An employer 401(k) match is one of the closest things to guaranteed free money in personal finance, yet a meaningful share of eligible employees don't contribute enough to receive the full match. That's not a savings mistake — it's leaving part of an actual compensation package unclaimed.
How a match typically works
A common structure is something like "50% match up to 6% of salary" — meaning if you contribute 6% of your paycheck to your 401(k), your employer adds an additional 3% on top, for free. Structures vary a lot by employer, so it's worth checking your specific plan documents for the exact formula rather than assuming a standard rate.
Why this beats most other financial moves
An immediate 50% or 100% return on money, even before considering investment growth, isn't available anywhere else in mainstream personal finance. Paying off high-interest debt is important, but many planners still recommend contributing at least enough to capture a full employer match first, since the match itself outperforms the interest rate on most debt.
Vesting schedules matter too
Some employers require you to stay for a certain period before the matched funds are fully "yours" if you leave the company — this is called a vesting schedule. Your own contributions are always 100% yours immediately; it's the employer's match that may vest gradually over a few years. Understanding your plan's vesting schedule matters if you're considering changing jobs.
What to do after securing the full match
- Consider a Roth or traditional IRA if you have room to save more
- Return to the 401(k) and increase contributions further if there's still capacity
- Revisit your contribution percentage every time you get a raise — many plans allow automatic annual increases
The specific numbers vary by employer and by year, so the one universal piece of advice is simply: know your match formula, and treat the minimum to capture it as non-negotiable.