25 Most Dangerous Dog Breeds In The World

Dogs are considered to be domesticated and the most loyal animals. The dog is the most domesticated animal by humans. Because they are sociable and understanding. Thousands of years ago, when the human race started developing, then the first animal that was domesticated by humans was the dog.

The World’s Most Dangerous Dog Breeds: Understanding Risks and Responsible Ownership

While any dog can become aggressive under the wrong circumstances, certain breeds possess inherently higher tendencies towards aggression and danger due to their history, size, or temperament. Here’s a breakdown of the top 25 dangerous breeds and key points to remember:

Dangerous Breeds

  • Small but Mighty: Dachshund, Chihuahua, Cocker Spaniel, Jack Russell Terrier, Papillon. These small breeds can be surprisingly aggressive, particularly if not properly trained and socialized.
  • Hunting Heritage: Chow Chow, Alaskan Malamute, Siberian Husky. Breeds developed for hunting often have a high prey drive and a strong independent streak.
  • Guarding Instincts: Doberman Pinscher, Boxer, Bullmastiff, Akita Inu, Cane Corso, Rhodesian Ridgeback, Giant Schnauzer. Bred for protection, they can be territorial and wary of strangers
  • Fighting Background: American Pit Bull Terrier, Bull Terrier, Perro de Presa Canario, Tosa Inu, Dogo Argentino, American Bulldog, Brazilian Bulldog, Gull Dong, American Bandogge. Historically used in dogfighting, these breeds have a predisposition for aggression.
  • Wolf Hybrids: Hybrids between dogs and wolves are unpredictable and can possess strong predatory instincts.

Key Takeaways

  • Breed Tendencies: Understanding a breed’s history and temperament is crucial before choosing a dog. Certain breeds require experienced owners who can provide strong leadership and extensive training.
  • Early Socialization: Socializing puppies from a young age with various people, animals, and environments helps prevent aggression and fear-based behaviors.
  • Responsible Ownership: Proper training, adequate exercise and mental stimulation, a secure environment, and responsible handling are essential for minimizing risks with any dog breed.
  • Warning Signs: Growling, snapping, resource guarding, and tense body language are signs of potential aggression that should be addressed immediately.
  • Not All Dogs Are Equal: Every dog is an individual. A dog’s upbringing and environment significantly impact its behavior, regardless of breed.

Important Considerations

  • Research Before Adopting: Thoroughly research any breed you are considering, and honestly assess whether you can fulfill its specific needs.
  • Training is Essential: Obedience training and ongoing socialization are necessary for all dogs, but particularly important for breeds with higher aggression potential.
  • Seek Professional Help: Never hesitate to consult a certified dog trainer or behaviorist for guidance, especially if you notice concerning behaviors in your dog.

It’s crucial to remember that while some breeds carry greater inherent risk, responsible ownership, training, and understanding can make a significant difference in mitigating dangerous behaviors and raise well-adjusted dogs of any breed.

List Of 25 Most Dangerous Dogs In The World

Many people in the world are fond of keeping dogs. Nowadays, many people have kept a dog at home, but let us tell you that before keeping a dog at home, one should know about its breed.

Some dogs are very dangerous and some dogs are very gentle. Today we will tell you about the 25 most dangerous breeds in the world.


Surprise! According to a recent study, this small burrowing dog has been voted the most aggressive breed in the world. And even though the dachshund can’t seriously harm a person, no matter how hard it bites, this little monster is known for its hatred toward strangers.

As it turned out, one out of 5 dachshunds bit a stranger at least once in their life, and one out of 12 attacked their owner.

American Pit Bull Terrier

Dogs of the American Pit Bull Terrier species are the most dangerous and aggressive dogs. Its weight varies between 16 to 30 kg. Many countries have banned these dogs around the world.

American pit bulls are still bred in many countries such as America. However, with better training, you can prevent their aggression. In 2015, 28 people have been confirmed killed by pit bulls in the US alone. So, pit bulls are one of the most dangerous dogs breeds out there.


Dangerous Dog Breeds

Chihuahua dogs peaked out for being moderately bold on some measures. However, they were typically among the “often aggressive” types.

They were only chosen on this list because most other dogs such as pugs, border collies, and Cavalier Spaniels—were all measured as “never aggressive” or “seldom aggressive.”

Bull Terrier

Bull Terriers belong to the family of hunting dogs. The head of this dog is round like an egg. This dog species is a dog with a very agile and strong muscular body.

Dogs of Bull Terrier species prove to be very fatal for other dogs and animals. The average weight of Bull Terrier dogs is 65 pounds. The height of a Bull Terrier dog ranges from 21 to 23 inches.


