Bloomberg Tax is pleased to provide you with our 2025/2026 Quick Tax Reference Guide, a practical resource to help you plan and comply in the upcoming year.
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Filing deadlines for 2025 tax/information returns
Corporate tax rate schedule 2025/2026
Source: Code Section 11(b); Form 1120 Instructions
All taxable years beginning on or after Jan. 1, 2018
Individual tax rate schedules
Married individuals filing joint returns and qualifying surviving spouses
Source: Code Section 1(j); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Heads of households
Source: Code Section 1(j); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Unmarried individuals (other than qualifying surviving spouses and heads of household)
Source: Code Section 1(j); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Married individuals filing separate returns
Source: Code Section 1(j); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Long-term capital gains and qualified dividends
Source: Code Section 1(h), 1(j)(5); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Estates and trusts tax rate schedules
Income tax rates for estates and trusts
2024: Source: Code Section 1 (j); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Estates and gifts tax rates for decedents dying and gifts made in 2025 and 2026
Source: Code Sections 2001(c), 2502(a)
Applicable exclusion amount for estate and gift tax
Source: Code Section 2010(c)(3); Rev. Proc. 2024-40; Rev. Proc. 2025-32
Gift tax annual exclusion
Source: Rev. Proc. 2024-40; Rev. Proc. 2025-32
Deductions and exemptions
Standard deduction
Source: Code Section 63(c); Rev. Proc. 2024-40; Rev. Proc. 2025-32
New tax deductions under the One Big Beautiful Bill Act
Source: Public Law 119-21, (July 4, 2025)
Personal exemption
Source: Code Section 151(d); Notice IR-2025-103, Oct. 9, 2025
Deduction for qualified business income from pass-through entity
Source: Code Section 199A
Subject to certain limitations, individuals, estates, and trusts may deduct up to 20% of qualified business income they receive from sole proprietorships and pass-through entities (such as partnerships, limited liability corporations, and S corporations) in which they own an interest. The remaining income (after the 20% deduction) is taxed at the individual’s, estate’s, or trust’s regular income tax rate.
Standard mileage rates
Source: Notice 2025-05; Notice 2026-10; Code Section 217(k)
Tax limits and thresholds
Social Security tax (OASDI/HI) limit
Source: SSA Notice, 90 Fed. Reg. 49047 (Nov. 03, 2025), SSA Notice, 89 Fed. Reg. 85,276 (Oct. 25, 2024)
Self-employment tax (SECA) limit
Alternative minimum tax (AMT) limits and amounts
Source: Rev. Proc. 2024-40; Rev. Proc. 2025-32
First-year expensing limits
Source: Code Section 179(b); Rev. Proc. 2024-40; Rev. Proc. 2025-32
ERISA and tax code pension and retirement plan limits
Source: Notice 2024-80; Notice 2025-67
Medicare premiums, deductibles, and adjustments
Medicare Part B total premiums for high-income beneficiaries with full Part B coverage
Source: 90 Fed. Reg. 52,063 (Nov. 19, 2025)
Medicare Part B total premiums for high-income beneficiaries with Part B immunosuppressive drug coverage only
Source: 90 Fed. Reg. 52,063 (Nov. 19, 2025)
Medicare Part A deductible and coinsurance amounts
Source: 90 Fed. Red. 52,075 (Nov. 19, 2025)
Medicare Part D income-related monthly adjustment amounts
Source: CMS Fact Sheet (Nov. 14, 2025)
[Download this Quick Tax Reference Guide as a PDF.]
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