Dog Lifespan by Breed

Average life expectancy data for 45+ popular breeds, grouped by size. Plus: what actually drives longevity differences between breeds.

14–16 yrs

Small breeds

11–14 yrs

Medium breeds

10–13 yrs

Large breeds

7–10 yrs

Giant breeds

Small Breeds

BreedAvg lifespanNotes
Affenpinscher12–14 yrs
Alaskan Klee Kai14 yrs
Australian Silky Terrier11–14 yrs
Australian Terrier12–14 yrs
Bichon Frise12–15 yrs
Boston Terrier14 yrsBrachycephalic
Brussels Griffon12–15 yrs
Cairn Terrier12–14 yrs
Cesky Terrier14 yrs
Chihuahua14–18 yrs
Chinese Crested13–15 yrs
Chipoo14 yrsMixed
Cockapoo14–18 yrsMixed
Coton De Tulear15 yrs
Dachshund12–14 yrs
Dandie Dinmont Terrier11–13 yrs
English Toy Spaniel10–12 yrs
Fox Terrier (Smooth)10–13 yrs
Fox Terrier (Wire)10–13 yrs
Havanese12–14 yrs
Italian Greyhound12–15 yrs
Jack Russell Terrier13 yrs
Japanese Chin12–14 yrs
Lancashire Heeler14 yrs
Lhasa Apso12–14 yrs
Löwchen13–15 yrs
Maltese12–14 yrs
Maltipoo13 yrsMixed
Manchester Terrier (Toy)14–16 yrs
Miniature Bull Terrier11–14 yrs
Miniature Pinscher12–14 yrs
Miniature Poodle12–14 yrs
Miniature Schnauzer12–14 yrs
Norfolk Terrier13–15 yrs
Norwich Terrier13–15 yrs
Papillon12–15 yrs
Parson Russell Terrier13–15 yrs
Peekapoo13 yrsMixed
Pekingese12–15 yrsBrachycephalic
Pomapoo13 yrsMixed
Pomeranian12–16 yrs
Pug12–15 yrsBrachycephalic
Rat Terrier16 yrs
Schipperke13–15 yrs
Scottish Terrier11–13 yrs
Sealyham Terrier11–13 yrs
Shih Tzu11–14 yrsBrachycephalic
Silky Terrier11–14 yrs
Skye Terrier12–14 yrs
Snorkie12 yrsMixed
Tibetan Spaniel14 yrs
Toy Fox Terrier13–14 yrs
Toy Manchester Terrier14–16 yrs
Toy Poodle12–14 yrs
West Highland White Terrier12–14 yrs
Xoloitzcuintle (Toy)13 yrs
Yorkie-Poo14 yrsMixed
Yorkshire Terrier14–16 yrs

