What Is The Number One Cause Of Accidental Deaths?

TL;DR: Unintentional poisoning is the leading cause of accidental death in California. Fatal crashes and falls are also among the most common causes of accidental death. Even when a death is listed as an “accident,” California law may still allow eligible family members to file a wrongful death claim if another person, business, property owner, or public agency caused or contributed to the death.

Highlights:
  • Poisoning, motor vehicle crashes, and falls are California’s three leading causes of accidental death, with legal liability possible in each case.
  • You must prove four elements of negligence – duty, breach, causation, and damages – to recover compensation in a wrongful death claim.
  • File a wrongful death claim within two years of death; if a public agency is involved, the deadline drops to six months.
  • Only certain family members can file – surviving spouses, domestic partners, children, and others listed under California Code of Civil Procedure § 377.60.
  • Economic damages cover financial losses like lost income and funeral costs; non-economic damages cover loss of love, companionship, and consortium.
  • An ‘accidental’ label in death records does not mean no one was at fault – California law allows families to pursue negligence claims regardless.
  • Most wrongful death attorneys work on contingency, collecting no fee unless your case succeeds.

Tip: Act quickly to preserve evidence – physical evidence degrades, video footage gets deleted, and witness memories fade, all of which weaken your attorney’s ability to build a strong case.

Table of Contents

    Unintentional poisoning is the number one cause of accidental deaths in California and the United States, according to the Centers for Disease Control and Prevention (CDC). Synthetic opioids like fentanyl are driving the rise. Motor vehicle crashes and falls rank closely behind.

    Behind each of those numbers is a family that lost a loved one. If you are reading this after losing a loved one, you are not alone in trying to understand what happened and what your rights are.

    The word “accidental” describes how a fatality gets recorded in statistics. That label may still support a wrongful death claim if negligence, unsafe conditions, defective products, or another wrongful act caused or contributed to the loss.

    The Leading Causes Of Accidental Deaths In California

    California’s most common fatal accidental injuries include poisonings, motor vehicle crashes, and falls. These causes account for most preventable deaths each year, per 2024 data from the National Safety Council (NSC). Often, someone’s carelessness or reckless behavior causes these tragic deaths.

    Accidental Poisoning

    In 2024, about 9,028 people in California died from unintentional poisoning, according to CDC data. Many of these deaths stem from the opioid and fentanyl crisis. Negligent drug sales or unsafe products can hold someone legally responsible.

    Motor Vehicle Crashes

    NHTSA’s early 2024 estimate listed 3,622 motor vehicle traffic deaths in California. Fatal traffic accidents can involve cars, trucks, motorcycles, bicyclists, and pedestrians. Data for 2024–2025 is provisional and subject to change.

    Falls

    About 2,939 Californians died from falls in 2024, per CDPH EpiCenter data cited above. Falls are also the top cause of accidental death for adults 65 and older. Many involve unsafe property or nursing home neglect, both of which can create liability under premises liability law.

    Proving Liability After A Fatal Accident

    family meeting with personal injury lawyer to prove liability after a fatal accident

    To recover compensation after a fatal accident in California, you need to prove that someone was negligent. To prove negligence in a claim, there are four elements you need to show:

    • Duty: Drivers, property owners, and employers have a legal duty to act with reasonable care.
    • Breach: The defendant failed that duty, such as by speeding or ignoring safety rules.
    • Causation: That failure directly caused the fatal accident.
    • Damages: The death caused measurable losses for the surviving family.

    Building this proof takes investigative work. Accident reconstruction can help determine how the crash happened, and reviewing safety records may reveal whether hazards were ignored.

    In California, even if the person who died was partially at fault, eligible family members can still seek compensation. However, the amount may be reduced, depending on the percentage of fault.

    For example, if the court finds the victim who died was 30% at fault for the accident, then the family would only be able to recover 70% of the total damages. So if the damages from that accident are $100,000, the family can only recover up to $70,000.

    Who Can File A Wrongful Death Claim And What Compensation Is Available?

    In California, only certain people can file a wrongful death claim. This claim is possible if someone dies as a result of another person’s actions. The law specifies who has the right to file this claim.

    Under California law, people who can file a claim include the deceased’s surviving spouse, domestic partner, and children. If the children have also passed away, their grandchildren may file in their place. Minors who lived with the deceased may also qualify. Additionally, if the deceased was a minor, their parents or guardians can file a claim. Anyone who would inherit from the deceased can also make a claim.

    There are two types of damages that families can pursue:

    1. Economic Damages: Economic damages cover the family’s financial losses due to the death. These include the financial support the deceased would have given the family and the costs of funeral and burial services.
    2. Non-Economic Damages: These cover the emotional losses that money can’t replace. Families can seek compensation for the loss of love, companionship, and guidance that the deceased provided. They can also seek damages for loss of intimacy and support in their marriage.

