Two workers retire the same year with the same salary history.
One collects a guaranteed monthly check for life.
The other stares at a 401(k) balance that has to stretch across two or three decades of unknown expenses.
It is the difference between a pension and a 401(k), and it is quietly reshaping retirement for millions of Americans.
Pensions, also called defined benefit plans, promise a specific monthly payment based on salary and years of service.
The employer holds the investment risk and funds the plan.
You contribute, your employer may match a portion, and you carry all the investment risk.
If markets tank the year you retire, that is your problem, not your boss's.
In 1975, roughly 60% of private-sector workers with a workplace retirement plan had a pension, according to Department of Labor data.
By the 2020s, that figure had fallen to single digits.
Today the 401(k) is the default, and for many workers it is the only option.
A pension pays you a set amount every month no matter how long you live, which protects against outliving your savings.
A 401(k) requires you to guess your lifespan, your future health costs, and your returns.
Guess wrong and you either run short or leave money unspent.
A 2024 study from the Employee Benefit Research Institute found that workers with pensions report far more confidence about retirement than those relying only on 401(k)s.
Many 401(k) plans charge administrative and fund fees that eat into returns over decades.
Investors also panic-sell during downturns, locking in losses a pension would have absorbed.
And roughly half of workers cash out their 401(k) when changing jobs, according to retirement industry research, triggering taxes and penalties that gut long-term growth.
It is portable, you control it, and a generous employer match is free money.
A Roth or traditional IRA can supplement it.
But it demands discipline most people were never taught: contribute early, keep fees low, resist cashing out, and do not bail during a crash.
If you only have a 401(k), treat the match as a minimum, not a finish line.
Bump your contribution at least one percentage point each raise, check your fund expense ratios, and consider whether an annuity could recreate part of a pension's lifetime income.
Our take: the 401(k) handed workers control but also handed them the burden of not messing it up.
Pensions spread risk across an employer and a workforce.
Final Thoughts
Until policy catches up, your best defense is boring consistency and knowing exactly what you are signed up for.