Medium Breeds

BreedAvg lifespanNotes
Airedale Terrier10–13 yrs
American Staffordshire Terrier12–14 yrs
American Water Spaniel10–12 yrs
Australian Kelpie12 yrs
Australian Shepherd12–15 yrs
Basenji12–14 yrs
Basset Hound11–14 yrs
Beagle12–14 yrs
Bearded Collie12–14 yrs
Bedlington Terrier12–14 yrs
Belgian Malinois10–12 yrs
Belgian Shepherd Dog10–12 yrs
Belgian Tervuren10–12 yrs
Border Collie10–14 yrs
Border Terrier12–15 yrs
Bull Terrier11–14 yrs
Canaan Dog12–13 yrs
Cardigan Welsh Corgi12–14 yrs
Carolina Dog13 yrs
Catahoula Leopard Dog12 yrs
Cavalier King Charles Spaniel9–14 yrs
Chesapeake Bay Retriever10–13 yrs
Chinese Shar-Pei8–10 yrs
Chow Chow8–12 yrs
Cocker Spaniel12–15 yrs
Cocker Spaniel (English)12–14 yrs
Collie8–12 yrs
Dalmatian12–14 yrs
English Bulldog8–12 yrsBrachycephalic
English Springer Spaniel10–14 yrs
Field Spaniel12–14 yrs
Finnish Spitz12–14 yrs
French Bulldog9–11 yrsBrachycephalic
German Pinscher12–15 yrs
Glen of Imaal Terrier10–14 yrs
Harrier12–14 yrs
Ibizan Hound12–14 yrs
Irish Terrier12–15 yrs
Kerry Blue Terrier12–15 yrs
Keeshond12–14 yrs
Kooikerhondje13 yrs
Lakeland Terrier12–16 yrs
Laekenois12 yrs
Maremma Sheepdog12 yrs
Nova Scotia Duck Tolling Retriever11–13 yrs
Old English Sheepdog10–12 yrs
Pembroke Welsh Corgi11–13 yrs
Petit Basset Griffon Vendeen11–14 yrs
Pharaoh Hound11–14 yrs
Pit Bull12–14 yrs
Plott11–13 yrs
Polish Lowland Sheepdog10–14 yrs
Portuguese Water Dog10–14 yrs
Puli10–15 yrs
Samoyed10–12 yrs
Schnoodle13 yrsMixed
Scottish Deerhound7–9 yrs
Shetland Sheepdog12–14 yrs
Shiba Inu12–15 yrs
Siberian Husky11–13 yrs
Soft-Coated Wheaten Terrier12–14 yrs
Spinone Italiano12–14 yrs
Staffordshire Bull Terrier12–14 yrs
Standard Schnauzer12–14 yrs
Sussex Spaniel11–13 yrs
Swedish Vallhund13 yrs
Thai Ridgeback12 yrs
Tibetan Terrier12–15 yrs
Welsh Springer Spaniel12–15 yrs
Welsh Terrier12–14 yrs
Whippet12–15 yrs
Wirehaired Pointing Griffon12–14 yrs

Large Breeds

BreedAvg lifespanNotes
Afghan Hound12–14 yrs
Akita10–13 yrs
Alaskan Malamute10–13 yrs
American Foxhound10–13 yrs
Anatolian Shepherd Dog10–13 yrs
Australian Cattle Dog10–13 yrs
Beauceron10–12 yrs
Black and Tan Coonhound10–12 yrs
Bloodhound10–12 yrs
Borzoi10–12 yrs
Bouvier des Flandres10–12 yrs
Boxer8–10 yrs
Briard10–12 yrs
Brittany12–13 yrs
Clumber Spaniel10–12 yrs
Curly-Coated Retriever8–12 yrs
Doberman Pinscher10–12 yrs
English Foxhound10–13 yrs
English Setter10–12 yrs
English Shepherd15 yrs
Flat-Coated Retriever10–13 yrs
German Shepherd10–12 yrs
German Shorthaired Pointer12–14 yrs
German Wirehaired Pointer12–14 yrs
Giant Schnauzer10–12 yrs
Golden Retriever10–13 yrs
Goldendoodle14 yrsMixed
Gordon Setter10–12 yrs
Greyhound10–13 yrs
Hungarian Vizsla10–14 yrs
Irish Setter12–14 yrs
Irish Water Spaniel10–13 yrs
Komondor10–12 yrs
Kuvasz9–12 yrs
Labradoodle13 yrsMixed
Labrador Retriever10–12 yrs
Norwegian Buhund11–13 yrs
Norwegian Elkhound10–12 yrs
Otterhound10–13 yrs
Pointer11–15 yrs
Redbone Coonhound11 yrs
Rhodesian Ridgeback10–12 yrs
Rottweiler8–11 yrs
Saluki12–14 yrs
Standard Poodle12–15 yrs
Tibetan Mastiff11–14 yrs
Treeing Walker Coonhound12–13 yrs
Weimaraner10–13 yrs

Giant Breeds

BreedAvg lifespanNotes
African Boerboel9–11 yrs
Akbash10–11 yrs
Alapaha Blue Blood Bulldog13 yrs
American Bulldog12–14 yrs
Bernese Mountain Dog6–9 yrs
Black Russian Terrier10–11 yrs
Bullmastiff8–10 yrs
Cane Corso11 yrs
Central Asian Ovtcharka12 yrs
Dogue de Bordeaux5–7 yrs
Estrela Mountain Dog11 yrs
Fila Brasileiro10 yrs
Great Dane7–10 yrs
Great Pyrenees10–12 yrs
Greater Swiss Mountain Dog10–12 yrs
Irish Wolfhound5–7 yrs
Leonberger8–9 yrs
Mastiff (English)9–11 yrs
Neapolitan Mastiff8–10 yrs
Newfoundland8–10 yrs
Saint Bernard8–10 yrs

