Dog Breeds With The Most Shortest Lifespans

French Mastiff

The French Mastiff is the breed with the lowest longevity on this list, surviving only five to eight years. The breed is known to have a tough start in life, with a greater stillbirth rate than most other dogs.

Great Dane

These gentle giants don't live long, with a typical lifespan of six to eight years. Bloat, a potentially fatal illness in which the dog's stomach twists and shuts off blood flow to other organs, is the breed's biggest health risk.

Bernese Mountain Dog

Bernese life expectancy has lately dropped from 10 to 12 years to six to eight years. What are the reasons? Berners are predisposed to cancer.  

Irish Wolfhound

The Irish wolfhound has a somewhat longer life expectancy than the Bernese, ranging from six to ten years, although it still lives less than the ordinary dog. 

Neapolitan Mastiff

Neapolitan mastiffs, like the Dogue de Bordeaux, are brachycephalic breeds that suffer from respiratory issues, especially in hot weather.


Newfoundlanders have a life expectancy of roughly eight to ten years. While they are not a brachycephalic breed, their thick coats cause health issues in hot weather.


Rotties have a life expectancy of eight to ten years. These mastiff-related canines are susceptible to bone cancer, which has a dismal prognosis once discovered.

English Bulldog

The bulldog, one of the few medium-sized canines on our list, has an average lifetime of eight to ten years. English bulldogs have a number of health issues that are directly related to how they were bred.

Saint Bernard

The Saint Bernard has a life expectancy of eight to ten years as well. The Saint, one of the biggest dog breeds, has a slew of health issues, including heart disease, epilepsy, and cancer.


The Leonberger lives for eight to nine years and suffers from the same health difficulties as most bigger breeds, including bloat and cancer.

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