Retirement accounts confuse people because the names describe tax rules, not investments. A 401(k) is not a stock; it is a container with tax advantages, and you choose what goes inside. Once you see them as wrappers, the choices get simpler: which wrapper, in which order, holding what. This guide explains the main types as they stand in 2026 and the order most people fund them, in general terms — your tax situation may differ, so confirm specifics before acting.
What changed in 2026
- Contribution limits adjust periodically for inflation. The exact numbers move, so always check an official source for the current year rather than trusting a figure you saw online.
- Roth options keep spreading inside workplace plans, giving more people a choice between paying tax now or later.
- Auto-enrolment is more common, which means more workers are saving by default — but often at a low rate they never increase. Raising it a little is one of the highest-value moves available.
The main types
| Account type |
Funded by |
Tax treatment |
Notes |
| Workplace plan (traditional) |
Payroll, often with match |
Tax deferred now, taxed at withdrawal |
Capture the match first |
| Workplace plan (Roth) |
Payroll |
Taxed now, tax-free qualified withdrawals |
Good if you expect higher tax later |
| Traditional IRA |
You, directly |
Possibly deductible now, taxed later |
Income and coverage rules apply |
| Roth IRA |
You, directly |
Taxed now, tax-free qualified withdrawals |
Income limits apply |
The traditional-versus-Roth question comes down to one judgement: do you expect your tax rate in retirement to be higher or lower than it is today? If higher, Roth tends to win. If lower, traditional. Many people hedge by holding some of each.
The order most people fund them
- Contribute enough to the workplace plan to get the full employer match. Skipping this is leaving guaranteed compensation on the table.
- Pay down high-interest debt if you have any, because no investment reliably beats a 20 percent-plus interest rate.
- Fund an IRA — Roth or traditional based on the tax judgement above.
- Return to the workplace plan and increase contributions toward the annual limit.
- Use a taxable brokerage account for anything beyond that.
This is a common framework, not a rule for everyone. An emergency fund should sit alongside steps one and two so a surprise expense does not force an early withdrawal — see how to build an emergency fund.
What is inside the wrapper
A retirement account holding only cash barely grows. Most long-horizon savers use low-cost, broadly diversified funds inside the wrapper. The wrapper handles the tax; the investment handles the growth. The deeper trade-off between active and passive choices belongs to a different guide and to your own risk tolerance.
What to skip
- Cashing out when you change jobs. A rollover usually keeps the balance growing and avoids tax and penalties. Cashing out can trigger both.
- Leaving auto-enrolment at the default rate forever. It is a floor, not a target.
- High-fee funds inside the plan. Fees compound against you exactly as returns compound for you.
- Early withdrawals for non-emergencies. The penalties and lost compounding are steep.
FAQ
Should I choose Roth or traditional?
It depends on whether you expect a higher or lower tax rate in retirement. Higher favours Roth, lower favours traditional. Splitting the difference is reasonable, and a tax professional can advise on your specifics.
What are the contribution limits this year?
They change with inflation, so check an official government source for the current figure rather than an article. Do not assume an older number still applies.
What happens to my workplace plan when I leave a job?
You can usually roll it into an IRA or a new employer plan. Rolling over preserves the tax treatment; cashing out generally does not.
Is an account the same as an investment?
No. The account is a tax wrapper. You still choose what to hold inside it, and that choice drives your returns.
Where to go next
For related reading see The best ways to save for retirement in 2026, How to invest in your 20s in 2026, and The best savings strategies for 2026.