A million dollars. Say it out loud and it still sounds like a lot of money. Back in 2011, if you were 40 and told yourself you’d retire at 65 with a cool million in the bank, you probably felt pretty good about that plan. Responsible. Ambitious, even.

Here’s the problem: that number has been quietly lying to you for 25 years.

The Number That Eats Your Savings While You Sleep

There’s a figure most retirement planners gloss over because it doesn’t fit neatly into a motivational chart. It’s the inflation rate. Not sexy. Not scary in any single year. But over 25 years? It’s a wrecking ball in slow motion.

The long-run average sits around 3% per year. That sounds harmless — like background noise. But run the math on that “harmless” 3% over a quarter century, and your $1 million nest egg has the purchasing power of roughly $500,000 in today’s dollars by the time you crack it open in 2036.

Half. You saved a million and got to spend like someone with half that.

That thing that cost you $1,000 in 2011? Budget $2,000 for it in 2036. Your grocery bill, your property taxes, your prescriptions — they’ve all been riding that same escalator, and they’re not coming back down.

It Doesn’t Stop When You Retire

Here’s where it gets really uncomfortable. Inflation doesn’t hand you a gold watch and leave you alone once you stop working. If you retire at 65 with $2 million and think you’re set, that money is still losing ground every single year you’re drawing from it. By the time you’re 80, your purchasing power has taken another serious hit — right when healthcare costs are climbing fastest.

The number you trust on the day you retire is already shrinking by the time you pour your second cup of coffee as a retiree.

What You Can Actually Do About It

The good news: inflation is predictable enough to plan around, if you stop ignoring it. A few moves worth thinking through:

Raise your target. If your retirement goal doesn’t account for 25 years of purchasing power erosion, it’s not a goal — it’s a wish. Consider doubling what you think you’ll need, or at least stress-testing your number against 3% annual inflation. Your future self will thank you.

Work a couple more years if you can. Nobody wants to hear this, but an extra two or three years does double duty — your nest egg keeps growing while the number of years it has to support you gets smaller. That math is powerful.

Wait on Social Security until 70. Every year you delay past your full retirement age, your monthly check grows. And since Social Security comes with cost-of-living adjustments — those nearly annual COLAs — a bigger base benefit means bigger inflation bumps down the road. Multiple studies confirm that for most people, waiting until 70 pulls in the most total benefits over a lifetime.

Own things that grow their payouts. Dividend-paying stocks from solid, growing companies tend to increase their payments over time — often keeping pace with or beating inflation. You don’t need to become a stock-picking hobbyist. A couple of dividend-focused exchange-traded funds — ETFs, basically baskets of those stocks bundled together — can do the heavy lifting for you. Those checks keep coming in good markets and bad ones.

The Real Risk Isn’t a Crash

Most people worry about the dramatic stuff — a market crash, a recession, some headline out of Washington. And sure, those matter. But the thing most likely to quietly wreck your retirement isn’t dramatic at all. It’s the slow, invisible grind of prices going up 3% a year, every year, while your savings sit there pretending a million is still a million.

Your retirement number isn’t wrong because you picked it carelessly. It’s wrong because you picked it in a year that no longer exists. Plan for the dollars you’ll actually spend, not the ones you saved.