Dangerous Dog Breeds

Dogs of this species are not only powerful, but at the same time they are experts in biting someone very fast. In the year 2014, 3 people died due to the bite of a Rottweiler in America.

And between 1993 and 1996, many people died due to dog bites in America, in which Rottweilers were responsible for more than half of the deaths. It can bite someone with a pressure of 1460 Newton i.e. 148 kg.

Its weight is between 35 to 48 kg. This dangerous dog breed has been banned in many countries around the world.

German Shepherd

Dangerous Dog Breeds

German Shepherds are among the most dangerous dog breeds in the world. Usually, these dogs are used for police, security, and the army, because this dog has a very high sense of smell, and also specialize in long walks and play. These dogs are quite violent and aggressive.

Despite their low weight, these dogs are known worldwide for their confidence and fearlessness. And when it bites someone, it attacks with a pressure of 108 kg, due to which it is difficult for anyone to survive.

Their weight ranges from 30 to 40 kg, and their height ranges from 22 to 26 inches. In many countries, keeping these dogs has been banned.


Dangerous Dog Breeds

Husky species of dogs are dangerous as well as extremely intelligent. They are also known as sled dogs, which are adept at pulling a vehicle without wheels on snowy plains. When it is in an aggressive mood, it can kill anyone.

Between 1979 and 1993, 15 people died in America due to dogs of this species. Their weight is between 20 to 27 kg.

Alaskan Malamutes

Dogs of the Alaskan Malamute species are found in North America. Similar in size to wolves, the Alaskan Malamute weighs between 34 and 49 kg. Dogs of this species are intelligent as well as full of energy and aggression.

According to the University of Texas study, between 1966 and 1980, 5 people died due to the bite of this dog. Their weight ranges from 36 to 43 kg.

Chow Chows

Dogs of the Chow-Chow breed are found in China, and although they are quite calm, they are equally dangerous. So Chow-Chow is also included in the list of the world’s most dangerous dog breeds. Their biggest feature is that they do not allow anyone to come near them without their consent.

Despite being small-sizes, they can also be ferocious at times; historical research found chow chows in the top 8 aggressive dog breeds responsible for death due to dog bites.

Doberman Pinschers

Dogs of the Doberman Pinscher breed are generally bred for protection. These dogs are mostly seen near the police and army. These dogs help catch thieves.

Nowadays many people have started keeping these dogs at home as well. These dogs become aggressive when they see strangers, but they calm down within minutes after seeing their owners.


Dogs of this species are used as guard dogs. The Boxer breed is also said to be the descendant of hunting dogs. They can make anyone their prey with their strong jaws.

These dogs are of a protective breed. The height of these dogs is 60 cm. And their weight is up to 30 kg. These dogs are the best choice for security-oriented families. However, since they were originally bred to be guard dogs, they sometimes become very aggressive.


Bullmastiffs are smart, athletic, energetic dogs. By nature, they are quite dangerous and can be fatal if not taken care of properly. Bullmastiffs are commonly employed as guard dogs because of their even-tempered demeanor.

These dogs can become reliable and obedient with consistent training from an early age. Bullmastiffs killed 14 people between the period of 2005-2017.

Wolf Hybrid

Some species of wolf hybrid dogs are made from the hybridization of wolves and dogs. One such species is the Wolff hybrid. Breeding of dogs of this species has been banned in many states of America because they can attack anyone.

According to statistics, between 1979 and 1998, 14 people died in America due to the bite of dogs of this species. Their weight ranges from 36 to 56 kg.

Perro de Presa Canario

Presa Canario is also included in the list of the world’s most dangerous dog breeds. This dog is found in Africa, and its biggest feature is that it weighs as much as the youngest human being, which means these dogs weigh 60 to 70 kg. Now can you imagine if it attacks a human or an animal, is it possible for it to escape?

Akita Inu

Originally bred for guarding nobility and royalty in ancient times in Japan, as per Dog Time, the Akita Inus is now famous as a faithful, fearless, and fluffy dog breed. But since this breed was developed to protect and guard, Akita Inus will become aggressive quickly if they are not trained properly.

Great Dane

Dangerous Dog Breeds

If dogs of this species are trained properly, they can prove to be excellent pets in terms of security. But in the absence of training, they become very dangerous.

For this reason, they are also known as Killing machines. Their weight varies between 54 to 90 kg.

Alapaha Blue Blood Bulldog Otto

Alapaha Bulldogs are similar in appearance to American ones. The breed originated in the United States thanks to a dog recovery program from the state of South Georgia. Just like other bulldogs out there, these dogs can also be dangerous. So, you should properly train them from an early age.

