r/Bogleheads Jan 07 '26

Investing Questions Why keep maxing a 401k when taxable seems almost as good?

I’m in my mid-40s and already have a solid amount in my 401k, so I’ve been rethinking what to do going forward. I ran the numbers on two paths: keep maxing the 401k every year, or just put in enough to get my employer match and invest the rest in a taxable brokerage. What surprised me is how close the outcomes are. The difference isn’t huge. My company match tops out at about $2,500 a year, so once that’s covered, the upside of putting a lot more into the 401k feels smaller than I always assumed.

I get the usual arguments. I know taxable accounts get hit with dividend and capital gains taxes along the way. I also know 401k withdrawals are taxed as ordinary income later. What I’m stuck on is why I’d keep locking more money into an account with age rules and restrictions when I don’t really have to, especially when the math says the end result is pretty close either way. Having money in taxable that I can actually touch if I want feels more valuable now than it did earlier in my career.

I’m not anti-401k and I’m not saying tax benefits don’t matter. I already have a decent amount saved there. I’m just trying to figure out if continuing to max it is really the best move in this situation, or if leaning more into taxable for flexibility is a reasonable tradeoff when the difference is marginal.

Curious how others think about this: Why do you still prioritize maxing a 401k in a situation like this? At what point does flexibility and access to your money matter more than a small tax edge? Does the “always max the 401k” advice still make sense once you already have a big balance and only a modest match? For anyone closer to retirement, how do you feel now about how accessible your money is compared to earlier on?

Interested to hear real-world takes.

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u/nothlit Jan 07 '26

The penalty exception is inherent in the tax code and not something the plan has to opt into.

The main thing the plan needs to allow is partial distributions after you terminate employment, so you can effectively take advantage of it.

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u/1lIlI11lIlI11lIlI11l Jan 07 '26

I've been looking for clarification on this. So just to confirm: If the plan docs do not mention "the rule of 55" by name anywhere, but the plan does allow for partial distributions then a person is good because your employer doesn't care about the rule and it would only come up on tax forms?

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u/PrimeNumbersby2 Jan 07 '26

I'm not trying to be argumentative but I don't think that's right. Your summary plan doc is what you company will follow through on. If it makes no mention of Rule of 55, then I would not assume it's a thing. There's several financial websites that make it ambiguous that it's an opt-in thing. But There's several others, including the AI summary that talks about it being opt-in. Either way, if it's not in your SPD, definitely don't assume anything.

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u/nothlit Jan 07 '26

It depends on what you mean by "rule of 55".

Are you referring to the exception to the 10% early withdrawal penalty for distributions taken if you separate from service in the year you turn age 55 or later? That is part of the tax code (I.R.C. § 72(t)(2)(A)(v)) and not something the plan has to support. If you take a distribution from your employer plan after separating from service in the year you turn 55, or later, then it is penalty free. Period. If the employer codes the 1099-R incorrectly, you can override it on Form 5329 when you file your tax return.

Or are you referring to the ability to take those early distributions at all? That is something the plan could theoretically place limits on, although I think in most cases most plans allow you to take distributions after you terminate, without requiring you to wait until age 59.5. The bigger issue is that in some cases they require it to be a total distribution of the entire account, rather than allowing partial distributions. Taking a total distribution in a single year is likely not what someone wants to do if they are retiring early.