Why Powerball Withholds 24%—Even When You May Owe Nearly 37%

Imagine winning a $262.8 million Powerball cash prize and receiving about $199.7 million after federal withholding. That sounds like an after-tax fortune. But there is an important catch: the amount withheld is only a payment toward your tax bill, not the final calculation.

Understanding that distinction also helps explain how Powerball’s 30-payment annuity is taxed—and why spreading a jackpot across decades does not necessarily keep you out of the top tax bracket.

Withholding is a down payment, not a tax rate

Federal withholding is money the lottery sends to the IRS on your behalf before paying you the rest of your prize. For a large lottery prize, federal rules generally require withholding at 24%.

That percentage is a collection rule. It is not a promise that your winnings will ultimately be taxed at 24%.

Withholding determines how much tax you pay upfront. Your tax return determines how much you actually owe.

When you file your federal income tax return, you report the winnings along with your other income. You calculate the tax due, then receive credit for the money already withheld.

• If withholding and other tax payments exceed your final bill, you generally receive a refund.
• If they fall short, you owe the difference.

The lottery reports your winnings and federal withholding on Form W-2G, the tax form used to report certain gambling winnings. You use that information when preparing your return. The IRS’s W-2G instructions explain the reporting and withholding rules.

Why not withhold 37% instead?

Because the required withholding percentage and the income-tax brackets serve different purposes.

Withholding provides a standardized way to collect tax when the prize is paid. Your final tax liability depends on your filing status, total income, deductions, credits, and the tax rules for that year. The lottery does not settle all of those questions when it issues your payment.

For a very large jackpot, however, the result is predictable in broad terms: most of the winnings will fall into the highest federal income-tax bracket. A 24% payment can therefore leave a substantial gap.

How the 37% bracket actually works

A marginal tax rate is the rate applied to your next dollar of taxable income. Under a graduated tax system, different slices of income are taxed at different rates.

Think of your income as filling a series of buckets. The lower buckets are taxed at lower rates; only the income that reaches the highest bucket is taxed at the top rate.

For a single filer in 2026, the 37% bracket begins above $640,600 of taxable income. Taxable income is income remaining after applicable deductions—not necessarily the full amount received.

Crossing that threshold does not cause every dollar below it to be taxed at 37%. But with a prize worth hundreds of millions of dollars, the lower-taxed slices are small relative to the whole.

That is why both of these statements can be true:

• Your entire jackpot is not taxed at a flat 37%.
• Your total federal income tax can nevertheless be very close to 37% of the jackpot.

A worked example: the $199.7 million check

Suppose you are the sole winner and choose a $262.8 million cash option, paid in July 2026.

For this illustration, assume you:

• File as single.
• Have no other income.
• Take the 2026 standard deduction of $16,100.
• Have no other deductions or credits.

The standard deduction is a set amount you can subtract from income when calculating taxable income, rather than listing individual deductible expenses.

Using the IRS’s 2026 federal brackets and standard deduction, the approximate result is:

These figures exclude state and local taxes and any other tax circumstances.

The key distinction is between the initial payment of roughly $199.7 million and the roughly $165.6 million left after the full federal tax bill.

The additional $34.1 million is not a second tax on the same winnings. It is the unpaid portion of the original tax bill.

Do you have to pay the difference before filing?

Possibly. Federal income tax generally operates on a pay-as-you-go basis: you pay during the year through withholding, estimated payments, or both.

An estimated tax payment is a payment you send directly to the IRS rather than having it withheld by a payer. A jackpot winner may need one or more such payments before filing the annual return.

Whether an underpayment penalty applies depends on the timing and amount of payments and the applicable rules, including rules tied to the prior year’s tax. A large balance due at filing does not automatically mean a penalty—but you should not assume that waiting until filing is safe.

Practically, you would want to set aside the expected shortfall immediately, rather than treat the entire initial check as available to spend.

How the annuity changes the tax picture

Powerball’s annuity consists of 30 graduated payments: one payment immediately, followed by 29 annual payments. Each is 5% larger than the previous one, according to Powerball’s payment terms.

Here, graduated simply means the payments increase over time.

With the annuity, you generally recognize the prize income as each installment is paid, rather than reporting the entire advertised jackpot as income in the first year.

For each annual payment:

1. The lottery reports that year’s winnings on Form W-2G.
2. It generally withholds 24% under the applicable withholding rules.
3. You calculate your actual income tax under that year’s tax law.
4. You receive credit for the withholding and pay any remaining balance.

The withholding-versus-final-tax distinction therefore repeats each year.

Does spreading the prize out avoid the top bracket?

For a large jackpot, generally not.

Consider an advertised $600 million annuity. With payments increasing 5% annually, the approximate schedule would begin and end as follows:

Even the first payment is far above the 2026 top-bracket threshold. Under those rules, and with otherwise ordinary tax circumstances, most of that installment would still be taxed at 37%.

Spreading income over time can change when you pay tax without meaningfully lowering the tax bracket on most of that income.

For a much smaller prize, spreading payments across years could have a greater effect on which brackets apply. But a multimillion-dollar annual installment is already well into the highest current federal bracket.

What changes—and what remains uncertain—over 30 payments

The annuity does not lock in today’s tax law for three decades. Each payment is subject to the rules applicable when you receive it.

Your eventual after-tax payments can therefore depend on:

• Future tax rates and brackets. Congress can change the law.
• Your other income. Investment earnings and other income affect your annual return.
• Your deductions and credits. Your circumstances may change.
• State and local taxes. These can affect what you keep and require separate analysis.

This means you cannot reliably calculate 30 years of exact after-tax payments simply by subtracting today’s withholding percentage—or even today’s top tax rate—from every installment.

Compare after-tax amounts, not headline numbers

The cash and annuity choices should not be framed as “24% tax versus 37% tax.” Both options involve withholding followed by a final tax calculation.

Nor is it enough to compare the cash option directly with the advertised annuity total. The annuity total adds together payments received over 29 years after the initial installment; the cash option is money available now.

The useful comparison is:

After-tax cash today versus after-tax payments received over time.

For the illustrative cash prize, that means starting with roughly $165.6 million after federal income tax, not the $199.7 million initial payment. For the annuity, it means considering each year’s payment after its eventual taxes—and recognizing that receiving money decades from now is different from receiving it today.

The simplest rule to remember is also the most important: “after withholding” does not mean “after all taxes.”