IPERS or TIAA? Iowa Regents employees get one irrevocable choice — a guaranteed pension vs. a portable investment plan. A fee-only Cedar Falls CFP breaks down how to decide.
If you just started a job with the University of Iowa, Iowa State, UNI, or another Board of Regents employer, there’s a decision sitting in your new-hire paperwork that’s bigger than it looks: IPERS or TIAA?
And here’s the part nobody circles in red for you — you’ve got about 60 days to choose, and once you pick, that’s it. The decision is irrevocable. You can’t switch later when you’ve got more information or your life looks different. So it’s worth slowing down for an afternoon and actually understanding what you’re choosing between.
We’re flat-fee, fee-only financial planners in Cedar Falls, and we walk Iowa public employees through this all the time. No commissions, no products to sell — our only job is to help you make a good call for your situation. Let’s dig in.
Both are good plans. They’re just built for different lives.
The honest answer to “which is better” is the one financial people hate to give: it depends. Mostly on how long you’ll stay and what you want this money to do. Stick with me and we’ll make it concrete.
IPERS — the Iowa Public Employees’ Retirement System — is a defined benefit plan. That’s a fancy way of saying it defines the benefit you get at the end. You don’t have an account balance bouncing around with the market. You have a promise.
While you’re working, a little over 6% comes out of each paycheck and your employer kicks in around 9.4%. When you retire, IPERS runs a formula — your highest five-year average salary, times your years of service, times a multiplier — and pays you that amount every month for the rest of your life. We break the formula and the famous Rule of 88 down in our guide to retiring with IPERS.
Two things to know going in:
The appeal here is simple: certainty. A paycheck that shows up whether the market is having a great decade or a miserable one. For a lot of people, that’s worth a lot.
TIAA is a defined contribution plan — a 403(b), basically a cousin of the 401(k). Instead of defining the benefit at the end, it defines what goes in. You contribute 5% of your pay, the university contributes 10%, and that money goes into an account with your name on it that you control.
A few things make this one attractive:
The tradeoff is the flip side of control: no guarantees. Your balance rides the market, and there’s no automatic monthly check waiting for you at the end. You can create your own lifetime income later — TIAA lets you turn part of the balance into an annuity (TIAA Traditional) — but that’s on you to set up, not a promise baked in from the start.
Strip away the jargon and most of this comes down to one thing — how long you plan to be an Iowa public employee.
IPERS rewards people who stay. The formula leans heavily on years of service and your final-years salary, so a 30-year career produces a genuinely strong pension. But it punishes leaving early — bail before seven years and you walk away from the employer’s share entirely.
TIAA doesn’t care how long you stay. You’re vested on day one and you take it all with you, so it’s built for people whose careers might wander — a few years here, then a move, a private-sector jump, a spouse’s job in another state.
So the gut-check is: are you planting roots, or keeping your options open?
The second question is the one we ask about every dollar around here: what’s this money for, and how do you want it to feel? Some people sleep better knowing a fixed amount lands in the account every month no matter what — that’s IPERS. Others want control, growth, and the ability to leave whatever’s left to their kids — that’s more of a TIAA story. There’s no wrong answer. There’s just your answer.
Painting with a broad brush — and your situation is its own puzzle — here’s how it usually shakes out.
IPERS tends to fit you if you:
TIAA tends to fit you if you:
One thing that’s not a deciding factor: Iowa taxes. Both plans get the same gift on the back end — since 2023, Iowa doesn’t tax retirement income for people 55 and older, so whether it’s an IPERS pension or TIAA withdrawals, the state leaves it alone. Uncle Sam still wants his share federally — more on that in Is IPERS Taxable? and why Iowa has quietly become a good state to retire in tax-wise. We have to pay our share — we just don’t have to leave a tip.
Whichever you choose, it’s not the whole retirement. You’ve likely got room to save in a 457(b) or 403(b) on top of it, plus Social Security, an HSA, maybe a Roth. The retirement-plan election is a big lever, but it’s one of several — and a good plan pulls all of them together.
Here’s the bottom line, and it’s the reason we wrote this: you only get to make this call once. Most money decisions can be fixed later. This one can’t. So if you’re sitting there flipping a coin between a guaranteed pension and a portable investment account — with no salesperson in the room and no commission riding on your answer — that’s exactly the kind of fork in the road worth a second opinion.
If you want to talk it through with a fee-only CFP® who does this for Iowa public employees all the time, grab a free introduction meeting, or just give us a holler. No pressure, no pitch — just a straight answer for your situation.
In almost every case, no. The election is irrevocable once you make it — that’s why it’s worth getting right inside your 60-day window.
Don’t let it default for you. If you miss the window, your employer’s rules decide for you, and that may not be the plan you’d have picked. Make the choice on purpose.
At the Regents universities, you put in 5% and the university puts in 10% — so yes, roughly two dollars for every one of yours, and vested immediately. Always confirm the current numbers with your HR or benefits office, since rates can be adjusted.
Different kinds of safe. IPERS removes the market risk but ties you to staying long enough to vest. TIAA removes the “what if I leave” risk but puts the market risk on you. Safe depends on which risk keeps you up at night.
This is general education, not individual financial, tax, or legal advice. Contribution rates and plan rules can change — confirm the current details with your employer’s benefits office and IPERS (ipers.org) for your situation.