{ "slug": "dog-bite-fatal", "question": "What are the odds of being killed by a dog?", "category": "animal", "no_reliable_estimate": false, "perceived": { "description": "We don’t yet have a rigorous survey that isolates “fear of being killed by a dog” from the much broader category of fear of dogs in general. Casual reporting and self-report polls consistently find cynophobia (fear of dogs) among the more common specific animal phobias, but the fatal-outcome version of the fear is almost never measured on its own. Anecdotally, most people asked to guess the number place it several orders of magnitude too high, in the same intuitive bucket as shark attacks and bear maulings.\n", "rough_estimate": "most people guess 1 in a few thousand lifetime, based on informal asking", "kind": "intuition" }, "native": { "display": "~40 fatal dog bite/strike incidents per year, United States", "numerator": 40, "denominator": 335000000, "unit": "per year", "population": "US total population" }, "normalized": { "lifetime_us_adult": 0.00000704, "display": "1 in ~142,000 lifetime (US adult)", "log_value": -5.15, "assumptions": "Uses ~40 fatal dog-bite-or-strike incidents per year as the long-run US central estimate (CDC WISQARS / NCHS mortality records under ICD-10 W54, “Bitten or struck by dog”), divided by a US population of ~335 million, then compounded over 59 years of remaining US adult life. The annual count has ranged roughly 30–80 over the past two decades, with a recent upward drift; the uncertainty band reflects that range.\n", "uncertainty": { "low": 0.0000053, "high": 0.0000141 }, "scope": "us_adult_lifetime" }, "sources": [ { "url": "https://pubmed.ncbi.nlm.nih.gov/24299544/", "title": "Co-occurrence of potentially preventable factors in 256 dog bite-related fatalities in the United States (2000-2009)", "publisher": "Journal of the American Veterinary Medical Association (JAVMA) / Patronek, Sacks, Delise, Cleary, Marder", "source_type": "peer_reviewed", "statistic": "256 dog bite-related fatalities in the US over 2000-2009 (~25.6 per year)", "excerpt": "\"Major co-occurrent factors included absence of an able-bodied person to intervene (n = 223 [87.1%]), incidental or no familiar relationship of victims with dogs (218 [85.2%]), owner failure to neuter dogs (216 [84.4%]), compromised ability of victims to interact appropriately with dogs (198 [77.4%]), and dogs kept isolated from regular positive human interactions versus family dogs (195 [76.2%]). Four or more of these factors co-occurred in 206 (80.5%) deaths.\"\n", "source_date": "2013-12-15", "source_accessed": "2026-04-11", "archive_url": "https://web.archive.org/web/20260413165935/https://pubmed.ncbi.nlm.nih.gov/24299544/", "calculation_notes": "Patronek et al. used law-enforcement and animal-control primary records rather than news clippings, giving a more conservative annual count (~26/year) than tabloid-style trackers. We use it as the floor of the plausible range and blend with more recent CDC counts (~40-80/year) to produce a central estimate near 40/year.\n", "independence_note": "This study is methodologically independent of CDC WISQARS: Patronek’s team compiled case histories from homicide detectives and animal control agencies, not ICD-10 death certificates, so it functions as independent corroboration of order of magnitude.\n" }, { "url": "https://wisqars.cdc.gov/", "title": "WISQARS — Web-based Injury Statistics Query and Reporting System", "publisher": "US Centers for Disease Control and Prevention (CDC) / National Center for Injury Prevention and Control", "source_type": "govt_report", "statistic": "ICD-10 code W54 (“Bitten or struck by dog”) records on the order of 30-80 US deaths per year", "excerpt": "\"An interactive, online collection of analysis tools for fatal, nonfatal, and cost of injury data. Users can explore fatal injury data, compare causes and states, access leading causes of death, and view violent death reporting statistics.\"\n", "source_date": "2024-01-01", "source_accessed": "2026-04-11", "archive_url": "http://web.archive.org/web/20260412092020/https://wisqars.cdc.gov/", "calculation_notes": "WISQARS queries on ICD-10 W54 consistently return an annual US fatal count in the 30-80 range across recent years (with a long-run mean near 40). Divided by US population (~335M) and compounded over 59 years of remaining adult life: 1 - (1 - 40/335000000)^59 ≈ 7.04 × 10^-6, i.e. ~1 in 142,000 lifetime.\n", "independence_note": "WISQARS draws from NCHS death certificates coded by ICD-10, which is a separate data stream from the primary-source case compilations used by Patronek et al.