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Cats (Felines)
Dog Health

Who lives longer cats or dogs?


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February 10, 2017 11:28AM


A dog's average lifespan usually depends on the size of a dog. One of the smallest breeds of dog is the miniature chihuahua.

The Mastiff is considered the largest breed of dog in the world because of it's mass but the tallest dog breed is the Irish Wolfhound.

chihuahua lifepsan: 8-18 years (median 13 1/2, average 13)

Mastiff lifespan: 9-11 years(median 10, average 10)

Irish wolfhound lifespan: 6-8 years (median 7, average 7)

The average house cat can live to be 16-20 years old, or more. Considering the fact that a chihuahua has an especially long life for a dog and the average for a chihuahua does not meet the average for a house cat it can be assume that cats live longer than dogs.
Generally, cats live longer than dogs. The average lifespan of a cat is 15-17 years, although many live beyond the age of 20 years. Large dog breeds normally live anywhere between 9-12 years and small dog breeds can live up to 12-16 years of age.