Retirement Retirement Planning

3 Retirement Tax Rules That Changed Recently (And Who Needs To Pay Attention)

Small timing choices could have an outsized financial impact.

By Adam Palasciano , Edited by Becca Borawski Jenkins

Updated July 31, 2026

Add Us On Google

Tax changes don't always arrive with much fanfare, yet they can reshape how much you keep from Social Security, retirement withdrawals, and your final working years.

A thoughtful retirement plan now needs to account for several newer federal rules affecting deductions, required distributions, and workplace contributions. Some create valuable breathing room, while others could produce a larger tax bill later if you overlook the fine print.

A few well-timed choices could make a bigger difference than you might expect.

Now Available: The Definitive Guide to Retirement Income

Many successful investors eventually reach the same moment. The saving is done, the portfolio is built, and the question quietly changes from how much can I grow this to how much can I take out? Get that second question wrong and decades of good investing can come apart in a handful of years.

That is exactly what The Definitive Guide to Retirement Income helps answer.¹ <p class="">Investing in securities involves a risk of loss. Past performance is never a guarantee of future returns. Investing in foreign stock markets involves additional risks, such as the risk of currency fluctuations. Guides are provided by Fisher Investments. The publisher may be compensated when readers request a guide.</p> It covers what your retirement could actually cost, which income sources are worth using, and the withdrawal math that decides whether the money lasts. It is free today from Fisher Investments. Read More Here ›

The new senior deduction can lower taxable income

A temporary federal deduction now allows people age 65 and older to subtract up to $6,000 from taxable income for tax years 2025 through 2028, or up to $12,000 for a married couple when both spouses qualify.

The IRS highlights that the senior deduction can be claimed in addition to the regular standard deduction, while people who itemize can claim it too. It begins to phase out when modified adjusted gross income, or MAGI, exceeds $75,000 for single filers or $150,000 for married couples filing jointly. Retirees near those limits should watch the timing of traditional IRA withdrawals, investment gains, and Roth conversions because extra income in one year could reduce part or all of the deduction.

Shopping for cheaper auto insurance? Enter your zip code here to get started.

RMDs start later, but waiting can create a tax squeeze

SECURE 2.0 raised the starting age for required minimum distributions, or RMDs, to 73 for many owners of traditional IRAs, SEP IRAs, SIMPLE IRAs, 401(k)s, and similar accounts.

The IRS explained that some workers can delay distributions from a current employer's plan until retirement, although that exception generally doesn't apply to employees who own more than 5% of the business. Waiting gives tax-deferred money more time to grow, but a larger balance may create larger future RMDs.

At the same time, taking distributions from a larger 401(k) balance may raise the income calculation used for Social Security, potentially moving someone from having up to 50% of benefits taxable to having up to 85% taxable.

The penalty for missing an RMD has fallen from 50% to 25%, or 10% if corrected within two years, and original owners no longer face lifetime RMDs from Roth 401(k)s.

Ages 60 to 63 get a larger catch-up window

Workers ages 60 through 63 whose workplace plans allow catch-up contributions received a new chance to save more beginning in 2025: a "super catch-up" contribution. That year, the higher catch-up limit was $11,250, compared with the standard $7,500 catch-up for most workers age 50 and older; for 2026, the special limit remains $11,250 while the standard catch-up rises to $8,000.

This can help people in their peak earning years close a retirement savings gap, but the tax treatment matters because pretax contributions may lower current taxable income while Roth contributions don't.

For 2026, the IRS set the prior-year wage threshold at $150,000, and workers who earned more than that from the employer sponsoring the plan may have to make catch-up contributions as Roth contributions rather than pretax contributions.

Released: The Definitive Guide to Retirement Income (Sponsor)

Most people spend their entire working lives focusing on one thing: growing a pile of money. Then they retire and discover the skill they actually need is close to the opposite. Turning that pile into steady income, year after year, through good markets and bad, without ever running out. It may be the least discussed and most consequential transition in personal finance, and plenty of otherwise careful investors walk into it with no real plan.

That is exactly what The Definitive Guide to Retirement Income helps answer.¹ <p class="">Investing in securities involves a risk of loss. Past performance is never a guarantee of future returns. Investing in foreign stock markets involves additional risks, such as the risk of currency fluctuations. Guides are provided by Fisher Investments. The publisher may be compensated when readers request a guide.</p> It is a free guide from Fisher Investments covering what your retirement will really cost, where the cash flow should come from, and how much you can safely withdraw each year. Learn More Here ›

Why these changes matter for retirees

These rules don't operate in separate boxes. A Roth conversion might reduce future RMDs, for example, but it can also raise MAGI now and shrink the temporary senior deduction; delaying withdrawals can preserve flexibility today while concentrating taxable income later.

Likewise, making a larger Roth catch-up contribution may increase today's tax bill, yet create a pool of money that generally won't require lifetime RMDs for the original owner.

People approaching retirement should compare projected income, withdrawal needs, contribution elections, and tax thresholds while there's still time to adjust them.

Bottom line

All three changes reward planning before a decision becomes irreversible for the year. Which matters more right now — reducing this year's taxable income, or building more flexibility for later? A side-by-side estimate can make that trade-off much clearer.

Tax strategy can't guarantee better investment returns, but keeping more of your money available may help you grow your wealth over time. Review withdrawal timing, MAGI thresholds, and workplace contribution elections before year-end, rather than waiting until tax forms arrive.

More from FinanceBuzz: