Dog have died and half are still alive, ranges from 10 to 13 years. Individual dogs may live well beyond the median of their breed. The breed with the shortest lifespan (among breeds for which there is a questionnaire survey with a reasonable sample size) is the Dogue de Bordeaux, with a median longevity of about 5.2 years, but several breeds, including Miniature Bull Terriers, Bloodhounds, and Irish Wolfhounds are nearly as short-lived, with median longevities of 6 to 7 years. The longest-lived breeds, including Toy Poodles, Japanese Spitz, Border Terriers, and Tibetan Spaniels, have median longevities of 14 to 15
Fault (dog) do with the individual dog's ability to work or suitability as a pet. Faults are formally defined in reference to the breed standard of the specific dog breed, and, due to the extreme variability of the dog ("Phenotypic variation among dog breeds, whether it be in size, shape, or behavior, is greater than for any other animal"), a single set of faults cannot be generically described for all dog breeds. Wikipedia articles for individual breeds should describe what are considered faults in that particular breed. "Faults" are evaluated as part of the judging process in conformation shows. As the purpose