However, their long life expectancy comes with a tradeoff: Shih Tzus are prone to health issues like obesity and respiratory, knee, and dental problems. Dachshund. The first breed on the list; the New Guinea Singing Dog is considered to be the rarest dog breed in the world. Hypoallergenic: Yes. Unfortunately, your dog could also be the victim of a traffic. These dogs were bred to be companions and require short daily walks and playtime. However, there are several factors that can affect a Shih Tzu’s life expectancy. A Shih Tzu dog – famous for its distinct long-haired coat — will live to approximately 12 to 16 years. This is an approximation and there are always exceptions. 5 years longer than male dogs. photo source: The New York Times. Cleo certainly got worse in the fall also but didn’t get worse daily near sunset as a human would. Thankfully, many canine breeds, including the Shih Tzu/Poodle mix, have a tendency to lead long, happy lives. 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. Usually small dogs will outlive larger dogs. Life Expectancy. 5kg to 8. These dogs are native to Papua New Guinea and there are only about 100 of them estimated in the world. Shih Tzus are generally healthy dogs. How long a Shih Tzu will live can range anywhere from 10 to 18 years, with an average lifespan of 13. Longevity in dogs is partially determined by their breed. Other long-living Shih Tzu’s are as follows: Teddy – 19 Years. 80: Norwegian Buhund Lifespan:. 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. Knowing how your shih tzu compares to humans in years gives you an. If you want to try a. 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. In fact, the oldest documented Shih Tzu was 23 years old. Marnie (October 26, 2001 – March 5, 2020) Oldest Age Reached: 18 years, 4 months, 10 days in 2019. a 1-year-old Shih Tzu is 15 in human years; a 2-year-old Shih Tzu is 24 in human. 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. This means that 11 years in a human's life would be equivalent to around 66 years in a dog's life. The Oldest Shih Tzu in the World. The shih tzu, a teddy bear come-to-life, could be by your side for quite a long time. Shih Tzu Food Recommendations. Conclusion on Chihuahua Life Expectancy. The average is 13 years. It is affectionate to its family and good with children. Longevity in dogs is partially determined by their breed. The ages of the Shih Tzu were 40% young adult (1 to 3-years-old), 34% adult (4 to 8-years-old), 13% puppy (under 1-year-old), and 12% senior (9+ years). The oldest lifespan of a Shih Tzu was recorded as 23 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. 4 years longer than a male counterpart. For small dogs, multiply by 6. Here are some tips to help you maximize your Shih Tzu’s lifespan: Average lifespan of a Shih Tzu. This puppy dream of many dog lovers, the Shih -Tzu, when it is raised and healthy, lives between 10 to 15 years. Marnie – 18 Years. It only takes 60 seconds. There are many variables. 9-16 pounds; Coat Details Type. The UK Kennel Club survey puts the median lifespan of a Shih Tzu at 10 to 16 years. com). For most small dogs, including the Shih Tzu, the average life span is approximately 15 --16 years. Coat Type/Length. Of all Poodle mix breeds, the Shih Poo has one of the longest life expectancies at 12 to 17 years. Petersburg, Russia), lived to. 0 years. Shiba Inus are small-sized dogs. Shih Tzu Poodle Mix, also known as the “Shihpoo,” is a mixed breed with a life expectancy that ranges from 13 to 16 years on average, though some of these dogs do live longer! How long a Shihpoo lives depends on a variety of. The obvious question that comes after. He is friendly, outgoing, amusing, clever, and often bonds tightly with his humans. Unfortunately, Frenchies are prone to many serious health issues that can shorten the. Caring for a Shih Tzu includes keeping them out of high heat and water (two things they don’t do well in). The first breed on the list; the New Guinea Singing Dog is considered to be the rarest dog breed in the world. It's thought the oldest living Shih Tzu was a dog from Florida called Smokey who lived to be 23-years-old. 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. Lifespan: Shih Tzu’s lifespan is 10 to 18 years, but its average life expectancy is around 12 years. On the other hand, the Shih Tzu got bred in royalty as a lap dog companion and a gift to noblemen in ancient China and Tibet. Expect to brush them 2 to 3 times a week to prevent mats and knots and bath them every 1 to 2 weeks. It is a relatively small dog, measuring between 9 and 12 inches and weighing between 9 and 15 pounds. This is a wide-ranging age, and 18 years is an incredibly long lifespan for a canine. The average lifespan of a Shih Tzu is between 10 and 18 years. You might. Once that is factored in, the age drops to 11. These dogs are native to Papua New Guinea and there are only about 100 of them estimated in the world. 