What Is the Average Life Expectancy of Dogs by Breed?


Quick Answer

Some dog breeds with long life expectancy include the Yorkshire terrier at 14 to 16 years, the poodle at 12 to 15 years and the Maltese at 12 to 14 years. In addition, the miniature schnauzer lives 12 to 14 years and the Boston terrier an average of 14 years.

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Full Answer

Additional breeds with long life expectancies include the Shetland sheepdog and beagle at 12 to 14 years, the Labrador retriever at 10-12 years, the Chihuahua at 14 to 18 years and the pug at 12 to 15 years. Mixed breed dogs have an average life expectancy of 14 years, whereas purebreds live for 10 years on average.

The bulldog has one of the shortest life expectancies, with an average lifespan of six years. The chow chow, Chesapeake Bay retriever, French bulldog, boxer and Newfoundland all have life expectancies of nine years. The Saint Bernard, Bernese mountain dog and bullmastiff have life expectancies of eight years.

Generally, smaller dog breeds have longer life expectancies than larger breeds. Owners of mixed breed dogs can use their dog's weight to help determine the expected lifespan. Those who want to convert their dogs age to the human age equivalent can refer to a conversion chart found on www.petmd.com. For example, a 1-year old dog in any weight category converts to a human age of 21.

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