Shiba Inus weigh 17 to 23 pounds. On average, a healthy Shih Tzu may live for about 12 to 16 years. The reality is that the lifespan of a Shih Tzu is just an approximation, and there are always exceptions. For small dogs, multiply by 6. Colors: Brown, white, gray, black. 10. Generally, dogs live for 12. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. According to Guinness World Records, Bluey, who lived 29 years, and 5 months (approx. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. A Shih Tzu can live for eighteen years. Mal-Shi are more likely to develop cancer since they do live to an older age. When trauma is included, the average life expectancy drops to 11 years. This is an approximation and there are always exceptions. Shih Tzu dogs have a life expectancy ranging from 10 to 16 years, with the average age being 13 years. A Shih Tzu dog – famous for its distinct long-haired coat — will live to approximately 12 to 16 years. Teething is complete for most pups. Shih Tzu. She's also a registered veterinary technician with over 20 years of expertise in the field of veterinary medicine. They love to be loved and give it back very. Shih Tzus are one of the best small family dogs and you may be wondering how long these lovable canine companions can live. It's thought the oldest living Shih Tzu was a dog from Florida called Smokey who lived to be 23-years-old. A fun fact, the oldest of this breed has lived 26 years in St. Like other dog breeds, Shih Tzu dogs. This can’t be 100% true. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. What Factors Shorten the Life Span of a Shih Tzu? Health and genetics are contributing factors to how long your Shih Tzu will live. Healthy shih tzu dogs can live to be any age between 10 and 18, but have an average life span of 13 years. 16 years; Boxer 10. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Longevity in dogs is partially determined by their breed. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. Both are sexually mature and physically grown but still a bit lanky. Longevity in dogs is partially determined by their breed. But it can live up to 16 years and beyond. The average lifespan of a Shih Tzu is 13 years, though Maltese pups might live longer. Of all Poodle mix breeds, the Shih Poo has one of the longest life expectancies at 12 to 17 years. The oldest living Shih Tzu as of 2021 is Tutsy. Shih Tzu’s can be found in a wide variety of colors. To be more accurate: A 1-year-old puppy equals a 10-15 years old human. Pet parents may benefit from investing in pet insurance early in life. 5. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. The world’s oldest Shih Tzu lived to be 23 years old — he was a Shih Tzu named Smokey from Florida. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Year two for a dog equals about nine years for a human. For most small dogs, including the Shih Tzu, the average life span is approximately 15 --16 years. However, most live between 10 and 16. Size. owners need to distinguish which human food is safe for dogs and which are not. The lifespan of a Shih Tzu is usually between 10 and 12 years, however, there are some small breeders who have reported Shih Tzus living up to 15 years or more. This puppy dream of many dog lovers, the Shih -Tzu, when it is raised and healthy, lives between 10 to 15 years. Get Started. The Breed Is More Than 1,000 Years Old. Shih Tzu Life Span In Human Years, Dog Years ⇔ Human Years: Calculator, Age Chart and Converter, The Shih Tzu Life Span: How Long do Shih Tzu's Live For? Home 2023-11-15Kidney failure was the final blow. SHIH TZU LIFESPAN – POSSIBLE CAUSES OF DEATH. It is affectionate to its family and good with children. Shih Tzus have a life expectancy of 12 to 16 years. Shih Tzus have a lifespan of 10 to 16 years, with the average being around 13 years — which is longer than many other breeds. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Longevity in dogs is partially determined by their breed. What is the Shih-tzu's Life Span: How Many Years Do They Live? This puppy dream of many dog lovers, the Shih -Tzu, when it is raised and healthy, lives between 10 to 15 years. Tips for prolonging your Shih Tzu’s life. The following are factors affecting Shih Tzu’s lifespan in human years: 1. So these dogs are among the longer living dog breeds. Alas, for some reason, life expectancy of Shih-Tzu is even lower. In reality, the average first 2 years of a dog equals 24 human years usually. The obvious question that comes after. Immediate veterinarian care will help your Shih Tzu’s life span reach his golden years as a senior citizen. 02 of 16. Some of them can even live for more than 20 years with proper healthcare and training. Shih Tzus are one of the best small family dogs and you may be wondering how long these lovable canine companions can live. Given that we know how long Shih Tzus live for, we can calculate an average age for life expectancy. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. Longevity in dogs is partially determined by their breed. Shih Tzus are not only cute and lovable, but they’re also known to be very smart. Shih tzu. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Dog BreedShih Tzu vs Maltese: Life Expectancy. the transcendence of human desire. On average, a Shih Tzu. In fact, the oldest documented Shih Tzu was 23 years old. The lifespan of a shih tzu can vary a great deal depending on how it is cared for. On average, Shih Tzus have a lifespan of 10 to 16 years. This figure varies depending on how old a Shih Tzu gets to be. Of all Poodle mix breeds, the Shih Poo has one of the longest life expectancies at 12 to 17 years. 06 of 26. A Shih Tzu dog, known for its distinctive long haired coat, has an average lifespan of 12 to 16 years. However, there are many different factors that can affect a Shih Tzu's life expectancy. Longevity in dogs is partially determined by their breed. Following that, a dog would have roughly five years for every human year. Known for their flowing coats and cheerful personalities, Shih Tzus make devoted small companions. How long your Shih Tzu will live is determined by a lot of. Casademont J. The average age of Shih Tzu is approximately 13 years, while their life expectancy ranges between 10 to 16 years. As any pet owner knows, a shih tzu’s lifespan can vary depending on their diet and health. Life expectancy from age zero is 7. Little Shih Tzu dogs typically live to be 14 or 15 years old and are fairly hardy creatures. It is a relatively small dog, measuring between 9 and 12 inches and weighing between 9 and 15 pounds. WEIGHT: 42 to 60 pounds for males, and 35 to 50 pounds for females. Lifespan. Breed stats. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. There are some simple steps that owners can take to help their pup reach an older age, for. Although many factors can affect the longevity of the Shih Tzu lifespan, it can still live up to 16 years. 4. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. 11 years in dog years means 72 human years for large and giant dog breeds. 5 years old. Shih Tzu. The average Shih Poo lifespan is around 13 to 17 years. Longevity in dogs is partially determined by their breed. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. One important thing to note is that when you’re comparing the average life span of a Shih Tzu to other breeds, you have to take into account the size of the dog. Longevity in dogs is partially determined by their breed. A Maltese can live for up to fifteen years on average. Longevity in dogs is partially determined by their breed. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Shorkies thrive on human interaction and enjoy being part of the family unit. And with a life span of 13 to 15 years, you’ll have someone to keep you company for a long time. Shih Tzu Food Recommendations. How Many Human Years Do Shih Tzu Dogs Live The dog would have lived for 12 to 16 years if the average expected lifespan were converted to human years,. A medium-sized dog's first year of life is equivalent to 15 human years. 19–11. Longevity in dogs is partially determined by their breed. Exercise Requirements. The average life expectancy of a Shih Tzu is between 11 and 14 years. Shih Tzus are not only cute and lovable, but they’re also known to be very smart. The Shih Tzu is an affectionate family breed with a playful personality. 1–65. However, several factors may influence their longevity, including genetics, nutrition, exercise, medical care, and overall well-being. The average life span of a Shih Tzu is thirteen years although they can live longer than that. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. The average lifespan of a shih tzu is 13 years. According to Guinness World Records, Bluey, who lived 29 years, and 5 months (approx. Toy Shih Poos live for 10 to 12 years. The average life span of a Shih Tzu is 10 to 16 years, making them a relatively long-lived breed of a small dog. How Long Do Shih Tzu Live: Average Life Expectancy. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. A 2-year-old Pekingese may age only 4 years in a single human year, whereas a Great Dane may age 9. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. The Shih Tzu life span ranges from 10 to 16 years, so the average age they live for will be 13 years old. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. These dogs are native to Papua New Guinea and there are only about 100 of them estimated in the world. Exercise needs: Moderate. Longevity in dogs is partially determined by their breed. The life expectancy of a Maltese Shih Tzu is around 10 to 16 years. Let’s explore what brings about this contrast. Some Shih Tzu even live into their mid-teens, and many do live into their early teens. A dog’s second year of life equals 3-8 human years. Getty. The world’s oldest Shih Tzu lived for 23 years. There’s a common misconception that one human year is equal to seven dog years. And since this is an approximation, some Tzu can live 17, even 18 years. Although, there are Maltese dogs that have exceeded these years while some have lived below the expected lifespan — This could somehow prove that it greatly depends on how a dog is taken care of for it to reach a potentially long life. Longevity in dogs is partially determined by their breed. com How old is my Shih Tzu in human years? The age of your Shih Tzu in human years. Shih Tzu, like any dog breeds, needs to exercise at least three times a week and eat a nutritious meal to keep an appropriate weight. But if you care for your pet properly, it is possible to keep them happy and healthy for years to come. Let’s take a look at 10 dogs with the longest lifespans and how long they can live! Toy poodles and Shih Tzus live on average for 10 to 18 