13 years is the typical age. But, some live until their early-teens, some live until their mid-teens. Instead of multiplication, we have to check the dog’s weight, breed, and health status. The first breed on the list; the New Guinea Singing Dog is considered to be the rarest dog breed in the world. COAT AND COLOR: Curly or wavy coat with black, black and white, and brown coloring. A Shih Tzu is considered to be 15 years old when it is one year old, 24 years old when it is two years old, and 4 more years old when it is three years old. 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. Shih Tzus are small dogs whose average life expectancy is 12–16 years. The dog would have lived for 12 to 16 years if the average expected lifespan were converted to human years, which is between 50 and 80 years. heart, and joints. The lifespan of a Shih Tzu is a range from 10 to 16 years, and the average lifespan is 13 years. Longevity in dogs is partially determined by their breed. Cross-breed dogs have a longer lifespan in comparison. According to the documented World Records, the world’s oldest living Shih Tzu was 23 years old. With diligent care from responsible owners, Shih Tzus can live robustly into their late teens or even early 20s in. 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. Since Shih Tzu’s are a breed that are generally healthy and have minimal hereditary issues compared to other dogs, life expectancy of Shih Tzus can reach up to 16 years. After that every human year equals approximately five dog years. Dog Group: Sporting Size: 20-25 inches tall, 55-75 lbs Lifespan: 12-13 years Energy Level: Very High Coat: Long, thick, and silky Shedding: Heavy Hypoallergenic. The average life span of a Shih Tzu is 10 to 16 years, making them a relatively long-lived breed of a small dog. 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 average life expectancy of a Shih Tzu is between 11 and 14 years. Toy Shih Poos live for 10 to 12 years. The health of the Shih Tzu is relatively strong, but it is not foolproof either. 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. The average lifespan of a Shih Tzu is 13 years, although some can live even longer. However, there are many different factors that can affect a Shih Tzu's life expectancy. 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. The shih tzu, a teddy bear come-to-life, could be by your side for quite a long time. Of course, there are always those dogs that significantly outlive their expected life span. They thrive on human company and can easily become spoiled. So these dogs are among the longer living dog breeds. 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. 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. 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 lifespan of one of these dogs is roughly between 10 and 16 years, with the average lying at around 13 years. 67 years, when death by trauma is removed from the equation. Great Dane: 7-10 Years. Keep Him Away from Being Obsessed. Yorkie Shih Tzus, also known as Shorkies, typically have a lifespan of 11 to 16 years. Scottish Collies are known to live between 12 and 16 years old. It’s important to limit. There are many elements that affect how much time your dog will be about, which we’ll discuss in this article. Shichon, also referred to as Zuchon or Shih Tzu-Bichon Mix, is a purebred Shih Tzu and purebred Bichon Frise mix. As per AKC’s measuring metrics, a 16-year-old Shih Tzu would be as old as an 87-year-old human. On average, a Shih Tzu. Maltese Shih Tzu life span. The Breed Is More Than 1,000 Years Old. According to Guinness World Records, Bluey, who lived 29 years, and 5 months (approx. Training. Some Shih Tzu puppies will stop growing by the age of 9, 10 or 11-months old. Teething is complete for most pups. Many dogs with diabetes won’t actually die of diabetes, but each dog will need to be assessed on a case by case basis. At the age of 10, the dog would be 70 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. Top; Are; Can; How;. The shih tzu tends to require a large amount of personal attention each day. Four pros of Shih Tzus 1. The typical Toy Poodle lifespan is 10–18 years, and they’re a healthy breed overall. Longevity in dogs is partially determined by their breed. A Shih Tzu dog – famous for its distinct long-haired coat — will live to approximately 12 to 16 years. Shiba Inus weigh 17 to 23 pounds. A well-cared-for