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A collection of national and medical study-specific nonfatal and fatal dog bite injury-related statistics. Notably, each year, an American has a one in 50 chance of being bitten by a dog.1

Dog bite statistics

Dog bites and other dog-related injuries accounted for more than one third of all homeowners liability claim dollars paid out in 2017, costing almost $700 million.

Dog Bite Liability by Insurance Information Institute, 2018

The average cost per claim nationally has risen more than 90 percent from 2003 to 2017, due to increased medical costs as well as the size of settlements, judgments and jury awards given to plaintiffs.

Dog Bite Liability by Insurance Information Institute, 2018

In 2016, dogs attacked over 6,750 U.S. Postal Service employees -- over 200 more attacks than last year. The city of Los Angeles had the most attacks (80).

United States Postal Service (USPS), April 2017

Approximately 4.5 million dog bites occur each year in the United States. Nearly 1 out of 5 bites becomes infected.

Preventing Dog Bites, The Centers for Disease Control and Prevention, May 2015

In 2015, more than 28,000 people underwent reconstructive surgery as a result of being bitten by dogs.

2015 Plastic Surgery Statistics Report by the American Society of Plastic Surgeons, 2015

There was an 86% increase in dog bite-related hospitalization stays between 1993 and 2008 in the United States.

Emergency Department Visits and Inpatient Stays Involving Dog Bites, 2008 by Agency for Healthcare Research and Quality (AHRQ), 2010

The average cost of a dog bite-related hospital stay was $18,200, about 50% higher than the average injury-related hospital stay.

Emergency Department Visits and Inpatient Stays Involving Dog Bites, 2008 by Agency for Healthcare Research and Quality (AHRQ), 2010

There were 4 times as many dog bite-related ED visits and 3 times as many hospital stays in rural areas than in urban areas in 2008.

Emergency Department Visits and Inpatient Stays Involving Dog Bites, 2008 by Agency for Healthcare Research and Quality (AHRQ), 2010

In 2008, Medicare and Medicaid combined paid for 37% of all dog bite-related hospitalization stays in the United States.

Emergency Department Visits and Inpatient Stays Involving Dog Bites, 2008 by Agency for Healthcare Research and Quality (AHRQ), 2010

Adults with two or more dogs in the household are five times more likely to be bitten than those living without dogs in the home.

Dog bites: still a problem?, by Gilchrist J, Sacks JJ, White D, Kresnow MJ, Injury Prevention, 2008

Dog bites occur every 75 seconds in the United States. Each day, over 1,000 citizens need emergency medical care to treat these injuries.

Nonfatal Dog Bite-Related Injuries Treated in Hospital Emergency Departments - United States, 2001 by the CDC, 2003

Dog attack victims suffer over $1 billion in monetary losses annually. JAMA reports this estimate to be as high as $2 billion.

Dog Bites Recognized as Public Health Problem by R. Voelker, JAMA, 1997

Severe dog bite injury statistics

Our data were consistent with others, in that an operative intervention was more than 3 times as likely to be associated with a pit bull injury than with any other breed.

Characteristics of 1616 Consecutive Dog Bite Injuries at a Single Institution, by by Golinko et al., Clinical Pediatrics, July 2016

Our data revealed that pit bull breeds were more than 2.5 times as likely as other breeds to bite in multiple anatomical locations.

Characteristics of 1616 Consecutive Dog Bite Injuries at a Single Institution, by by Golinko et al., Clinical Pediatrics, July 2016

Most alarming is the observation that when attacks come from unfamiliar dogs, the pit bull was responsible for 60% and 63% of all injuries and ocular injuries, respectively.

Ocular Trauma From Dog Bites: Characterization, Associations, and Treatment Patterns at a Regional Level I Trauma Center Over 11 Years, by Prendes et al., Ophthalmic Plastic & Reconstructive Surgery, June 2015

Of the more than 8 different breeds identified, one-third were caused by pit bull terriers and resulted in the highest rate of consultation (94%) and had 5 times the relative rate of surgical intervention.

Dog bites of the head and neck: an evaluation of a common pediatric trauma and associated treatment, by O'Brien et al., BS, American Journal of Otolaryngology, January–February, 2015

Unlike all other breeds, pit bull terriers were relatively more likely to attack an unknown individual (+31%), and without provocation (+48%).

Dog bites of the head and neck: an evaluation of a common pediatric trauma and associated treatment, by O'Brien et al., BS, American Journal of Otolaryngology, January–February, 2015

Although a number of dog breeds were identified, the largest group were pit bull terriers, whose resultant injuries were more severe and resulted from unprovoked, unknown dogs.

Dog bites of the head and neck: an evaluation of a common pediatric trauma and associated treatment, by O'Brien et al., BS, American Journal of Otolaryngology, January–February, 2015

In this series, dogs causing the injury were overwhelmingly familiar with the patient: 53% of dogs belonged to the family ... In our series (as in Philadelphia), Pit bulls were most commonly responsible.

Morbidity of pediatric dog bites: A case series at a level one pediatric trauma center, by Garvey et al., Journal of Pediatric Surgery, February 2015

Attacks by pit bulls are associated with higher morbidity rates, higher hospital charges, and a higher risk of death than are attacks by other breeds of dogs.

Mortality, Mauling, and Maiming by Vicious Dogs, by Bini et al., Annals of Surgery, April 2011

Dog bite-related fatality statistics

In 2017, Pit bulls contributed to 74% (29) of the total recorded deaths, the highest annual fatality count on record for the breed.

