Retirement Social Security

How Working Part-Time in Retirement Can Quietly Change Your Social Security Benefits

Working in retirement provides extra income, but may impact your Social Security benefit.

By Lee Huffman

Edited by Amanda Machado

Updated March 16, 2026

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Working part-time in retirement gives you more financial flexibility and can stretch your savings. Many retirees take on part-time work to stay active, maintain social connections, or supplement fixed income, like Social Security and pensions.

However, earning income while collecting Social Security can affect your benefits in ways that are not always obvious. Some retirees are surprised to see part of their benefits temporarily withheld or taxed differently. Learn how Social Security rules apply when you work in retirement, how senior benefits may be withheld or taxed, and what ages are affected.

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Why do retirees choose to work part-time?

Part-time work has become increasingly common in retirement. Longer life expectancy, rising health care costs, and stock market uncertainty have led many retirees to look for additional income sources. Working a few hours each week can help cover everyday expenses or delay withdrawals from retirement savings, while still allowing you to spend time with loved ones, pursue hobbies, or travel.

Beyond financial reasons, part-time work also offers lifestyle benefits. Many retirees value the routine, social interaction, and sense of purpose that work provides. A modest paycheck can make retirement budgets more comfortable, especially for retirees who didn't save enough or whose portfolios have been affected by stock market volatility.

However, once you start collecting Social Security payments, you need to be careful with how that income affects your benefits. The most important rule for early retirees to understand is the Social Security earnings test.

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How the Social Security earnings test works

If you claim Social Security benefits before reaching full retirement age (FRA), the Social Security Administration applies what is known as the earnings test. This rule temporarily withholds portions of your benefits when your income exceeds certain limits.

For retirees who have not yet reached full retirement age, the 2026 earnings threshold is $24,480. If your earned income exceeds that amount, Social Security will withhold $1 in benefits for every $2 you earn above the limit.

In the year you reach full retirement age, the rule becomes more lenient. The earnings threshold rises to $65,160, and the withholding rate drops to $1 for every $3 earned above the limit. Importantly, this rule applies only to income earned before the month you reach full retirement age.

The income that counts toward the earnings test includes wages from employment and net income from self-employment. All other income does not impact your benefits, including investment income, pensions, withdrawals from retirement accounts, and capital gains. Using this knowledge allows retirees to build supplemental retirement income without triggering a reduction in benefits.

What happens to benefits that are withheld

A common misconception is that withheld benefits are permanently lost. While your benefits are reduced before reaching full retirement age, the Social Security Administration adjusts your monthly benefit later to account for those withheld payments.

Once you reach full retirement age, Social Security recalculates your benefit amount. The agency credits you for the months when benefits were withheld due to excess earnings. Your future monthly payment is then increased accordingly.

Over time, those adjustments help you recover the value of the withheld benefits through slightly higher monthly checks. The process can take time to fully offset the withheld amount, but the benefits are not simply forfeited.

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How part-time income can affect taxes on Social Security

Part-time earnings can also affect how much of your Social Security income becomes taxable. While Social Security benefits were originally tax-free, federal law now allows up to 85% of benefits to be taxed, depending on your total income.

The IRS determines this using a formula called combined income, which is the total of your adjusted gross income, nontaxable interest, and half of your Social Security benefits.

For 2026, taxation begins when combined income exceeds these thresholds:

Single filers: 50% of benefits are taxable when you make $25,000 to $34,000. Above that limit, your benefits are up to 85% taxable.
Married couples filing jointly: benefits are 50% taxable when your income is $32,000 to $44,000. If you make above that amount, up to 85% of your benefits are taxable.

Even modest part-time income can push retirees above these limits. Monitor your income closely to avoid exceeding the limit and having your benefits subject to federal income tax.

When the earnings test disappears

The earnings test only applies until you reach full retirement age. For people born in 1960 or later, full retirement age is 67.

Once you reach that milestone, the earnings test disappears entirely. You can earn any amount without reductions to your full Social Security benefit.

However, income taxes on benefits apply to all retirees, regardless of age. The key factors are your tax filing status and your total income level. For many retirees, working after full retirement age simplifies planning because earnings no longer reduce monthly checks.

Bottom line

Working part-time during retirement can strengthen your financial security. However, it can also affect Social Security in ways that make working counterproductive to your wallet. If you claim benefits before full retirement age, the earnings test may temporarily reduce your checks when income exceeds certain thresholds. While those withheld benefits are not permanently lost, the reduced deposits may impact your retirement budget and make it harder to pay your bills.

Part-time income can also increase the likelihood that you'll owe taxes on your Social Security benefits. Understanding these rules allows you to coordinate work and benefits more effectively as part of your retirement plan.

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