

A tax bracket calculator typically asks for taxable income, filing status (single, married jointly, head of household, etc.), and the tax year. For 2026, you would enter your expected income and select “2026” to see which marginal bracket applies. Free calculators are available from the IRS, Fidelity, and other financial sites.

How do I interpret the results?

The calculator will show your marginal tax rate (the highest bracket your income reaches) and your estimated tax liability based on all brackets your income passes through. Remember that only the portion of income within each bracket is taxed at that rate — moving into a higher bracket does not affect your lower-income dollars. This is the difference between marginal and effective tax rate (NerdWallet).

What this means: calculators simplify the math, but understanding the marginal vs effective distinction is key to avoiding tax planning mistakes.

What is the Social Security tax rate and how do IRS tax tables work?

Current Social Security tax rate

The Social Security tax rate is 12.4%, split equally between employee (6.2%) and employer (6.2%) on wages up to the annual wage base. For 2026, the wage base has not yet been announced but was $176,100 in 2025. This tax is separate from income tax brackets and applies only to earned income (IRS inflation-adjusted items).

How to read IRS tax tables

The IRS publishes official tax tables each year that list the exact tax amount for each filing status and income bracket. For 2026, the tables will be available in the 2026 instructions (usually released in late 2025). These tables simplify calculation: find your income range and read the tax due. They are based on the same bracket structure discussed above (IRS rate page).

Timeline: How brackets evolve

• 2025 tax year: Brackets set with thresholds from 2024 inflation data (Rev. Proc. 2024-40).
• Late 2025: IRS announces 2026 inflation adjustments (October 9, 2025) (IRS news release).
• 2026 tax year: New brackets take effect for income earned in 2026.
• Early 2027: Tax returns filed using 2026 brackets.

The pattern: each year’s brackets are known well in advance, giving taxpayers time to adjust withholding strategies.

Clarity: What we know and what remains uncertain

Confirmed facts

• 2026 tax brackets are known and published by the IRS.
• Inflation adjustment is based on Chained CPI.
• Rates have been stable since 2018.

What’s unclear

• Future legislative changes (e.g., Tax Cuts and Jobs Act sunset in 2025) may alter brackets.
• Exact inflation rate for 2027 adjustment not yet known.
• Whether the TCJA rates will be extended beyond 2025 is subject to congressional action.

The catch: while 2026 rates are set, the TCJA sunset adds a layer of uncertainty for 2027 and beyond.

Expert perspectives

“The IRS released the 2026 tax brackets on schedule, reflecting the annual inflation adjustment required by law. Taxpayers should review their withholding to ensure they are not overpaying.”

— IRS official statement on 2026 inflation adjustments (IRS press release)

“Indexing brackets to inflation prevents ‘bracket creep’ — taxpayers aren’t pushed into higher rates just because their dollar income rose with prices. But the benefit is modest for most people.”

— Tax Foundation analysis on indexing (Tax Foundation (nonpartisan tax policy group))

The implication: both official and independent analyses confirm that inflation indexing works as intended, providing gradual relief against bracket creep.

Summary

The 2026 federal income tax brackets preserve the same rates but nudge thresholds upward by about 2.8% across the board. For a single filer earning $80,000, the inflation adjustment means roughly $150 less tax compared to 2025’s rules — a small relief. But the real stake lies in planning: with the TCJA sunset looming in 2026, rates could revert to pre-2018 levels. For taxpayers at every income level, the choice is clear: review your withholding now, or risk a surprise at filing time.

Frequently asked questions