According to the documented World Records, the world’s oldest living Shih Tzu was 23 years old. 0 years. If we are to be precise: 11 years in dog years means 60 human years for small dog breeds. Your 5 years 2 months old Shih Tzu is 38 years old in human years and is considered as a Young Adult 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. According to the AKC, the average size of a healthy adult Shih Tzu is between 9 and 10. Little Shih Tzu dogs typically live to be 14 or 15 years old and are fairly hardy creatures. Known for their flowing coats and cheerful personalities, Shih Tzus make devoted small companions. On average, a Shih Tzu will live for around 13 years. A well-cared-for Shih Tzu can live an active and healthy life for many years, and proper. Generally, it is noted that female Shih Tzu dogs live around 1. Beagles are hound dogs originally bred to hunt down hares. 10-16 years Shih Tzu; Lifespan: 14-16 years Havanese; Lifespan: 12-15 years Lhasa Apso. 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 fact, your Shih Tzu's life span may even be cut short by one to three years!The life expectancy of a maltese dog is 14–16 years. On average, a Shih Tzu. The Toy Poodle, which is regarded as the curliest dog breed in the world, has a lifespan of roughly 12 to 18 years. 85 years;. A Shih Tzu dog – famous for its distinct long-haired coat — will live to approximately 12 to 16 years. 1 years after accounting for that. Shih Tzus weigh 9 to 16 pounds. Life Expectancy. A dog’s second year of life equals 3-8 human years. 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. Out-Going. While many factors go into the average lifespan of a Shih Tzu, you can typically expect these dogs to live around 13 years. Here are some tips to help you maximize your Shih Tzu’s lifespan: Average lifespan of a Shih Tzu. 19–11. Their long coats need daily brushing or else require regular clipping. In reality, the average first 2 years of a dog equals 24 human years usually. ”. Shih Tzu dogs have a life expectancy ranging from 10 to 16 years, with the average age being 13 years. It only takes 60 seconds. See List of countries by life expectancy for more. 151 in ”human years”) is the oldest dog in the world. An aging Shih Tzu requires special care and has unique needs, including vet visits every 6 months. Importantly, the conversion for dog years to human years is directly based on human life expectancy. Factors Influencing Shih Tzu Lifespan. 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. A Shih Poo is the result of breeding a purebred Shih Tzu and a purebred Poodle. ”. 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’s life span is somewhere in the middle. For small dogs, multiply by 6. Longevity in dogs is partially determined by their breed. Rufus. Appropriateness of medications prescribed to elderly patients with advanced heart failure and limited life expectancy who died during hospitalization. The average lifespan can be anywhere from 12-16 years. You can expect your shih tzu to keep your lap warm for at least one. A Shih Tzu is considered a senior dog between 9 and 10 years of age. No one wants to see his best. In fact, while it’s not uncommon for a Shih Tzu to live to 16. Considerable life expectancy of 13 years for the Shih Tzu can be determined by keeping those figures in mind. 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. This information on median survival time being 2 years is referenced from this study of 180,000 insured dogs. This breed is sensitive to anesthesia, and French bulldog puppies must be delivered by Caesarean section. The life expectancy of a Shih Tzu can be. Four pros of Shih Tzus 1. However, this does not mean that they don. According to vets and pet experts alike, the Shih Tzu lifespan ranges between 11 to 16 years. 5kg to 8. Shih tzu lifespan in human years – (Image Source: Pixabay. The oldest living Shih Tzu as of 2021 is Tutsy. The second year of a dog equates to approximately nine human years - which makes a 2 year old dog equal to a 24 year old human (15+9=24). 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. How old is a 10 year old Shih Tzu in human years? 56. The life expectancy at age 0 reported in the current study for dogs under primary veterinary care in the UK in 2016 was 11. Smaller dogs tend to outlive larger ones in general. 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 just an approximate range as some Shih Tzus live longer, and unfortunately, others fail to make it into their teens. 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 following are some of the major factors that influence a Shih Tzu’s lifespan:An average life expectancy of a Shih Tzu is around 13-14 years. The oldest recorded Shih Tzu on record achieved an impressive age of 23 years, showcasing the potential for a longer life with proper care and genetics. 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. Life Expectancy: 10-18 years. 10. Havashu dog breed makes great companions. If we are to be precise: 11 years in dog years means 60 human years for small dog breeds. They are playful, energetic, and enjoy human company. The expenses of parenting a Shih Tzu. Of all Poodle mix breeds, the Shih Poo has one of the longest life expectancies at 12 to 17 years. 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. Great Dane: 7-10 Years. Longevity in dogs is partially determined by their breed. “Shih tzu are great family dogs. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. These dogs were bred to be companions and require short daily walks and playtime. How long your Shih Tzu lives to in human years will depend on multiple factors though. 