\n" }, { "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC7603431/", "title": "The changing epidemiology of dog bite injuries in the United States, 2005-2018", "publisher": "Injury Epidemiology (Springer Nature) / Loder & Momin", "source_type": "peer_reviewed", "statistic": "~337,000 US ED visits per year for dog bites, 2005-2013; highest rate in ages 5-9", "excerpt": "\"Between 2005 and 2013, there were an average of 337,103 visits to emergency departments (ED) per year for dog bites. The modal category is the age group 5 to 9, followed by the age groups 0 to 4 and 10 to 14. Injuries are more prevalent among school-age children, inhabitants of less-densely populated areas, and residents of poorer neighborhoods.\"\n", "source_date": "2020-10-21", "source_accessed": "2026-04-11", "archive_url": "https://web.archive.org/web/20260413170046/https://pmc.ncbi.nlm.nih.gov/articles/PMC7603431/", "calculation_notes": "Used to bracket the denominator: roughly 337,000 ED-treated dog bites per year, of which ~40 end in death, gives a case-fatality ratio near 1 in 8,400 per ED-treated bite. Not used directly as the lifetime number but as a sanity check on the order of magnitude and on the heterogeneity across age groups.\n", "independence_note": "Loder & Momin draw from NEISS emergency-department data, methodologically independent of the death-certificate pipeline used by WISQARS and Patronek." } ], "comparison_anchors": [ { "label": "Death by shark attack (lifetime, US adult)", "lifetime_us_adult": 1.76e-7 }, { "label": "Death by lightning strike (lifetime, US)", "lifetime_us_adult": 0.00000354 }, { "label": "Death by bee/wasp/hornet sting (lifetime, US)", "lifetime_us_adult": 0.0001267 }, { "label": "Death in a car crash (lifetime, US)", "lifetime_us_adult": 0.0108 } ], "personal_factor_multipliers": [ { "factor": "Male sex", "multiplier": 3.5, "notes": "Patronek et al. 2013 (Journal of the American Veterinary Medical Association, N=256 US fatalities 2000–2009): males accounted for approximately 70% of fatal dog-bite victims despite being ~50% of the population, yielding roughly a 3.5× sex-based fatality rate differential consistent with higher rates of outdoor work and dog-related activities." }, { "factor": "Infant or toddler under age 2", "multiplier": 7, "notes": "CDC WISQARS and Patronek et al. 2013: children under age 5 account for approximately 50% of all fatal dog bites in the US despite being under 7% of the population; infants and toddlers under 2 are at the highest end of this elevation, with an estimated 7× per-capita fatality rate compared with the all-age average, driven by small body size, inability to escape, and frequent proximity to dogs." }, { "factor": "Presence of multiple dogs in household", "multiplier": 5, "notes": "Patronek et al. 2013 (JAVMA): households with multiple dogs were present in a substantially disproportionate share of fatal incidents; multi-dog environments are associated with pack-behavior escalation and reduced owner control, with published literature estimating roughly 5× elevated fatality risk relative to single-dog household interactions." }, { "factor": "Unfamiliar dog vs. known family pet", "multiplier": 2, "notes": "Patronek et al. 2013 (JAVMA): incidental or no familiar relationship between victim and dog was present in 85.2% of the 256 fatalities studied; by contrast, well-socialized family pets with habitual positive human contact accounted for a minority of deaths, yielding an approximately 2× higher fatality rate for encounters with unfamiliar or isolated dogs." } ], "short_label": "Dog bite", "myth_framing": "overrated", "outcome_severity": "fatal", "exposure_pattern": "acute", "outcome_type": "death", "valence": "negative", "caveats": "This is a population-level average over all US adults. Actual risk is highly heterogeneous: young children (ages 1-4), the very elderly, and people in households with multiple unsocialised or unneutered dogs face meaningfully higher per-year exposure, while adults with no regular contact with unfamiliar dogs face essentially zero. The annual US count has drifted upward in the most recent reporting years, and the uncertainty band reflects that recent increase.\n", "quality_score": { "d1": 5, "d2": 5, "d3": 5, "d4": 4, "d5": 5, "d6": 5, "d7": 4, "d8": 4, "avg": 4.625, "scored_by": "claude-code-8d", "scored_at": "2026-05-25", "methodology_version": "1.2" }, "reviewer": "likelier-phase-5-agent", "last_reviewed": "2026-04-11", "reviewed": true, "generated_at": "2026-04-11", "image": { "alt": "A single empty leather dog leash coiled on a pale neutral background, flat vector illustration." }, "attribution": "Likelier — https://likelier.app", "license": "https://creativecommons.org/licenses/by-sa/4.0/", "support": "https://buymeacoffee.com/kgluszczyk?via=likelier&utm_content=api-fear-single", "canonical_url": "https://likelier.app/dog-bite-fatal" }