The lifespan of dogs varies depending on a number of factors, including breed, size and general health. Here are some general data:

1. Small races
Small dogs, such as a poodle, shih tzu or pekinese, can live between 12 and 16 years and sometimes even more.
2. Intermediate races
Medium-sized dogs, such as a Boxer or Cocker Spaniel, usually live between 10 and 14 years.
3. Large races
Large dogs, such as Rottweilers or Greyhounds, usually live between 8 and 12 years.
4. Huge trunks
Giant dogs, such as a Great Dane or a Mastiff, can live between 6 and 10 years.

Other factors that can affect life expectancy:
Nutrition: A balanced and healthy diet can improve a dog's health.
Exercise: Regular exercise can improve general fitness and prevent health problems.
Regular veterinary check-ups: Preventive medical care can detect health problems early.
Medical history: Some of the genetic problems are more common in certain breeds.
All in all, the lifespan of dogs may vary so it is important to take care of their health over the years.

How many years does a house cat live?

The life expectancy of house cats varies depending on several factors, but generally house cats live longer than street cats. Here are some general data:

Life expectancy of domestic cats:
Domestic cats: usually live between 12 and 15 years. With good care, proper nutrition and regular medical treatments, there are cats that reach the age of 16-20 years and even more.
Factors that affect life expectancy:
Nutrition: A balanced and healthy diet helps maintain the cat's health.
Medical care: Regular visits to the vet can prevent health problems.
Exercise: Active cats are generally healthier.
Environment: Cats that live indoors are less exposed to dangers such as accidents or diseases.
Sterilization: Cats that are sterilized sometimes live longer, as they are less exposed to diseases and the chance of dangerous behaviors decreases.

Stray cats:
Street cats usually live less, between 3 and 7 years, due to harsh living conditions, diseases, accidents and exposure to dangers.