years. Of course, there are always those dogs that significantly outlive their expected life span. 151 in ”human years”) is the oldest dog in the world. That’s quite a long period of time for a small dog, but it’s important to bear in mind that the typical life-span of a Malshi is simply that – a standard. So before you bring one into your home, ensure this is a responsibility that you want to take on. Some live longer and some, sadly, much shorter. That is why we have summarized the health concerns we will be discussing with you over the life of your Shih Tzu. Instead of multiplication, we have to check the dog’s weight, breed, and health status. The Frenchie life span averages between 10 and 12 years. Out-Going. A dog's second year is equivalent to roughly nine years in a person's life. The Shih Tzu's life expectancy can vary but on average they live 10 to 18 years. While they may be small in size, Shih Tzus have big personalities and can live quite long lives. It's not uncommon, however, to meet Shih Tzus that reach the ripe old age of 18 or even 20. Converting dog years to human years depends on various factors as toy, small, medium, large and giant dogs mature differently, which is why dogs up to 50 lbs. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. At 23 years old , the world’s oldest Shih Tzu is still alive and well. Shih tzus have a long life span and often live up to 16 years. Origin: United States, Canada. If you’ve fallen in love with Shih Tzus, you’re probably wondering what is the Shih Tzu lifespan. 27), 2. Marnie – 18 Years. 1 years and the dog breed Akita has an average lifespan of 12) If you own a Rottweiler in The United States, then your dog’s 1 year equals your 8. Shih Tzu life expectancy typically ranges anywhere from 10 to 16 years. 4 years longer than a male counterpart. Longevity in dogs is partially determined by their breed. Keep Him Away from Being Obsessed. The Shih Tzu's life expectancy can vary but on average they live 10 to 18. Shih Tzu vs Maltese: Health ProblemsHere are some interesting facts about the Shih Tzu. On the other. 5 years longer than male dogs. This number, though. A Shih Tzu can live for an average of 13 years, but most live between 10 and 16 years. Life expectancy is 13-16 years or better; Sadly, dogs don't live as long as most humans, so we will most likely have to say goodbye to our beloved pets sooner than we would like to. The method developed by the Purdue University veterinarian researchers took into account the lifespan and size of Shih Tzu in converting Shih Tzu age to human age. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. 5 inches in height. The life expectancy of a Shih Tzu can be impacted by a wide range of factors, though. Experts agree, however, that the level of maturity a dog reaches in the first two years is similar to that of a 14-year-old human, but that is where the similarity ends. The Spruce / Kevin Norris. You’ve learned a lot about the Shih Tzu’s lifespan. The Zuchon has a similar life expectancy to that of its parent breeds, and you can expect to enjoy a good 10 to 16 years of furry companionship with your Shichon. A report in the Journal of Small Animal Practice states that the average lifespan of purebred Shih Tzu dogs is 13-19 years. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. In fact, your Shih Tzu's life span may even be cut short by one to three years!Average Lifespan for a Shih Tzu. 67 years on average without any exceptional circumstances. The average Shih Tzu lifespan is 10-18 years, and they are considered a healthy breed overall, though they can be prone to certain medical conditions. The shih tzu, a teddy bear come-to-life, could be by your side for quite a long time. At the age of 10, the dog would be 70 years old. The Maltese Shih Tzu is a small toy dog with a very thin frame. In truth, this breed can have a stubborn streak so it’s best to start training from 8 weeks old. Small breeds like the Chihuahua and Yorkshire Terrier live longer than medium-to-large breeds like the Labrador Retriever and Mastiff. Factors Influencing Shih Tzu Lifespan. From the wide range of health concerns to the breed’s long history, there’s a lot that affects a Shih Tzu’s life expectancy. can live longer than pups up to 100 lbs. Other long-living Shih Tzu’s are as follows: Teddy – 19 Years. Yorkie Shih Tzus can be prone to dental problems, hypoglycemia, and eye issues. Here are some tips to help you maximize your Shih Tzu’s lifespan: Average lifespan of a Shih Tzu. Instead of multiplication, we have to check the dog’s weight, breed, and health status. Shih tzus are known for being affectionate and playful. In regard to canines, a 13-year lifespan is considered fairly average, especially when you realize that 13 dog years is equal to 67 human years. There is always a potential in every. Their long coats need daily brushing or else require regular clipping. Size and Weight. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. The Shih Tzu Poodle Mix, also called the “Shihpoo” is a mixed breed with a lifespan typically between 13–16 years although some of these mixed dogs do live . The average lifespan of a shih-tzu is around thirteen years. This will include family genet…A Shih Tzu’s lifespan typically ranges from 10 to 18 years, and with proper care and attention, they can even surpass that. Average Life Expectancy. However, they can still suffer from several health issues that impact Shih Tzu life span. What is the life expectancy of a Shih Tzu? Typically, Shih Tzus have a lifespan of about 10–15 years if properly cared for and given the necessary veterinarian care to attend to any health. 