Shih Tzu can live an active. The life expectancy of Shih Tzus is determined by their diet, exercise routine, veterinary care, lifetime care, and genetics. Shih Tzus weigh between 9 to 16 pounds and their height usually ranges from 8 to 11 inches. Longevity in dogs is partially determined by their breed. There are many elements that affect how much time your dog will be about, which we’ll discuss in this article. This breed sheds a moderate amount and needs daily brushing to keep their luxurious coats in top condition. For example, by the time a Bichon Frise puppy reaches her first birthday, she is about 15 years old in human 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. In general, a female Shih Tzu will live longer than a male by about 1. 04 years; Beagle 9. The world’s oldest Shih Tzu lived. 9 months old: Growth has noticeably slowed. A Shih Tzu can be perfectly content getting. The Shih Tzu is a generally healthy breed with an average lifespan of 13-15 years. If you own or want to call a little Shih Tzu your own, you are lucky, because the playful four-legged friend has a life expectancy of 10-16 years. But they become “old dogs” at around 10 years old. Loving. Longevity in dogs is partially determined by their breed. VCA Hospitals puts the average life span at 11 to 14 years. The average age of Shih Tzu is approximately 13 years, while their life expectancy ranges between 10 to 16 years. The average lifespan can be anywhere from 12-16 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. Inbred dogs have a risk of carrying genes. 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. Regular vet care, including biannual exams, is important for monitoring the health of Shih Tzus and enabling early detection of potential issues. The exact origins of the shih tzu as a Chinese royal house pet are hazy, with different dates offered over the past 1,100 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. Some people wonder how long this mixed breed will live in human 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. The life expectancy of a Shih Tzu can be impacted by a wide range of factors, though. 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. This makes them the longest-living. The method developed by the Purdue University veterinarian researchers took into account the lifespan and size of Shiba Inu in converting Shiba Inu age to human age. Usually small dogs will outlive larger dogs. To be more accurate: A 1-year-old puppy equals a 10-15 years old human. Life span: 12-15 years: Temperament: Affectionate. However, this is just an approximate range, and some Shih Tzus live well beyond this age, while others fail to make it into their teens before dying. There will always be exceptions to this approximate statement. A hybrid cute dog that doesn’t shed much. However,. 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. Video of the Day. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Again, keep in mind that. A dog's second year is equivalent to about nine years in a person's life. Your Shih Tzu's Health. How Long Do Shih Tzu Live: Average Life Expectancy. Double/Long. One of the questions we asked was, "What was the biggest challenge you’ve had. The average lifespan for large dog breeds is 8 to 12 years. Thus, it is normal for a Shih Tzu to begin to age from seven, eight, or nine years. For yorkshire terriers or “yorkies’ ‘, their life span expectancy is approximately the same. The Shih Tzu is said to live between 12 and 16 years, although this is only a rough guide. After that, each human year. LIFE SPAN: 10 to 16 years. The life expectancy of a Shih Tzu. The shih tzu can be by your side for almost two decades — here’s why. However, some will live longer, and some, tragically, won’t even make it to a full decade. It's thought the oldest living Shih Tzu was a dog from Florida called Smokey who lived to be 23-years-old. Some even live 18 years. According to Guinness World Records, Bluey, who lived 29 years, and 5 months (approx. A medium-sized dog's first year of life is equivalent to 15 human years. Despite this. Longevity in dogs is partially determined by their breed. On average, Shih Tzus weigh 10. 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 truth, this breed can have a stubborn streak so it’s best to start training from 8 weeks old. Longevity in dogs is partially determined by their breed. Longevity in dogs is partially determined by their breed. How to use the dog years calculator? Select a breed, enter your dog’s age, click on the calculate, and the dog years to human years converter calculates the result. There was a study conducted that showed that dogs weighing 20 pounds below can live around 11 years which is similar to medium-sized dogs. 