    California law spells out these rules to help families understand their rights. If you suspect negligence played a role in your loved one’s death, a fatal car accident lawyer can review the case and, if appropriate, help you pursue a claim.

    Crucial Deadlines For California Wrongful Death Claims

    If you are thinking, “When do I need a personal injury lawyer?” remember that personal injury claims in California have deadlines.

    According to California Code of Civil Procedure § 335.1, if a family member dies because of someone else’s actions, you typically have two years from the date of death to file a wrongful death claim.

    If a public agency or transit operator played a role, you must file an administrative claim within six months under California Government Code § 911.2. This claim is a formal notice to the government saying you want to seek damages.

    Other exceptions to the deadlines exist, such as those involving minor heirs or different causes of death. An attorney can explain the exact timeline for your situation.

    Time limits may seem long, but evidence can disappear, video footage might be deleted, and witnesses may forget details. Missing a deadline can prevent you from pursuing a case. That’s why speaking with a wrongful death lawyer early on is recommended.

    Frequently Asked Questions

    It’s normal to search for answers to your questions after losing a loved one in an accident. You may even be looking for free advice from a wrongful death lawyer to know your options. Below are answers to some of the most common questions about accidental and unintentional deaths. These include causes, age-related risks, and how California law treats liability in fatal accidents.

    What Exactly Counts As An Unintentional Injury In Official Death Statistics?

    The CDC classifies an unintentional injury death as one caused by an unplanned, harmful event. These include poisonings, falls, motor vehicle crashes, drownings, and accidental shootings. A death only counts in this category if the injury was the main cause of death, not just a contributing factor.

    Are Most Accidental Deaths Among Young People Caused By Car Crashes?

    fatal pedestrian crash showing car accident risks among young people

    According to the CDC, motor vehicle crashes are among the leading causes of unintentional death for people ages 1–75, and they are the top cause for children and young adults aged 5–24. For adults 25–64, unintentional poisoning, largely from drug overdoses, has overtaken crashes as the leading cause of injury death. Among adults 65 and older, falls are the main cause of both fatal and nonfatal injuries.

    Is California A No-Fault State For Fatal Car Accidents?

    No. California uses a fault-based system. When a driver causes a fatal crash, the family can file an insurance claim against that driver or sue in civil court. California also follows a pure comparative fault rule. If the victim shared some fault, the family’s recovery is reduced, but they can still seek compensation.

    What Is The Most Common Accidental Death At Home?

    Poisoning is the leading cause of accidental home death overall. According to National Safety Council data, it accounts for a large share of home injury deaths. For adults 65 and older, falls are the top cause. These two hazards account for most accidental deaths inside the home.

    My Elderly Parent Passed Away After A Fall. Is That Legally Considered An ‘Accidental Death’?

    Yes. In California, a fall that leads to death counts as an accidental death. The court looks at the evidence to decide whether someone else caused or contributed to the fall.

    If The Official Cause Of Death Is Listed As An ‘Accident,’ Does That Mean No One Is Legally At Fault?

    No. In California, calling a death “accidental” only describes how it happened. A driver or property owner who acted carelessly can still be held civilly responsible and may have to pay damages, even without criminal charges.

    Get Legal Help After A Fatal California Accident

    Losing someone you love to a preventable accident is one of the hardest things a family can face. At Arash Law, we work with families across California on wrongful death claims after fatal accidents, and we know how much is at stake.

    If you lost a loved one in a fatal accident in California, speaking with an attorney can help you understand whether negligence played a role. If you were also injured in the same incident, your attorney can review your own injury claim, medical care, and treatment needs, including chiropractic care when appropriate.

    If you’re concerned about whether our lawyers only get paid if they win your case, the answer is yes. AK Law doesn’t charge legal fees up front. You only pay the attorney’s fees if we recover compensation on your behalf.

    Call us at (888) 488-1391 to book your free initial consultation!

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    ABOUT THE AUTHOR
    Arash Khorsandi, ESQ
    Founder, Arash Law

    Arash Khorsandi, Esq., is the owner and founder of Arash Law, an established personal injury law firm in California. Over the years, Arash has built a team of experienced lawyers, former insurance company adjusters, and skilled paralegal staff who work to pursue positive outcomes for his clients’ cases. Our California personal injury law firm handles claims across multiple practice areas.

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    DISCLAIMER: Information provided on this blog is not formal legal advice. It is generic legal information. Under no circumstances should the information on this page be relied upon when deciding the proper course of a legal action. Always obtain a free and confidential case evaluation from a reputable attorney near you if you think you might have a personal injury lawsuit.

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