17 years and 7 months is a decent lifespan for a bichon shih tzu, It wasn’t easy but they key was a vet who had a dog with canine cognitive dysfunction. Generally, dogs live for 12. Longevity in dogs is partially determined by their breed. 90: Brittany Lifespan: 12. Most Shih Tzu will live into their early teen years and are considered a senior dog between 9 and 10 years old. They have an attitude and can sometimes be moody. Importantly, the conversion for dog years to human years is directly based on human life expectancy. They are cheerful and friendly pups that love being around people and need human companionship to feel happy and well-adjusted. Instead of multiplication, we have to check the dog’s weight, breed, and health status. Shih tzu lifespan in human years – (Image Source: Pixabay. The average life expectancy for the Shih Tzu is between 10-18 years, but some of these pups have. He survived until he was 19 years, 4 months, and 10 days old. With a height of 8 to 11 inches and a weight of 9 to 16 pounds (or 4 to 7 kilograms), Shih Tzu are typically categorized as toys in most nations. we would like to. a 2-year-old Shih Tzu may be more likely to show signs of. The world’s oldest Shih Tzu, at 23 years old, is still healthy and. Shih tzu. Longevity in dogs is partially determined by their breed. On the other hand, dogs that weigh more than 90 pounds have an average lifespan of 8 years. Height: 51-61cm. liver, heart, and joints. What is the lifespan of a shih tzu-poodle mix? On average, a shih tzu-poodle mix will live 12 to 17 years. How old is a 13 year old Shih Tzu? The Age That a Shih Tzu Becomes a Senior With the Shih Tzu, the average life span is 13 years, though this can range from 12 years to 16 years; for this reason, Shih Tzu dogs are considered to be seniors by the 10 year mark. You can also learn to groom them at home. At the age of 10, the dog would be 70 years old. Shih Tzu Life Expectancy. The life expectancy of a Shih Poo is relatively long. If your shih tzu is 15 years old, she is equivalent to an adult who is 90. The. See also. How Long Do Shih Tzus Live? A Shih Tzu’s average lifespan is 13 years. 1 in 4 dogs will develop cancer sometime in their life, and 50% of dogs over the age of 10 will develop cancer. One Shih Tzu, named Smokey, enjoyed the Florida lifestyle for 23 years while. Owner: Shirley Braha. Not only do they get along well with kids, they can thrive in a variety of households and environments. Not only do they get along well with kids, they can thrive in a variety of households and environments. Due to his or her much shorter life span, your dog and you age at two widely different rates. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. However, genetics, environment, care, and diet can all have a. This is a pretty low estimate compared to other breeds of small dogs, which tend to live longer than large dogs or giant dogs. Weight: 18-29kg. With diligent care from responsible owners, Shih Tzus can live robustly into their late teens or even early 20s in some cases. Surprisingly, they often outlast the larger and seemingly sturdier dog breeds. However, it is crucial to note that this is only an estimate, as various factors can influence an individual dog’s longevity. Shih Tzus are one of the best small family dogs and you may be wondering how long these lovable canine companions can live. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Typically, female Shih Tzus tend to live a year to a year and a half longer than male Shih Tzus but the generalized average for both Shih Tzu genders,. The oldest recorded Shih Tzu lived to 23 years of age. Longevity in dogs is partially determined by their breed. The first year of a medium-sized dog's life is equal to 15 human years. The health of the Shih Tzu is relatively strong, but it is not foolproof either. The shih tzu lifespan ranges from 10-18 years. The longest living Shih Tzu recorded to date was 23 years old – named Smokey. So what’s the secret to. It only takes 60 seconds. Eye Problems Your shih tzu can inherit or develop a number of different eye conditions, including eyelashes that grow abnormally,The life expectancy of a Shih Tzu can vary depending on various factors such as genetics, overall health, diet, and care. The Shih Tzu Poodle Mix, also called the “Shihpoo” is a mixed breed with a lifespan typically between 13–16 years although some of these mixed dogs do live . Life span: 10–18 years, average is 12 years old: Kennel club standards; China Kennel Union: standard: Fédération Cynologique Internationale: standard:. The number of male to female Shih Tzu were almost equal, with just slightly more males (54%) than females (46%). The lifespan for a Shih Tzu dog typically ranges from between 10 to 16 years for both male and female pooches with an average lifespan of 13 years. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. The average purebred lives around 11 years. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Shih Tzus are a breed with generally good health. Smaller dogs tend to outlive larger ones in general. Rarely, infections and surgeries have been known to cause valve degeneration. Generally, the lifespan of the Lhasa Apso is from 12 to 15 years. Cross-breed dogs have a longer lifespan in comparison. In regard to canines, a 13-year lifespan is considered fairly average, especially when you realize that 13 dog years is equal to 67 human years. Instead of multiplication, we have to check the dog’s weight, breed, and health status. While Marnie wasn’t the oldest Shih Tzu ever, she is probably the most famous. Breeding. Despite its small size, the Shih Tzu needs daily exercise. The life expectancy at age 0 reported in the current study for dogs under primary veterinary care in the UK in 2016 was 11. There’s no fool-proof method for predicting exactly how long they can live, but current data suggests that Chihuahuas live an average of 15 to 20 years when properly cared for by a loving owner. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. For example, a Great Dane can gain 100 pounds from its day of birth to its first birthday, whereas a Shih Tzu can weigh up to 15 pounds in its entire lifespan. Friendly and adaptable shih tzus commonly live to 14 years or older. 151 in ”human years”) is the oldest dog in the world. The shih tzu can be by your side for almost two decades — here’s why. But they become “old dogs” at around 10 years old. Temperament: Intelligent, friendly, gentle. Shih tzu. A Shih Tzu's lifespan ranges from 10 - 16 years, with an average life span of 13 years. There are many elements that affect how much time your dog will be about, which we’ll discuss in this article. Shih tzus have one of the longer life expectancies compared to other dogs! As long as you're keeping up his annual vet visits and he's in good health, I don't see why he. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. Popular belief in real life would mean that the age of a 2 years old dog equals a 14 years old kid. Longevity in dogs is partially determined by their breed. 19–11. In Florida, a dog named Smokey who lived to be 23 years old is believed to be the oldest Shih Tzu still alive. They can normally live for anywhere between 10 to 18 years, although on average it is 13 years. Dog years are multiplied by seven to get a human age, as a dog lifespan is a seventh of a persons. Knowing how your shih tzu compares to humans in years gives you an. If we are to be precise: 11 years in dog years means 60 human years for small dog breeds. Loving. Other long-living Shih Tzu’s are as follows: Teddy – 19 Years. Longevity in dogs is partially determined by their breed. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. As a smaller breed, they have a longer life expectancy than larger dogs that mature at a faster rate. 12 to 14 years is about how long this breed typically lives. Since a Shih Tzu's life expectancy is an average of 13 years, you'll have lots of time to play and have fun with your new pup! The Shih Tzu Personality Is Good Around Other Dogs If you have other dogs, you'll generally find that Shih Tzus fit right in the household. Let’s explore what brings about this contrast. The life expectancy of a Shih Tzu. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. The Shih Tzu’s life span is somewhere in the middle. If you have a Shih Tzu and are curious about how long they will live, keep reading to learn all about the health issues that can affect a Shih Tzu’s lifespan as well as other relevant information. Some may not live as long as 12 years, and some may live longer. Drugs Aging. Median body weight was 6. It’s just an approximate range as some Shih Tzus live longer, and unfortunately, others fail to make it into their teens. 13 years is the typical age. He is currently the oldest Shih Tzu that we have both verified and documented. 45 years; German Shepherd Dog 10. The average lifespan is 13 years, but there are always exceptions. Shih Tzus are small dogs whose average life expectancy is 12–16 years. Longevity in dogs is partially determined by their breed. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. In other words, each year of a Bichon’s life equals a different number of human years, depending on how old she is. And although lifespans like this are rare, this story isn’t totally exceptional. 1. How long a Shih Tzu will live can range anywhere from 10 to 18 years, with an average lifespan of 13. human years — based on a smaller dog around 5–20 pounds:The average lifespan for large dog breeds is 8 to 12 years. Shih Tzu's are generally healthy and can live for a long time. It’s important to limit. liver, heart, and joints. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. 11 years in dog years means 65 human years for medium dog breeds. The life expectancy of a Shih Tzu can be impacted by a wide range of factors, though. In fact, the longest living Shih Tzu, aka Smokey (a native of St. TOP Founded in 1884, the not-for-profit AKC is the recognized and trusted expert in breed, health, and training information for all dogs. Height: It stands 8 to 11 inches tall but walks and runs in confident strides. Longevity in dogs is partially determined by their breed. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. However, there are many other factors that also affect how long a dog will live such as diet, exercise, and whether or not they are spayed/neutered. The age of a pup in dog years to human years depends on the following: Breed.