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. owners need to distinguish which human food is safe for dogs and which are not. Shih Tzus are loved for their long and fluffy coat but that’s also the only (somewhat) hard-to-manage thing for seniors. Shih tzu. Much the. And although lifespans like this are rare, this story isn’t totally exceptional. The oldest documented Shih Tzu was 23 years old. Get all the information about this breed in our complete Shih Tzu guide. Longevity in dogs is partially determined by their breed. A Shih Tzu’s lifespan typically ranges from 10 to 18 years, and with proper care and attention, they can even surpass that. As of today, the title of the oldest living Shih Tzu belongs to Tutsy, a remarkable canine born in September 2003 in Liverpool, England. However, the Shih. It is a cross between the Maltese and the Shih Tzu. 4 years. The average shih tzu lifespan range is longer than that of most toy breeds and larger dogs. 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. Breeding. 9 kg) and median body. 11 years in dog years means 65 human years for medium dog breeds. Healthy shih tzu dogs can live to be any age between 10 and 18, but have an average life span of 13 years. 10-18 years. 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. Feb 26, 2020 by Leo Roux. Popular belief in real life would mean that the age of a 2 years old dog equals a 14 years old kid. However, like all breeds, there are certain health concerns that can affect their longevity. Shih Tzu. The average lifespan of a shih tzu is 13 years. How old is a 10 year old Shih Tzu in human years? 56. 4 years. This can’t be 100% true. Some may not live as long as 12 years, and some may live longer. In general, a female Shih Tzu will live longer than a male by about 1. After living through teen years, these dogs reach the senior age of around 9 to 10 years. Shih Tzu : 10 to 16 years: Pug : 12 to 15. In this article, we’ll explore how to keep your shih tzu healthy and happy for as long as possible. 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. Their hyper attitude fades away gradually with age. Your 5 years 2 months old Shih Tzu is 38 years old in human years and is considered as a Young Adult dog. Learn about its personality, appearance, health, and care. Longevity in dogs is partially determined by their breed. Longevity in dogs is partially determined by their breed. This can’t be 100% true. This is because after two years, your Shih Tzu will have plenty of energy to burn off, and it will begin to calm down gradually. 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. Cancer is the leading cause of death for all dog breeds. A female Shih Tzu can live 1. TEMPERAMENT: Friendly, intelligent, playful, alert, loyal, lively. 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. Shih Tzu life expectancy typically ranges anywhere from 10 to 16 years. The Shih-Tzu inherits the stubborn personality of Shih Tzu. 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,. They love to be loved and give it back very. Longevity in dogs is partially determined by their breed. The old rule of each year of a dog’s life is equivalent on seven years for human is not completely accurate. 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 tzu are great family dogs. Jack Russell Terrier: 12-14 Years. The average life expectancy of these dogs is about 14 years. Not only do they get along well with kids, they can thrive in a variety of households and environments. The average lifespan of the Shih Tzu is 13. 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. However, some will live longer, and some, tragically, won’t even make it to a full decade. Bernese Mountain dog: 7-10 Years. How Long Do Shih Tzus Live? A Shih Tzu’s average lifespan is 13 years. Like other dog breeds, Shih Tzu dogs can have various illnesses. 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 known for being affectionate and playful. The Shih Tzu is a generally healthy breed with an average lifespan of 13-15 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. Shih tzus are known for being affectionate and playful. It's thought the oldest living Shih Tzu was a dog from. 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 world’s oldest Shih Tzu lived for 23 years. Learn about the dog's history, health facts, and temperament. Keep training sessions short – around five to ten minutes – to stop your pup getting bored. 1kg. How Long Do Chihuahuas Live in Human Years? The average lifespan of the Chihuahua is 12. Toy poodles are generally smart and. The average lifespan for a Shih Tzu is 10-16 years. And by 10 months of age, they are considered to be an adult. 