2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

In 2017, family dogs inflicted 72% of all dog bite fatalities. Family pit bulls were responsible for 64% of these deaths.

2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

Of the 12 deadly off-property attacks in 2017, 83% were inflicted by pit bulls and 67% involved two or more pit bulls attacking.

2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

In 2017, 62% of all dog bite fatality victims were ages 21-years and older. Of the total adults killed by canines in 2017, pit bulls were responsible for 88%.

2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

From 2005 to 2017, pit bulls mauled to death 284 Americans, about one citizen every 16.7 days.

13-Year U.S. Dog Bite Fatality Chart (2005 to 2017) by DogsBite.org, 2018

From 2005 to 2017, canines killed 433 Americans. Pit bulls (284) and rottweilers (45) contributed to 76% of the total recorded deaths. When mastiff-type guarding and war dogs are added, this small group of dog breeds accounts for 84% (363) of all dog bite-related deaths.

Discussion Notes - 2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

Newborns, infants and toddlers, ages 0-2 years old, made up 27% of all dog bite fatality victims from 2005 to 2017. The highest age specific fatality rate is infants < 1, accounting for 48% of all 0-2 victims.

13-Year U.S. Dog Bite Fatality Chart (2005 to 2017) - Victims by Age Groups by DogsBite.org, 2017

From 2005 to 2017, pit bulls inflicted 72% of the attacks that killed a person 10-years and older vs. all other dog breeds combined, 28%.

Discussion Notes - 2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

When comparing two close periods, 6 and 7-years (2005-2010 vs. 2011-2017), deaths inflicted by rottweilers decreased from 14% to 7% and deaths inflicted by pit bulls increased from 58% to 71%.

Discussion Notes - 2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018 | Related graphic

From 2005 to 2017, there were 202 fatal attacks involving 2 or more dogs. 65% were carried out by two or more pit bulls belonging to the same household.

Discussion Notes - 2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

From 2005 to 2017, there were 97 fatal attacks involving 3 or more dogs. Death resulted 16 times more frequently when 2 or more pit bulls were involved than when the group of dogs only included 1 pit bull.

Discussion Notes - 2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

From 2005 to 2017, only 20% of all deaths resulted in criminal charges. Pit bulls were implicated in 75% of these criminal cases.

Discussion Notes - 2017 U.S. Dog Bite Fatalities by DogsBite.org, 2018

By 2021, pit bulls are projected to maul 441 Americans to death since 1998, the year the CDC stopped tracking fatal dog attacks by breed, and over 515 Americans since 1980.

Fatalpitbullattacks.com, 2018, Nonprofits Urge CDC to Resume Tracking Richer Data Set for Children and Adults Disfigured, Maimed and Killed by Dogs, DogsBite.org, 2014

In 2016, pit bulls accounted for 71% of all deaths, just over 7 times more than the next closest dog breed.

2016 U.S. Dog Bite Fatalities by DogsBite.org, 2017

In 2016, 42%, of all dog bite fatality victims were either visiting or living temporarily with the dog's owner when the fatal attack occurred.

2016 U.S. Dog Bite Fatalities by DogsBite.org, 2017

In 2015, the combination of pit bulls and rottweilers contributed to 91% of all dog bite-related fatalities.

2015 U.S. Dog Bite Fatalities by DogsBite.org, 2016

In 2014, dogs inflicted 42 deadly attacks in the U.S., the highest ever recorded. On average, a fatal dog attack occurred every 8.7 days.

2014 U.S. Dog Bite Fatalities by DogsBite.org, 2015

In 2012, rescued and rehomed dogs accounted for 15% (6) of all deadly attacks. Three adult victims, all female, were killed by their own rescue dogs.

2012 U.S. Dog Bite Fatalities by DogsBite.org, 2013

The data indicate that rottweilers and pit bull-type dogs accounted for 67% of human DBRF in the United States between 1997 and 1998. It is extremely unlikely that they accounted for anywhere near 60% of dogs in the United States during that same period and, thus, there appears to be a breed-specific problem with fatalities.

Breeds of Dogs Involved in Fatal Human Attacks in the United States Between 1979 and 1998, by Sacks, Sinclair, Gilchrist, Golab and Lockwood, Journal of the American Veterinary Medical Association, September 15, 2000, Vol. 217, No. 6, Pages 836-840

Breed-specific law statistics

Jurisdictions in 50 countries regulate pit bulls and other dangerous dog breeds. In 39 of those countries, the regulation is a national-level law.

Estimated U.S. Cities, Counties and Military Facilities with Breed-Specific Laws by DogsBite.org, 2018

Over 1,000 U.S. cities have adopted breed-specific laws since the mid 1980s, just after pit bulls began leaking into the general population from the shadowy world of dogfighting.

Estimated U.S. Cities, Counties and Military Facilities with Breed-Specific Laws by DogsBite.org, 2018

Over 290 U.S. military bases governed by the U.S. Air Force, Air Force Space Command, U.S. Army, U.S. Marine Corps and Navy regulate dangerous dog breeds.

Estimated U.S. Cities, Counties and Military Facilities with Breed-Specific Laws by DogsBite.org, 2018

  1. Nonfatal Dog Bite-Related Injuries Treated in Hospital Emergency Departments - United States, 2001, by the Centers for Disease Control and Prevention, Morbidity and Mortality Weekly Report (MMWR), 2003; 52(26): 605-610.