American Bulldog

The American Bulldogs are well-balanced muscular dogs that display great endurance, strength, agility, and also a friendly attitude. Historically, American Bulldogs were bred as utility dogs to be used for farm work. American Bulldogs have reportedly caused 15 deaths (3.5%) between the period 2005–2017.

Brazilian Bulldog

Brazilian Bulldogs, or Campeiro Bulldogs, are descendants of an extinct breed of Old English Bulldogs, they were bred in the 16th century.

Dogs were used as household helpers and as shepherds of sheep and bulls. These are very powerful and hardy dogs with sharp hearing and a developed mind. Often they can act like the most dangerous breeds.

Gull Dong

Gull Dongs are from Pakistan and it also known as Pakistani Bulldogs. Gull dongs are common in Asian countries: Afghanistan, Pakistan, and India. This is a large and aggressive dog, which was previously used to bait large and wild animals, such as bears. Just like other bulldogs, Gull Dongs can also be dangerous.

Jack Russell Terrier

Small breeds compensate for their small size with aggressiveness. It is one of the most aggressive dogs in the world. The Jack Russell Terrier is a terrier and that says it all: terriers don’t tolerate rough handling at all and will fight back fiercely. Therefore, watch out for children who can play quite brutally with four-legged pets.

Tosa Inu

It is also known as Japanese Mastiff and Tosa Ken. This dog is also called Rare Breed Dog. These dogs are considered very dangerous. They are used in Japanese Dog Fighting. Its weight is 61 kg and its height is 32 inches.

In Japan, this dog is said to be as powerful as a sumo wrestler and this is the reason why this dog has been completely banned in Ireland, Germany, Australia, and New Zealand.

Dogo Argentino

Dogo Argentino is also included in the list of the most dangerous dog breeds in the world. These dogs are loyal, independent, and full of energy. These dogs were used for hunting.

These dogs are banned in the UK and many other countries because of their aggressiveness towards humans and other animals. Their lifespan ranges from 9 to 15 years. Their weight is 45 kg and their height is 70 cm.

Cocker Spaniel

Cockers are one of the most beloved family pets. They protect their owners well, but not so much to call them aggressive. Nevertheless, Cocker Spaniels made it into the list of dangerous dogs thanks to a genetic disease: some dogs of this breed are prone to “rage syndromes.”

It is a very dangerous disease that generally causes dogs to attack their owners all of a sudden. If a spaniel develops this disease, then the only way out, unfortunately, is to euthanize the animal.

Caucasian Shepherd Dog

This breed is over two thousand years old. These dogs were originally bred to protect herds of sheep from predators. These dogs were brought up with endurance, physical strength, confidence, and fearlessness.

Their thick and waterproof coat allows them to exist in the most uncomfortable conditions. Since these dogs were originally bred to protect the herd, they often become aggressive.


Akbash is an ancient breed of dog, bred in Turkey about three thousand years ago. The name translates as “white head”, they were used as shepherds and watchmen. Since Akbash dogs were bred to be watchdogs, they naturally have aggressiveness in them.


This decorative stylish dog bites very hard! Papillons are especially aggressive towards children because they get irritated very quickly and will not tolerate any bullying. In addition, Papillons are possessive and actively protect their owners, which can lead to attacks on outsiders.

Giant Schnauzer

Not only are Giant Schnauzers aggressive (especially towards other dogs, but towards strangers too), but they are also quite large dogs, which makes them twice as dangerous as any of the breeds mentioned above!

Moreover, this service breed requires special training, and, accordingly, it needs special control. Because of their large size and loud, intimidating bark, Giant Schnauzers are considered good guard dogs.

American Bandogge

The American Bandogge is a gladiator dog, this breed was bred specifically to participate in dog fights. This is an American breed, it was obtained by crossing the American Pit Bull Terrier with the American Staffordshire Terrier and the Neapolitan Mastiff.

Rhodesian Ridgeback

Normally, Rhodesian Ridgeback dogs are not dangerous or aggressive. However, they’re certainly curious with a rude personalities and are independent-minded. Often, they may show aggression toward humans or other dogs by barking.

Cane Corso

While Cane Corso dogs aren’t dangerous generally, their strength and size can make some trouble if not properly trained. These dog breeds need significant time on them to socialize properly. They are not keen on outsiders, including other dogs, thus, you need to train them properly so that they learn how to behave in public.

Aapt Dubey
Aapt Dubey

Aapt Dubey, a devoted canine enthusiast and experienced dog Owner, brings boundless passion to our team. With a heart full of love for our four-legged friends, Aapt is dedicated to sharing insights on dog care, behavior, and training to make every pup's life happier and healthier at ItsAboutDog.com.

Know More

Recommended For You