There is no reliable average settlement for a traumatic brain injury, and the figures published for this question are not close to agreeing with each other. Search it and you will find “average” claims from different sources on the same page of results that differ by roughly an order of magnitude — several of them presented as data. None of them is describing your claim. What makes an offer fair is not how it compares to a published number; it is whether it reflects the documented injury, the fault picture, and the insurance that actually exists.
In a large share of these claims the ceiling is set by the at-fault party’s policy rather than by the injury, which is why two people with similar injuries can end up in very different places — and why a figure detached from a coverage picture tells you nothing.
Key Points
- Published TBI settlement averages contradict one another badly enough that none can be describing anything useful.
- Available insurance frequently caps what is collectible regardless of how the injury is valued.
- Severity tables reason backwards — they assign a bracket to a diagnosis and skip the evidence, the fault apportionment, and the coverage.
- “Mild” describes how an injury presented initially. It is not a prediction and not a statement about the claim.
- A fair offer is measured against the inputs, not against a range.
- Settling before the picture is clear ends the claim for how things actually turn out.
Why “What Is the Average” Is the Wrong Question
Look at what is actually on offer if you search this. Different sources on the first page give averages and ranges that overlap barely or not at all — some quoting a figure in the low six figures, others quoting one seven or eight times higher, several describing their number as drawn from data. At least one is a settlement calculator.
Three reasons none of it can help you.
The datasets are not comparable
“Traumatic brain injury” spans an enormous range of outcomes, and “mild traumatic brain injury” spans a wide range on its own. A single label is applied to a concussion someone recovers from in weeks and to an injury that permanently changes how a person works and lives. Averaging across that describes a population, not a claim — and different sources are averaging different populations, which is why their numbers disagree.
The severity tables reason backwards
The tier charts circulating on this topic assign a settlement bracket to a symptom picture, as though the outcome followed from the diagnosis. It does not. The outcome follows from what the medical record documents, how fault is apportioned, and what insurance exists. A tier chart skips all three, which is also why two charts covering the same tier can differ by several hundred per cent.
The real constraint is usually coverage
This is the part almost nobody leads with, and it is what people who have actually been through this tell each other: the first question is what the policy limit is.
Since January 1, 2025, California’s minimum liability limits have been $30,000 per person, $60,000 per accident, and $15,000 for property damage. Where the at-fault driver carries the minimum and has no meaningful assets, that policy is the practical ceiling however the injury is valued. It is why your own uninsured and underinsured motorist coverage is often the more important question than the strength of the claim.
What a Fair Offer Is Actually Measured Against
Not a range. An offer can be assessed, but against the inputs rather than against someone else’s outcome:
- The treatment documented to date, and whether the record is complete and consistent across providers.
- The care reasonably anticipated, established through treating providers or a life care plan rather than assumed.
- Income loss and reduced earning capacity, documented and — where capacity is in issue — projected with vocational and economic evidence. Our economic damages page covers how, and why past medical expenses are limited to what was paid or incurred rather than billed.
- The documented effect on daily life — the categories California recognises are on our pain and suffering page.
- The fault apportionment the insurer is applying. California uses pure comparative fault, so every percentage point attributed to the injured person reduces the recovery.
- The coverage actually available, including any policy beyond the obvious one.
- What comes out of it. Fees, costs, and medical liens all reduce what reaches you, and liens are frequently negotiable — see our car accident settlements page.
An offer that looks low against a published range may be reasonable against a minimum-limits policy. An offer that looks generous may be poor against a well-insured defendant and an unresolved medical picture. The range is the wrong comparator in both directions.
What “Mild” Actually Means
The word does real damage here, in both directions.
In clinical use it describes how an injury presented at the outset — a classification of the initial event, not a forecast. It carries no promise about how someone will be in six months. Insurers nonetheless read it as a characterisation of severity, and so do claimants who assume a “mild” label means the claim is small.
The opposite error is just as common online, where law firm pages routinely imply that mild TBI is usually severe in disguise. That framing is self-serving and sets up an expectation most claims will not meet. Whether symptoms persist in an individual case is a medical question, and the CDC and treating clinicians are the sources for it — not a law firm’s website.
These Claims Are Argued About Existence, Not Degree
Most injury claims are disputes about how bad something is. Milder brain injuries are frequently a dispute about whether there is anything there at all.
These injuries often do not appear on standard imaging. Insurers know this, and the sequence is predictable: normal CT, normal MRI, subjective complaints, and an alternative explanation offered for the symptoms — stress, sleep, a pre-existing condition, ordinary life.
What answers that is not a scan. It is:
- Formal neuropsychological evaluation, where cognitive effects are in issue. This is often what moves a claim from assertion to evidence.
