If your retirement plan is a 401(k), you're in the majority now.
Only about 13% of private-sector workers still have access to a traditional pension, down from roughly 35% in the early 1990s.
That shift has quietly moved a mountain of risk from employers onto everyday households.
A pension is simple on paper: you work a set number of years, then collect a guaranteed monthly check for life, usually based on your salary and tenure.
You fund it yourself, often with a company match, choose investments, and hope the balance lasts as long as you do.
The catch with a 401(k) is that the math is unforgiving.
Withdraw 4% a year from a $500,000 nest egg and that's about $20,000 annually before taxes.
A pension formula might pay a career worker with a similar salary a comparable or larger sum, adjusted for how long they stayed.
The difference is that the pension check keeps arriving whether the market is up or down.
There's a flip side retirees rarely hear about.
The Pension Benefit Guaranty Corporation backstops private plans, but its payout caps mean high earners may collect less than promised.
Public pensions face their own funding gaps in several states, which is why some workers now wonder whether a 401(k)'s transparency is actually a feature, not a bug.
With a 401(k), you decide when to retire, how much to save, and where the money goes.
You also carry the burden of sequence-of-returns risk, which is the danger that a market crash early in retirement permanently shrinks your savings.
Pensions pool that risk across thousands of workers.
Cash balance plans, hybrid pensions, and annuities inside 401(k)s aim to recreate a paycheck-like stream.
The trade-off is usually lower growth and fees that eat into returns.
Read the fine print before assuming any of these is the safer bet.
If you're weighing an old pension offer against a 401(k) rollover, run the numbers both ways.
Compare the monthly pension payment to what your lump sum could realistically generate, and factor in survivor benefits, inflation adjustments, and how long you expect to need the income.
A fee-only fiduciary can model it for a few hundred dollars, which is cheap next to a decision worth six figures.
One more thing worth checking: your old employer's plan documents.
People who left jobs years ago sometimes forget they vested, and unclaimed pension money sits waiting in state databases and plan records.
A quick search of the PBGC's missing participants list and your state's unclaimed property office takes ten minutes and occasionally turns up real money.
The honest takeaway is that neither option wins outright.
A pension buys certainty and gives up flexibility.
A 401(k) buys flexibility and makes you your own risk manager.
Final Thoughts
What matters is knowing which trade you're actually making, because the worst outcome is assuming you have a guarantee that was never there.