The average lifespan of dogs is 10-13 years. However, there are many factors that can affect their lifespan, such as breed, size, genetics, and health care.
Some breeds of dogs, such as large and giant breeds, tend to have shorter lifespans than smaller breeds. For example, the average lifespan of a Great Dane is 7-10 years, while the average lifespan of a Chihuahua is 15-20 years.
Larger dogs also tend to have shorter lifespans than smaller dogs. This is because they are more prone to health problems, such as heart disease and cancer.
The genetics of a dog can also play a role in their lifespan. Some dogs are genetically predisposed to certain health problems, which can shorten their lifespan.
The quality of health care that a dog receives can also affect their lifespan. Dogs who receive regular veterinary care and preventive care, such as vaccinations and parasite control, tend to live longer.
Other factors that can affect a dog's lifespan include diet, exercise, and lifestyle. Dogs who eat a healthy diet, get regular exercise, and are not exposed to excessive stress tend to live longer.
While there is no way to guarantee how long a dog will live, there are things that you can do to help your dog live a long and healthy life.