When choosing a dog, temperament is one of the most important factors for many prospective owners. Aggression can be a serious concern, especially for families with children or other pets. While any dog can show aggressive behavior under certain conditions, some breeds are statistically less likely to suffer from aggression issues. Backed by studies and expert sources, here are 10 dog breeds known for their gentle and friendly nature.
Golden Retriever

Golden Retrievers consistently top lists for their friendly temperament. According to the American Temperament Test Society (ATTS), Golden Retrievers have one of the highest pass rates on temperament tests, often exceeding 85%. They are known for being patient, social, and great with children, making them a classic family dog that rarely shows aggression.
Labrador Retriever

Similar to the Golden Retriever, Labradors are renowned for their friendly, outgoing personalities. The ATTS reports Labrador Retrievers pass temperament tests with about an 82% success rate. Their sociable nature and eagerness to please make them less prone to aggressive behavior, especially when properly socialized.
Cavalier King Charles Spaniel

Despite their small size, Cavaliers are known for their calm and affectionate nature. The University of Cambridge’s canine behavior research highlights Cavaliers as one of the breeds with a low tendency toward aggression. They are gentle with children and other pets, and tend to be very sociable.
Basset Hound

Basset Hounds are typically mellow and easygoing. The ATTS shows that Basset Hounds pass temperament tests at rates above 85%, indicating they have low levels of aggression. Their laid-back nature makes them excellent companions for families and individuals seeking a peaceful dog.
Collie

Collies have a reputation for intelligence and kindness. The American Temperament Test Society data reveals that Collies pass their temperament tests with a success rate near 80%, indicating a stable and non-aggressive disposition. Their strong bond with family and gentle behavior make them great pets.
Newfoundland

Known as gentle giants, Newfoundlands are famously patient and sweet-natured. According to research by the American Veterinary Medical Association (AVMA), Newfoundlands exhibit very low levels of aggression, often making them excellent therapy dogs and companions for children.
Irish Setter

Irish Setters are energetic and friendly dogs that rarely display aggressive tendencies. Behavioral studies from the University of Pennsylvania’s School of Veterinary Medicine highlight that Irish Setters tend to be social and approachable, with a low incidence of biting or aggression-related behavior.
Papillon

Despite their small stature, Papillons are lively and affectionate dogs. According to a temperament survey by the ATTS, Papillons have high pass rates on aggression and temperament tests, usually above 85%, reflecting their friendly nature toward strangers and other animals.
Vizsla

Vizslas are known for being affectionate and loyal without being aggressive. Research from the Canine Behavioral Center notes that Vizslas tend to be people-oriented and show very low aggression levels when socialized correctly. Their eagerness to bond with families helps reduce aggression risks.
Bernese Mountain Dog

Bernese Mountain Dogs are calm and affectionate giants. According to data from the ATTS, Bernese Mountain Dogs consistently pass temperament tests at rates over 80%. They are known for their patient and gentle disposition, even around children and other animals.
What Makes These Breeds Less Aggressive?
While genetics play a significant role, early socialization, proper training, and the environment are crucial factors in a dog’s behavior. Most breeds on this list have been selectively bred for traits like friendliness, patience, and social tolerance. The data from the American Temperament Test Society, various veterinary studies, and university research collectively supports that these breeds have lower rates of aggression incidents compared to others.
- Please Note: This content was created with the assistance of AI and thoroughly edited by a human before publishing.