You can usually withdraw from a 401(k) without the 10% early withdrawal tax after age 59 1/2. You may be able to access money earlier if your plan allows it, but taxes and penalties depend on your age, job status, plan rules, and whether an IRS exception applies.
The short version: 59 1/2 is the main 401k withdrawal age for penalty-free access. Age 55 can matter if you leave that employer in or after the year you turn 55. Age 73 is when required minimum distributions generally begin for traditional 401(k) money, unless you can delay because you are still working and are not a 5% owner.



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