The IRS Wrote a Withdrawal Schedule for Your 401(k). You Weren't Consulted.

You spent 35 years being praised for putting money into a 401(k). Nobody warned you the government wrote itself a withdrawal schedule.

Required Minimum Distributions are mandatory withdrawals from most tax-deferred retirement accounts — traditional IRAs and most employer plans. Once they start, a minimum amount comes out every single year. Not "if you need it." Every year.

What is an RMD in plain English?

It is the IRS collecting on a 40-year-old IOU. Every dollar you put in pre-tax was a deferral, not a gift. The deal was always that taxes get paid on the way out. RMDs are the enforcement mechanism that guarantees the money eventually comes out and gets taxed.

The size is a function of your account balance and your age. Which produces the strangest incentive in American finance: the better you saved, the bigger your forced taxable income.

Why does an RMD raise taxes on things that aren't the RMD?

Because taxable income is one number, and a lot of rules watch that number.

• It can push you into a higher federal bracket — and New Jersey has its own opinions too.
• It can make more of your Social Security taxable (how that works).
• It can trip a Medicare premium surcharge (how that works).
• It eats the room you had for charitable strategies, gifting, or a Roth conversion later.

That is the trap. The withdrawal itself is annoying. The ripple effects are what cost real money.

Why does this catch good savers off guard?

Because tax-deferred growth compounds the tax problem right alongside the balance. A person who diligently never touched their IRA for 30 years arrives at their RMD year with the largest possible balance and the least possible flexibility. The discipline that built the account is exactly what built the tax bill.

And the year it starts, control flips. Up to that point you decided what your income was. After that, the IRS sets the floor.

What can you do before RMDs start?

Almost everything worth doing happens in the years before that first required withdrawal — typically the stretch between retiring and your RMD start year, when your income is naturally at its lowest.

• Build a pre-RMD plan. Model what the first RMD looks like now, not the year it lands.
• Fill low brackets on purpose. Voluntarily recognizing income in a cheap year can shrink a forced withdrawal in an expensive one.
• Get tax diversification in place so you have a tax-free bucket to pull from in a year you can't afford more taxable income.
• Look at qualified charitable giving if you give anyway — it can satisfy an obligation without inflating the income number that triggers everything else.

Eligibility and specifics depend on your situation, and the RMD start age has moved more than once in recent years. Confirm your own dates with a professional rather than what a neighbor told you at the club.

Three questions to ask your advisor this month

• "What year do my RMDs begin, and what is the projected first-year amount?"
• "If my taxable income jumps by that amount, what else changes?"
• "What is our plan for the years between now and then?"

Reality check: if you wait until RMDs begin to plan for them, your options are already narrower. The best moves happen while you still have flexibility. Everything else is damage control. This is one of four tax traps we break down in this series.

Educational only — not tax or legal advice. Tax rules change and outcomes depend on your situation. Talk to a qualified tax professional and an advisor before you move money.