Index/Topics/MAGI Exclusions for 2025 ACA Subsidy Eligibility

MAGI Exclusions for 2025 ACA Subsidy Eligibility

Determining the specific types of income excluded from Modified Adjusted Gross Income (MAGI) for 2025 Affordable Care Act (ACA) subsidy eligibility

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Jan 12, 2026
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For high-income taxpayers, when is the 110% prior-year safe harbor required instead of 100%?

For taxpayers seeking to avoid IRS underpayment penalties, the prior-year “safe harbor” generally lets a filer pay 100% of last year’s tax to be protected, but that prior-year floor is raised to 110% ...

Jan 21, 2026
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How is Modified Adjusted Gross Income (MAGI) specifically calculated for the 2025 senior deduction on IRS forms?

The Modified Adjusted Gross Income () used to determine eligibility and phase‑out of the 2025 senior deduction is calculated by starting with the taxpayer’s Adjusted Gross Income (AGI) from Form 1040 ...

Jan 26, 2026
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How do Social Security benefits affect MAGI for Medicare Part B and D premiums in 2025?

can raise the MAGI that uses to decide whether a beneficiary pays income‑related surcharges (IRMAA) for Part B and Part D, but only the taxable portion of those benefits is counted and the government ...

Jan 31, 2026

How does MAGI differ from tax return AGI and what income items most commonly change subsidy eligibility during reconciliation?

Modified Adjusted Gross Income () is calculated by starting with the adjusted gross income (AGI) on a tax return and then adding back certain items that the AGI allowed as deductions or that are exclu...

Jan 15, 2026

Common errors when determining MAGI from 1040 for tax credits?

Calculating Modified Adjusted Gross Income (MAGI) from Form 1040 is a routine gatekeeper for many tax credits and benefits, but taxpayers commonly misapply the concept by stopping at AGI or using the ...

Feb 6, 2026

What are the 2026 thresholds for filing requirements and taxes on Social Security for single vs married filers?

The rules that decide whether are taxable in 2026 rest on fixed “provisional income” thresholds rather than the annually indexed tax brackets, with single filers subject to the first-tier threshold at...

Feb 4, 2026

What are the 2026 state-by-state differences in AGI thresholds for deducting medical expenses?

The federal floor for deducting unreimbursed medical and dental expenses remains 7.5% of adjusted gross income (AGI) for 2026 — a permanent threshold under current law . The reporting provided is focu...

Jan 21, 2026

What documentation should taxpayers keep to prove non‑taxable income and MAGI calculations?

Modified adjusted gross income () starts with the AGI on Form 1040 and then adds back specific nontaxable items — chiefly untaxed foreign income, non‑taxable Social Security benefits and tax‑exempt in...

Jan 14, 2026

What types of income are excluded from ACA subsidy eligibility?

The Affordable Care Act’s premium tax credit (PTC) eligibility hinges on a household’s modified adjusted gross income (MAGI) relative to the federal poverty level (FPL), and in 2026 the temporary expa...