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. This includes large breed dogs such as German Shepherds, Golden Retrievers, Labrador Retrievers, Rottweilers, and Doberman Pinschers, as. Speaking dog is learned from their mum and litter mates. But remember that all dogs are different. Learn about the dog's history, health facts, and temperament. 5 years longer than male dogs. Instead of multiplication, we have to check the dog’s weight, breed, and health status. 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. They have the longest lifespan of all Shih Poo sizes as they. 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 Breed Is More Than 1,000 Years Old. Due to his or her much shorter life span, your dog and you age at two widely different rates. 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 first breed on the list; the New Guinea Singing Dog is considered to be the rarest dog breed in the world. 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. 9-10. A Shih Tzu is considered to be a senior dog by the time they reach ten years of age. The Shih Tzu is a popular pet and a top contender as a show dog. Longevity in dogs is partially determined by their breed. The world’s oldest Shih Tzu lived for 23 years. Longevity in dogs is partially determined by their breed. 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. 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. On the other. For hybrid breeds like the Shih Tzu Poodle mix, life expectancy may vary depending on genetics but typically ranges from 12-16 years old overall. And then, each human year could be roughly 5 years for any 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 lifespan of a Shih Tzu is a range from 10 to 16 years, and the average lifespan is 13 years. Video of the Day. 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. How Long Do Shih Tzus Live? A Shih Tzu’s average lifespan is 13 years. - Ranked 20th most registered breed by the AKC for 2017. 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 has long silky hair and their double coat can be seen in various colors like gold. Dachshund. 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. 7 years, and English Bulldogs 7. As we discussed, their lifespan could be increased by a few years by taking care of your furbaby correctly and looking after the factors that affect their lifespan positively. Shih Tzu’s can be found in a wide variety of colors. When cared properly they easily reach the high end of that lifespan, which makes them. Pet parents may benefit from investing in pet insurance early in life. 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. Popular belief in real life would mean that the age of a 2 years old dog equals a 14 years old kid. This makes them the longest-living. 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 first year of a medium-sized dog's life is equal to 15 human years. Some may not live as long as 12 years, and some may live longer. When trauma is included, the average life expectancy drops to 11 years. com How old is my Shih Tzu in human years? The age of your Shih Tzu in human years. But there are Shih Tzus who die in their early years as well. The Oldest Shih Tzu in the World. According to the American Kennel Club (AKC), the average lifespan of Miniature Pinscher is around 12 to 16 years. 16 years; Boxer 10. Shih Tzu. 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. 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. Inbred dogs have a risk of carrying genes. Shih Tzus are one of the best small family dogs and you may be wondering how long these lovable canine companions can live. A Shih Tzu can live for an average of 13 years, but most live between 10 and 16 years. Popular belief in real life would mean that the age of a 2 years old dog equals a 14 years old kid. a 1-year-old Shih Tzu is 15 in human years; a 2-year-old Shih Tzu is 24 in human. With the Shih Apso, that can include joint issues including patellar luxation and hip dysplasia, kidney problems and bladder stones. The average life span of a Shih Tzu is about 10 to 18 years, according to the American Kennel Club (AKC). The world’s oldest Shih Tzu lived to be 23 years old — he was a Shih Tzu named Smokey from Florida. Because the breed tends to live long and love kids, it's a great pick for. Factors Influencing Shih Tzu Lifespan. There are even some breed representatives. Dachshund age in human years and dog 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. Longevity in dogs is partially determined by their breed. In fact, the longest living Shih Tzu, aka Smokey (a native of St. Shih Tzu’s life expectancy. 05 years; Cavalier King Charles Spaniel 10. It is surprisingly tough and can be a little stubborn. After that, each human year. 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 following list can provide you with a quick glance at the average lifespan of some popular dog breeds: Australian cattle dog: 12-16 Years. There are many variables. The Frenchie life span averages between 10 and 12 years. Marnie – 18 Years. Tzu as with many small breeds, usually live longer than larger dogs on average. 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’s a common misconception that one human year is equal to seven dog years. This can’t be 100% true. If you have any problems. Independent. COAT AND COLOR: Curly or wavy coat with black, black and white, and brown coloring. These dogs are native to Papua New Guinea and there are only about 100 of them estimated in the world. can live longer than pups up to 100 lbs. . liver, heart, and joints. The average longevity of a Shih Tzu is 13 years, with the majority lasting between 10 and 16 years. Shih Tzu : 10 to 16 years: Pug : 12 to 15. Here’s how long Shih Tzus can live in human years when they typically die and the oldest record of Shih Tzus. Many dogs with diabetes won’t actually die of diabetes, but each dog will need to be assessed on a case by case basis. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Caring for a Shih Tzu includes keeping them out of high heat and water (two things they don’t do well in). In fact, your shih tzu’s life span may be cut short by one to three years! We’ll clean your dog’s teeth regularly and let you know what you can do at home to keep those pearly whites clean. The shih tzu lifespan ranges from 10-18 years. Shih Tzu vs Maltese: Health ProblemsHere are some interesting facts about the 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. Beagle: 10-15 years. But, some live until their early-teens, some live until their mid-teens. Shih Tzus are cheerful, outgoing animals who were bred to sit in laps of luxury. 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. human years — based on a smaller dog around 5–20 pounds:On average, Shih Tzus have a lifespan of 10-16 years, with some living even longer. Dog BreedThe shih tzu–poodle, also known as a shih-poo, mix is a small, friendly mix that might be good for people with allergies. 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. You can also learn to groom them at home. Jack. As per AKC’s measuring metrics, a 16-year-old Shih Tzu would be as old as an 87-year-old human. According to the search results, the average life expectancy of a Shih Tzu is around 10 to 16. Genetics . The average Shih Poo lifespan is around 13 to 17 years. The life expectancy of a Shih Tzu can be impacted by a wide range of factors, though. Longevity in dogs is partially determined by their breed. Like many small breeds, Chihuahuas age faster during their puppy stage. Some medical problems that this breed is predisposed to include: Obesity. To help your pup stay around longer, ensure it gets plenty of exercise, eats a nutritious diet, and regularly visits the veterinarian. 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. Alas, for some reason, life expectancy of Shih-Tzu is even lower. The average purebred lives around 11 years. The Average Lifespan of a Shih Tzu. Regular vet care, including biannual exams, is important for monitoring the health of Shih Tzus and enabling early detection of potential issues. So, it is also. 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 is a charming lap dog beloved for their small stature. That is why we have summarized the health concerns we will be discussing with you over the life of your 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. Healthy shih tzu dogs can live to be any age between 10 and 18, but have an average life span of 13 years. 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. 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 kg (range, 3. Feb 26, 2020 by Leo Roux. Shih Tzus have a life span of between 10 and 16 years, with the average length being 13 years. Cleo certainly got worse in the fall also but didn’t get worse daily near sunset as a human would. They love to be loved and give it back very easily,” says Dr. 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. Feb 26, 2020 by Leo Roux. Toy Shih Poos live for 10 to 12 years. Living with Shih Tzu. They love to be loved and give it back very. 04 years; Beagle 9. Beagles are small to medium hound dogs weighing around 20 pounds. Longevity in dogs is partially determined by their breed. Lifespan: Shih Tzu’s lifespan is 10 to 18 years, but its average life expectancy is around 12 years. Median body weight was 6. Shih tzu. And by 10 months of age, they are considered to be an adult. What is the lifespan of a shih tzu-poodle mix? On average, a shih tzu-poodle mix will live 12 to 17 years. Longevity in dogs is partially determined by their breed. They are also known by various nicknames including “teddy bear dog” and “toy dog. How Old Is a 13 Year Old Shih Tzu in Human Years? A 13-year-old Shih Tzu is 68 years old in human 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. Lifespan. 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. 9K. How Long Do Shih Tzus Live? A Shih Tzu’s average lifespan is 13 years. Loving. But it can live up to 16 years and beyond. The life expectancy of a Maltese Shih Tzu is around 10 to 16 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. However, genetics, environment, care, and diet can all have a significant impact on your dog's longevity. 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 was a study conducted that showed that dogs weighing 20 pounds below can live around 11 years which is similar to medium-sized dogs. On average, Shih Tzus have a lifespan of 10 to 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. Responsible breeding and genetic testing, a high-quality diet, and regular vet check-ups are essential for keeping your Shih Tzu healthy and happy. 11 years in dog years means 65 human years for medium dog breeds. Longevity in dogs is partially determined by their breed. Revered in Tibet, the Shih Tzu made its way onto the laps of royalty in Imperial China. Below is a breakdown of the age of a Shihpoo in dog years vs. In truth, this breed can have a stubborn streak so it’s best to start training from 8 weeks old. 19–11. 4 ± 1. So if you have children, then you can expect your four-legged to be with them for a majority of their childhood and adolescence. On average, Shih Tzus weigh 10. The average life span of a Shih Tzu is 10 to 16 years, making them a relatively long-lived breed of a small dog. Exercise needs: Moderate. The shih tzu, a teddy bear come-to-life, could be by your side for quite a long time. 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 Physical Characteristics . If a Shih Tzu has certain health issues,. Even longer than that. There is the. 11 years in dog years means 72 human years for large and giant dog breeds. However, most live between 10 and 16. A living teddy bear, the shih tzu could spend a considerable amount of time by your side. Some of them are so small that they almost qualify for teacup status (literally a dog that can fit inside of a teacup). 