Why Some Breeds Live Longer
As a general rule, smaller dogs tend to outlive larger ones. Big breeds grow faster and put more strain on their hearts and joints over a shorter life, while small breeds mature more slowly and carry less physical stress on their bodies day to day. Genetics play a real role too, with some breeds carrying a lower risk of the cancers and joint problems that shorten a dog's life.
None of this is a guarantee for any individual dog, plenty of large breeds live long, happy lives and plenty of small dogs do not, but breed tendencies are a useful starting point if you are curious about what might be ahead.
The 10 Longest Living Dog Breeds
Perhaps the best known example of small dogs outliving large ones, the Chihuahua typically lives for 15 to 20 years, an impressive stretch for such a tiny breed.
Bred to be tough, energetic working dogs, Jack Russells commonly reach 16 years and have been known to make it to 20 with the right care.
All poodle sizes tend to live well, but the Toy Poodle often edges out its Standard and Miniature cousins, regularly reaching 18 years.
An outlier on this list as a working breed rather than a toy breed, the Australian Cattle Dog usually lives 12 to 16 years, though one dog named Bluey famously lived to 29, the longest verified lifespan of any dog on record.
Tiny and long lived, the Yorkshire Terrier typically reaches 14 to 17 years, noticeably longer than many of its terrier relatives.
Originally bred in Tibetan monasteries, the Lhasa Apso averages around 14 years, with some individuals living well into their twenties.
This cheerful, curly coated breed averages around 15 years, and it is not unusual for a well cared for Bichon to reach 19 or 20.
Both smooth and long haired Dachshunds typically live 12 to 17 years, with one recorded individual named Chanel reaching 21.
Averaging around 15 years, the Shih Tzu has produced some remarkable outliers, including one dog named Smokey who lived to 23.
A loyal breed from Japan, the Shiba Inu typically lives 14 to 16 years, and one Shiba mix named Pusuke reportedly reached 26.
The Oldest Dogs Ever Recorded
What stands out across this list is how often the record holders blow past their breed's typical range by a decade or more. That gap between average and record is mostly explained by care, weight management, dental health, environment and simple good luck all add up over a long life.
Bluey the Australian Cattle Dog holds the record for the longest confirmed canine lifespan on record at 29 years, almost double the breed's typical range.
Longevity Records, Working and Toy BreedsIt Is Not Just Genetics
Breed is only the starting point. The habits an owner builds in every day, especially around dental care, weight and routine vet visits, are what tend to separate a dog that hits the average for its breed from one that pushes well past it.
Habit 1: Stay on Top of Dental Care
Dental disease is one of the most common, and most overlooked, health issues in dogs, and untreated gum disease has been linked to problems in the heart, kidneys and liver over time. A simple daily habit like wiping down teeth and gums can make a real difference over the course of a dog's life, especially for small breeds like Yorkshire Terriers and Toy Poodles that are more prone to dental crowding.
Habit 2: Encourage Steady Hydration
Good hydration supports kidney function, and kidney disease is one of the more common health issues that catches up with dogs later in life, especially smaller breeds. Many dogs simply do not drink enough from a still, sitting bowl, particularly if the water has gone warm or a little stale over the day. Fresh, circulating water tends to encourage dogs to drink more often, in smaller, steadier amounts, which is easier on the kidneys than a big gulp once or twice a day.
- Refresh water bowls at least once or twice a day
- Keep a bowl in more than one spot around the house
- Clean bowls and filters regularly to keep water appealing
- Check in with your vet if you notice a big change in how much your dog drinks
Habit 3: Keep Up With Vet Checks
Many of the conditions that shorten a dog's life, from early kidney disease to small lumps and heart murmurs, are far easier to manage when they are caught early. An annual check-up for younger dogs, moving to twice yearly once a dog is considered a senior for its breed, gives your vet the best chance of spotting small issues before they become big ones.
Giving Any Dog Their Best Shot
You cannot change your dog's breed or genetics, but you can absolutely influence how those years play out. Consistent dental care, steady hydration and regular vet visits will not turn every dog into the next Bluey or Pusuke, but they stack the odds in your dog's favour, breed averages included.