The 10 Largest Dog Breeds You Can Keep as Pets

Recent Trends
Ownership of giant dog breeds has risen steadily over the past several years, according to anecdotal reports from breeders and rescue organizations. Social media content featuring breeds such as Great Danes, English Mastiffs, and Saint Bernards often drives interest, but prospective owners are increasingly researching the practical implications before committing. Veterinary professionals note a modest uptick in inquiries about large-breed-specific diets and joint health, suggesting that awareness of specialized care is growing.

Background
The ten largest dog breeds commonly kept as pets include the Great Dane, English Mastiff, Neapolitan Mastiff, Saint Bernard, Newfoundland, Leonberger, Irish Wolfhound, Scottish Deerhound, Tibetan Mastiff, and the Anatolian Shepherd. Historically, most were bred for guarding livestock, pulling carts, or protecting property. Modern breeding standards have shifted toward temperament: today’s large breeds are often selected for calm, trainable dispositions suited to family life.

Key points about size ranges:
- Average adult male weight can fall between 100 and 180 pounds, though some individuals exceed 200 pounds.
- Height at the shoulder typically ranges from 28 to 32 inches for the tallest breeds.
- Lifespan varies widely, with giant breeds often living 6 to 10 years, compared to smaller breeds’ longer averages.
User Concerns
Prospective owners of the largest dog breeds should evaluate several practical factors before acquiring one. Common concerns include:
- Living space: Breeds above 100 pounds generally require enough indoor room to move and a securely fenced yard. Apartment living can be feasible only if daily exercise and mental stimulation are reliably provided.
- Feeding costs: A large dog may consume 30 to 60 pounds of high-quality food per month. Budgeting $80 to $150 monthly is a realistic baseline, rising if the dog has allergies or requires prescription diets.
- Health issues: Hip and elbow dysplasia, bloat (gastric dilation-volvulus), heart conditions, and certain cancers are more prevalent in giant breeds. Routine veterinary care and emergency preparedness are essential.
- Training and socialization: Due to their strength, early obedience training and consistent socialization are critical to prevent behavior problems that could be dangerous. Many owners opt for professional training or formal classes.
- Housing restrictions: Some rental properties, homeowners associations, and insurance policies impose weight or breed restrictions. Checking local rules in advance is recommended.
Likely Impact
The growing popularity of the largest dog breeds is expected to influence several sectors:
- Veterinary medicine: Continued specialization in large-breed orthopedics, nutrition, and emergency care. Pet owners may find more clinics offering tailored services, but costs may rise accordingly.
- Home and auto industries: Demand for larger crates, vehicle cargo space, and reinforced fencing may increase. Pet-friendly rental properties may adjust policies to accommodate or exclude giant breeds.
- Insurance and liability: Homeowners and renters insurance premiums could shift as claims related to dog bites or property damage are more costly with larger dogs. Some providers already exclude certain breeds.
- Breeding and rescue: Responsible breeders are likely to emphasize health testing and temperament over pure size. Rescues for giant breeds report longer adoption processes due to space and compatibility checks.
What to Watch Next
Several developments will shape the landscape for owners of the ten largest dog breeds in the near future:
- Genetic health screening: Advances in canine DNA testing may help breeders reduce the incidence of inherited diseases, potentially extending the average lifespan of giant breeds.
- Legislative changes: Some municipalities are revisiting breed-specific bans in favor of behavior-based regulations. Owners should monitor local ordinances regarding large dogs.
- Alternative housing models: Co-living spaces and apartment complexes designed with heavier dogs in mind (e.g., ground-floor units, dog runs) could emerge in urban areas.
- Pet insurance evolution: Insurers may introduce more nuanced policies covering orthopedic surgery and bloat treatment, with higher premiums but better coverage for large breeds.
For anyone considering one of the ten largest dog breeds, thorough research into daily care costs, space requirements, and long-term health planning remains the most reliable safeguard against surprises.