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. 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. Weight: 18-29kg. a 1-year-old Shih Tzu is 15 in human years; a 2-year-old Shih Tzu is 24 in human. Longevity in dogs is partially determined by their breed. He is currently the oldest Shih Tzu that we have both verified and documented. Shih Tzus have a lifespan of 10 to 16 years, with the average being around 13 years — which is longer than many other breeds. Some Shih Tzu even live into their mid-teens, and many do live into their early teens. 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 Yorkie is between 12 and 15 years. The shih tzu has an above-average life span of around 14 to 16 years, according to the Continental Kennel Club, so with good health care, your shih tzu will be your buddy for some time. A general way to calculate the comparison of age to humans is to multiply a larger dog's age by 8. Shih Tzus live from 11 to 16 years, with females expected to live an average 1. Despite its small size, the Shih Tzu needs daily exercise. Let’s explore what brings about this contrast. What Is the Shih Tzu Life Span? A: The average longevity of a Shih Tzu is 13 years, with the majority lasting between 10 and 16 years. For example, in 2011 Japan had an overall life expectancy of 83 years and Sierra Leone had a life expectancy of 47. Today, as a general rule, the American Veterinary Medical Association states: The first year of a medium-sized dog equals around 15 human years. 1–65. Shih Tzu are classified in the toy group in most countries, with a height of eight to 11 inches and weight of nine to. Shih Tzus have a life expectancy of 13 years on average, though this can vary from 12 to 16 years. At 23 years old, the world’s oldest Shih Tzu is still alive and well. The average longevity of a Shih Tzu is 13 years, with the majority lasting between 10 and 16 years. They love to be loved and give it back very. 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. 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. Country of Origin: New York City, New York, USA. 9 months old: Growth has noticeably slowed. 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. Beagles are hound dogs originally bred to hunt down hares. 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, most live between 10 and 16. How old is the oldest living Shih Tzu? The oldest known Shih Tzu was Smokey, who made it to the ripe old age of 23 years old. Therefore, you need to make sure there’s. But during this long life, they are predisposed to a few health issues that may require care. Shih Tzus have a life span of ten to eighteen 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. Shih Tzu Life Span. (Average human life expectancy in Japan is 83. For others, there will be a small gain from now until 12 to 15-months. 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 life expectancy at age 0 reported in the current study for dogs under primary veterinary care in the UK in 2016 was 11. With the Shih Tzu, the average life span is 13 years, though this can range from 12 years to 16 years;. The shih tzu is a small, affectionate dog known for their feisty personalities. However, small dogs like the Shih Tzu generally live longer than larger ones. Answer by Art Y Toy and small breed dogs live longer than medium or large breed dogs. A 2-year-old Pekingese may age only 4 years in a single human year, whereas a Great Dane may age 9. 5 kg (range, 3. ”. Then the ration gradually slows down to 1:5. Take them out for. 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. Maltese Shih Tzu is a crossbreed that was first developed in the early 1990s. 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. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. 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. The Shih Tzu has a life expectancy of 10 to 18 years and can be susceptible to a range of health issues. The average life expectancy, according to the Great Dane Club of America, is about 7–10 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. Some even live 18 years. Remember, these numbers are. Shih Tzus are tiny-sized dogs. The Bichon Frise has an average life expectancy of 12 to 15 years, while the Shih Tzu’s is 10 to 16. 1 years. A Shih Tzu is considered to be a senior dog by the time they reach ten years of age. Nonetheless, lifestyle and environment also contribute to a long and healthy life. The life expectancy of a Shih Tzu can be impacted by a wide range of factors, though. They are a mix of the Maltese and Shih Tzu breeds and typically weigh between eight and twelve pounds.