08 April 2013 ~ 0 Comments

Do Small Dogs Live Longer Than Large Dogs?

“Small dogs versus large dogs: which one lives longer?”


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Small dogs have been known to live longer than large dogs according to research. Photo courtesy Maksima Mrvicova, Flickr

“I am small, but my years are large. Woof!”

It is an age old question: Do small dogs lives longer than large dogs? Research shows that the smaller the dog, the longer the lifespan. There are several factors that contribute to this, which explains the reason why we see so many small dogs living as old as 20 years.

Do Small Dogs Live Longer Than Large Dogs?

Large dog breeds age faster, and the speed at which the risk of death increases with age is greater with larger breeds than smaller ones. Big dogs apparently die younger mainly because they age quickly, researchers say.


These new findings could help unravel the biological links between growth and mortality, the scientists added.


Normally, across species, larger mammals live longer than their smaller counterparts; for instance, elephants can get up to 70 years old in the wild, while house mice reach only 4 years. Puzzlingly, within species, the opposite seems true — in mice, horses and perhaps even humans. Read more about A Dog’s Lifespan in Why small pups outlive large dog breeds here.

We all wish our fur babies would live as long as we do, and find it difficult to let them go after what seems to be such a short amount of time. When asking the question, do small dogs live longer than large dogs, one is left with the answer yes according to research studies. Health, diet, and exercise are also contributing factors when determining a dog’s lifespan.

The bottom line is that we can love and care for our dogs and keep them with us for as long as possible. No matter what their memory stays with us forever. And if you would like to know the approximate age in human years your dog is currently, WebMD offers an age chart to get an approximate number here.

What has been the average lifespan for a dog in your own personal experience?

Do you agree that small dogs live longer than large ones?

Tell us your thoughts below!