Tax Changes and Key Amounts for the 2024 Tax Year

There are lots of tax changes for 2024. Some reflect prior-year inflation. Others are new rules. But one thing is certain. all taxpayers are affected.

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2024 written on wooden blocks with the 4 tilted

(Image credit: Getty Images) last updated 2 February 2024

Proper tax planning requires an awareness of what's new and changed from last year, and there are lots of tax law changes and updates for 2024 that you need to know.

To help, we put together a list of the most important tax law changes and adjustments for 2024, with some related items grouped. Pay attention to these changes because they can hurt or help your bottom line. Use this information now so you can hold on to more of your hard-earned money when it's time to file your 2024 federal income tax return (in early 2025).

Retirement plan changes

Retirement plan changes

The SECURE 2.0 Act of 2022 bolsters retirement savings, with over 90 provisions with different effective dates. Among the changes that take effect this year are the following.

For more information on the above changes, see Kiplinger’s summary of SECURE 2.0 retirement plan changes.

Additionally, key dollar limits on workplace retirement plans and IRAs increase in 2024. The maximum 401(k) contribution is $23,000. People born before 1975 can contribute an extra $7,500. These limits also apply to 403(b)s and 457 plans.

SIMPLEs have a $16,000 cap, plus $3,500 for individuals age 50 and older.

The 2024 contribution cap for traditional IRAs and Roth IRAs is $7,000, plus $1,000 as an additional catch-up contribution for individuals age 50 and older.

The income ceilings on Roth IRA pay-ins are higher for 2024. Contributions phase out at adjusted gross incomes of $230,000 to $240,000 for joint filers and $146,000 to $161,000 for single filers.

2024 deduction phaseouts for traditional IRAs range from adjusted gross incomes of $123,000 to $143,000 for joint filers covered by 401(k)s and $77,000 to $87,000 for single filers and heads of household. If only one spouse is covered by the plan, the phaseout range for deducting pay-ins for the uncovered spouse is $230,000 to $240,000.

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Tax credits and deductions 2024

Tax credits and deductions 2024

EV tax credit

Eligible buyers of qualifying EVs can opt to monetize up to the $7,500 federal EV tax credit. starting in 2024, by transferring it to the dealer at the time of purchase, thus lowering the amount the buyer pays for the car. Buyers can otherwise elect to claim the break on their federal tax return that they will file in the subsequent year. For more information, see: EV Tax Credits Changed Again on Jan. 1.

IRS guidance requires auto dealers to register on the IRS’s online tool, IRS Energy Credits Online, to receive advance credit payments from eligible EV sales. Buyers who opt for the advance credit to lower the cost of the car will have to repay it when filing their Form 1040 if their modified AGI exceeds the limit for taking the credit.

Adoption tax credit

The adoption credit is taken on up to $16,810 of qualified expenses in 2024. The full credit is available for a special-needs adoption even if it costs less. The credit phases out for filers with modified AGIs over $252,150 and ends at $292,150

Standard Deduction

Standard deduction amounts for 2024 have been inflation-adjusted and are higher than they were last year. For more information, see Standard Deduction 2024 Amounts and The Extra Standard Deduction for People Age 65 and Older.

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Key tax amounts 2024

Tax brackets

The income tax brackets for individuals are much wider for 2024 because of inflation during the 2023 fiscal year. Tax rates are unchanged. To view income tax brackets for the 2023 and 2024 tax years, see 2023 and 2024 Tax Brackets and Federal Income Tax Rates.

Capital gains and qualified dividends

The favorable tax rates on long-term capital gains and qualified dividends do not change. But the income thresholds to qualify for the various rates go up for 2024. The 0% tax rate applies at taxable incomes up to $94,050 for joint filers, $63,000 for heads of household and $47,025 for single filers. The 20% tax rate starts at $583,751 for joint filers, $551,351 for heads of household and $518,901 for single filers. The 15% tax rate is for filers with taxable incomes between the 0% and 20% break point.

Minimum tax

AMT exemptions rise for 2024 to $133,300 for couples and $85,700 for singles and household heads. The exemption phaseout zones start at $1,218,700 for couples and $609,350 for others. The 28% AMT rate kicks in above $232,600.

Kiddie tax

The kiddie tax has less bite in 2024. The first $1,300 of unearned income of a child under age 19 (under age 24 if a full-time student) is tax-free. The next $1,300 is taxed at the child’s rate. Any excess is taxed at the parent’s rate.

Fringe Benefits

Employees covered by health flexible savings accounts can defer up to $3,200. The cap on tax-free employer-provided parking for 2024 is $315 a month. The exclusion for mass transit passes and commuter vans match that amount. U.S. taxpayers working abroad have a $126,500 income exclusion for 2024, provided they meet all the eligibility requirements.

HSAs

For more information about 2024 medical savings account contribution limits, see FSA and HSA Contribution Limits for 2024.

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Gift and estate tax exclusion

Gift and estate tax exclusion

The lifetime estate and gift tax exemption for 2024 is $13,610,000.

More estate tax liability qualifies for an installment payment tax break. If one or more closely held businesses make up greater than 35% of a 2024 estate, as much as $740,000 of tax can be deferred, and the IRS will charge only 2% interest.

The annual gift tax exclusion for 2024 is $18,000 per donee. That means in 2024, you can gift up to $18,000 ($36,000 if your spouse agrees) to each child, grandchild or any other person without having to file a gift tax return or tap your lifetime estate and gift tax exemption. Annual gifts over the exclusion amount will trigger filing of a gift tax return for 2024, but no gift tax will be due unless your total lifetime gifts exceed $13,610,000.

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Business tax changes

Business tax changes

Depreciation

First-year bonus depreciation isn’t as valuable in 2024. Last year, businesses could deduct 80% of the cost of new and used qualifying business assets with lives of 20 years or less. This year, the 80% write-off decreases to 60%.

But Section 179 expensing is higher. $1,220,000 of assets can be expensed in 2024.

Pass-through income

A key dollar threshold on the 20% deduction for pass-through income rises in 2024. Self-employeds and owners of LLCs, S corporations and other pass-throughs can deduct 20% of their qualified business income, subject to limitations for individuals with taxable incomes of more than $383,900 for joint filers and $191,950 for all others.

Accounting method

More companies can use the cash method of accounting. For taxable years beginning in 2024, C corporations with average annual gross receipts of $30 million or less over the previous three years can use the cash method. This threshold also applies to partnerships and LLCs that have C corporations as owners.

Mileage rate

The 2024 standard mileage rate for business driving is 67 cents per mile. The mileage allowance for medical travel and military moves is 21 cents per mile in 2024. The charitable driving rate is fixed by law and stays put at 14 cents a mile.

Clean-energy credits

Certain clean-energy credits in the Inflation Reduction Act can be monetized. Businesses may elect to transfer 11 of the credits to unrelated third parties for cash. State and local government and their instrumentalities and tax-exempt organizations can elect to treat 12 of the energy-savings credits as a payment of federal income tax and receive an income tax refund for the amount that exceeds any taxes they owe.

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