We do what we can to provide a happy and healthy life for our pet dogs. After all, we want them to be with us for a very long time. As it turns out, there is something you can do that may help your pet to live longer. Choose to adopt the breed of dog that lives the longest.

The 10 dog breeds below have the longest lifespans on average. Although there are some larger dogs in the mix, most of the dogs are smaller because they tend to live the longest. These are average numbers, so just keep that in mind. Do you own one of these dog breeds?

New Guinea Singing Dog

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This dog breed lives a whopping 18 years on average. Not only is the New Guinea Singing Dog the longest living breed in the world, it's also the world's rarest dog breed. About 100 New Guinea Singing Dogs are living in homes worldwide and they are considered to be one of the most primitive companion dogs today.

Chihuahua

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Not only are Chihuahuas a small dog, but they also are one of the longest living with an average life span of 17 years. They have very few genetic issues, which may lead to their long lifespan.

Cockapoo

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This breed is a cross between a poodle and a cocker spaniel. Cocker spaniels are not necessarily long-lived but poodles are, which may have led to their long lifespan of 16 years.

Jack Russell Terrier

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If you've ever had a Jack Russell in your life, you know that they have plenty of energy. Maybe that is why they live so long (about 16 years on average) because it takes a long time for them to wind down.

Maltese

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Maltese are expected to live long because they don't have many genetic issues. Although this dog breed lives 15 years on average, females live about a year longer than males.

Beagle

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Not only are beagles adorable, but they also tend to stick around for a long time. This dog breed enjoys a 15-year lifespan.

Australian Shepherd

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If you are looking for an active dog with a long lifespan, these herding dogs are near the top of the list. These very good boys and girls enjoy a 15-year lifespan.

Shih Tzu

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These dogs were originally bred for royalty, which could explain their relatively lengthy 15-year lifespan. They would sit on the lap of kings and queens, and perhaps it is the luxury living that allows them to live so long.

Lhasa Apso

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These little dogs make great lap dogs and companions. They tend to love their family but they take time to warm up to strangers. These friendly pups will keep your lap warm for about 15 years.