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 yorkshire terriers or “yorkies’ ‘, their life span expectancy is approximately the same. Throughout this guide, we have discussed several key points related to the lifespan of Shih Tzu Yorkie mixes. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Let’s explore what brings about this contrast. Yorkshire Terrier: 11-15 Years. 8 years. It’s important to limit. 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 years more than their male counterparts. Origin: North America. We call it sundowning in Alzheimer’s patients. The life expectancy of a Shih Tzu can be impacted by a wide range of factors, though. However, some will live longer, and some, tragically, won’t even make it to a full decade. Maltese Shih Tzu is a crossbreed that was first developed in the early 1990s. The oldest Shih Tzu lived to 23 years old. The following are some of the major factors that influence a Shih Tzu’s lifespan: An average life expectancy of a Shih Tzu is around 13-14 years. The shih tzu is a small, affectionate dog known for their feisty personalities. Longevity in dogs is partially determined by their breed. How old is a Shih Tzu in human years? As a general guideline, though, the American Veterinary Medical. In Florida, a dog named Smokey who lived to be 23 years old is believed to be the oldest Shih Tzu still alive. But they become “old dogs” at around 10 years old. Shih Tzu puppies are so small and fluffy that their cuteness often tricks owners into thinking they can delay training. There will always be exceptions to this approximate statement. She's also a registered veterinary technician with over 20 years of expertise in the field of veterinary medicine. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. 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. 151 in ”human years”) is the oldest dog in the world. Female dogs are considered to live 1. 5 inches; Weight Range. Most Shih Tzu will live into their early teen years and are considered a senior dog between 9 and 10 years old. A Shih Tzu's lifespan ranges from 10 - 16 years, with an average life span of 13 years. Despite this. Shih Tzus weigh 9 to 16 pounds. The oldest recorded Shih Tzu lived up to 23 years of age. The Shih Tzu can live anywhere between 10 to 16 years of age, but Maltese live even longer with an average of 16. The age is reduced to 11. The oldest recorded Shih Tzu lived to 23 years of age. 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. 67 years on average without any exceptional circumstances. Shih tzus are known for being affectionate and playful. Shih Tzu life expectancy typically ranges anywhere from 10 to 16 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. It is affectionate to its family and good with children. Toy poodles are generally smart and. 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. The life expectancy of your shih tzu can depend on many factors, including their genetics and health. Some Shih Tzu even live into their mid-teens, and many do live into their early teens. Shih tzus are known for being affectionate and playful. You might. Shih Tzus live from 11 to 16 years, with females expected to live an average 1. Here. Get all the information about this breed in our complete Shih Tzu guide. One of the most important factors that can affect a Shih Tzu’s life expectancy is genetics. Longevity in dogs is partially determined by their breed. 05 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. The average lifespan of the Shih Tzu is 13. Longevity in dogs is partially determined by their breed. The world’s oldest Shih Tzu, at 23 years old, is still healthy and. For example, a Rottweiler typically has a lifespan of 8-10 years while a Shih Tzu typically has a lifespan of 12-15 years. Purple Collar Pet Photography // Getty Images. In the United States, canines on average live 12. Longevity in dogs is partially determined by their breed. If you want to try a. Though a toy breed, he is sturdy at 9 to 16 pounds, making him easy to own in a variety of household settings. Shih tzu dogs can live for 10 to 18 years. Here are some simple but very effective ways to extend your cute buddy’s life. See full list on doggysaurus. The average age of Shih Tzu is approximately 13 years, while their life expectancy ranges between 10 to 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. Quote; 1800 668 502;. 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. Although many factors can affect the longevity of the Shih Tzu lifespan, it can still live up to 16 years. The lifespan of one of these dogs is roughly between 10 and 16 years, with the average lying at around 13 years. 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. Shih Tzus are a breed with generally good health. Maltese dogs are expected to live as long as 12-15 years with an average age of living up until 13. The average lifespan of the Shih Tzu dog breed is 13 years, but most of these dogs have longevity that lasts between 10 to 16 years. Size and Weight. There are various factors that can influence the lifespan of a Shih Tzu. 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. Other long-living Shih Tzu’s are as follows: Teddy – 19 Years. Shih Tzu Information Center. Tips for prolonging your Shih Tzu’s life. But just like human. Immediate veterinarian care will help your Shih Tzu’s life span reach his golden years as a senior citizen. It pays off to be aware of your Shih Tzu's feelings and demonstrate extra love and understanding to ensure a pleasant experience for everyone involved.