- Consistent symptom reporting across every provider, close in time, without contradictions in the record.
- Before-and-after evidence from other people. A spouse, a manager, a colleague describing what changed. In this injury category the injured person is frequently the least reliable reporter of their own condition, so observations from others carry unusual weight.
- Employment records showing changed duties, errors, reduced hours, or accommodations.
Our page on car accident head injuries covers the documentation problem in more detail.
What to Avoid
- Settling before the picture is clear. A release ends the claim permanently, including for consequences nobody knew about at signing. In an injury category where the trajectory is uncertain for months, that is the most expensive mistake available.
- Gaps in treatment. Stopping when the acute phase passes, or not following through on referrals, gives the insurer its causation argument.
- Recorded statements early. Describing your symptoms to an adjuster before you understand them yourself produces a transcript you will be held to.
- Downplaying it. “I’m fine” is quoted back later, and in this category people often say it because they genuinely cannot perceive what has changed.
- Settlement calculators. A figure generated from a form has no relationship to your evidence, your fault picture, or the coverage available.
Three Different Systems, Three Different Answers
“TBI settlement” means different things depending on where the claim sits, and searches on this topic mix them together.
- A civil injury claim against whoever caused the injury. That is what this page addresses, and what our page on suing for a brain injury covers.
- Workers’ compensation, where the injury happened at work. That is a separate system with its own rules and its own valuation, and it does not pay for pain and suffering. A civil claim may still be available against a third party who contributed.
- VA disability ratings, which come up in searches on this topic and are not settlements at all. They are a federal benefits determination under an entirely different framework, and nothing on this page applies to them.
Brain Injury Claims on the Peninsula
Our office at 15 North Ellsworth Avenue, Suite 105, San Mateo, CA 94401 handles injury claims across San Mateo County, and civil matters for this area are generally heard in the San Mateo County Superior Court. These injuries arise in collisions involving cars, motorcycles, bicycles, and pedestrians, and in falls. More about the office is on our San Mateo page.
How Vaksman Khalfin Can Help
Our brain injury practice handles these claims where they are actually decided: making sure the right assessments happen and reach the record, gathering the before-and-after evidence from people who knew the person, establishing future care and earning capacity with the evidence those require, identifying every policy that may apply, and advising on timing rather than taking the first offer that arrives.
The practice is led by Alan D. Khalfin, admitted in California. We handle injury matters on a contingency-fee basis: there is no upfront attorney’s fee, and attorney’s fees are owed only if we recover compensation for you. Case costs are a separate category from attorney’s fees, and how both are handled is set out in the written fee agreement we go through with you before anything is signed. Initial consultations are free.
To speak with a California personal injury attorney, call 650-250-0705 or schedule a free consultation. Related reading: our California personal injury guides.
Reviewed by Alan D. Khalfin, Partner and Managing Attorney, Vaksman Khalfin, PC (admitted in California). Last reviewed: 09/08/2026
Frequently Asked Questions
One that reflects the documented treatment and anticipated future care, the income loss established, the fault apportionment the insurer is applying, and the coverage actually available — and that accounts for the fees, costs, and liens that come out of it. There is no benchmark figure to measure an offer against, and comparing it to a published range will mislead you in one direction or the other.
There is no reliable average. The figures published for this question disagree with each other by roughly an order of magnitude, because they pool cases with different injuries, different evidence, different fault apportionment, and different insurance limits. In many claims the coverage available is the binding constraint rather than the injury.
Because they are describing different populations and none of them is describing yours. A label that covers both a concussion resolved in weeks and a permanent cognitive change cannot produce a meaningful average. Severity tables also reason backwards: they skip the evidence, the fault apportionment, and the available insurance, which are what actually decide the result.
No. "Mild" describes how the injury presented initially — a classification of the event, not a forecast about outcome and not a statement about the claim. The opposite assumption is also wrong: mild TBI is not usually severe in disguise. Which way an individual case goes is a medical question with a medical answer.
Possibly. Milder brain injuries frequently do not show on standard imaging, which is why these claims rest on clinical assessment, neuropsychological evaluation, consistent symptom reporting, and evidence of changed function. Normal imaging is the insurer's opening argument, not the end of the question.
No. A figure produced from a form has no relationship to the evidence in your record, the fault apportionment being applied, or the insurance actually available — and those are the three things that decide the outcome.
There is no dependable average. The main drivers are how long it takes for the medical picture to stabilise, whether liability is contested, how contested the injury itself becomes, how many parties and policies are involved, and the court's calendar if a case is filed.
Less than the gross figure. Attorney's fees and case costs come out under the written fee agreement, and then hospital liens, health plan or public program reimbursement rights, and unpaid provider balances are resolved. Because liens are often negotiable, the net is not simple arithmetic.