Lifespan ranges sourced from AKC breed standards, VCA Animal Hospitals breed profiles, and published breed health surveys. Mixed-breed entries (labeled "Mixed") reflect reported averages for those crossbreeds. Individual dogs vary significantly based on genetics, diet, and veterinary care.

Why Do Breed Sizes Age So Differently?

The inverse relationship between body size and lifespan in dogs is one of the most striking examples in mammalian biology. In most other mammals, larger species live longer (elephants vs. mice). Dogs are the exception because all sizes were compressed into a single species by selective breeding over thousands of years.

Current leading hypotheses:

  • Elevated IGF-1 (insulin-like growth factor): Large breeds have higher circulating IGF-1, which promotes growth but also accelerates cellular aging and is associated with higher cancer rates.
  • Metabolic cost: Larger bodies require more energy to maintain, generating more oxidative stress byproducts that damage cells over time.
  • Faster development: Giant breeds reach full size faster (relatively), and the same genetic programming that produces rapid growth may also accelerate aging pathways.
  • Dilated cardiomyopathy: Giant breeds have a higher incidence of this fatal heart condition, which acts as a ceiling on lifespan independent of other factors.

Factors That Affect Individual Lifespan

Breed averages are just that — averages. Individual lifespan depends heavily on:

Weight management

Overweight dogs live 1.8–2.5 years less on average (Kealy et al., 2002). Keeping your dog lean is the single highest-impact longevity intervention available.

Dental care

Periodontal disease is linked to heart, kidney, and liver disease. Annual professional cleanings reduce systemic inflammation.

Regular vet care

Dogs who receive annual or bi-annual checkups have disease caught earlier, when it's more treatable.

Exercise

Regular moderate exercise maintains muscle mass, joint health, and cardiovascular function. Prevents obesity.

Frequently Asked Questions

The average dog lives 10–13 years across all breeds. However, this average masks enormous variation: small breeds average 14–16 years, while giant breeds average only 8–10 years. Mixed-breed dogs often benefit from hybrid vigor and typically live 13–15 years.
The exact mechanism isn't fully established, but leading hypotheses include: larger bodies accumulate cellular damage faster due to higher metabolic demands; elevated growth hormone (IGF-1) in large breeds is associated with accelerated aging and higher cancer rates; larger hearts work harder. The size-lifespan inverse relationship holds across many mammal species.
Among documented breeds, Chihuahuas, Toy Poodles, and Dachshunds consistently reach 15–18 years. The oldest verified dog on record, Bobi (a Rafeiro do Alentejo mix), lived to 31 years. Among medium breeds, Australian Cattle Dogs are notable, as a member of that breed (Bluey) holds a historical record of 29 years.
Giant and brachycephalic breeds have the shortest average lifespans. Great Danes average 7–10 years; Irish Wolfhounds 5–7 years; Dogue de Bordeaux 5–7 years; French Bulldogs 9–11 years. Brachycephalic (flat-faced) breeds face compounded respiratory and cardiovascular challenges.
Key factors: maintain a healthy weight (obesity cuts life expectancy by 2+ years in most studies), feed a nutritionally complete diet, provide regular moderate exercise, keep up with dental care, and attend bi-annual vet checkups after age 7. Spaying/neutering is associated with longer lifespan in most but not all studies.
On average, yes — a phenomenon called hybrid vigor or heterosis. Mixed breeds average 13–14 years vs. 11–12 years for purebreds overall. However, this advantage varies by the specific combination; a large mixed breed may not outlive a comparable purebred of the same size.

Related Pages

PawToolkit provides general information only. Always consult a licensed veterinarian for medical advice specific to your pet.