Cats can live up to 20 years. In fact, a cat's lifespan is generally related to its breed, genetics, living environment, and nutrition. When raising a kitten, it's essential to maintain a clean and tidy environment and regularly disinfect it. Never allow your kitten to come into contact with sick cats. Most importantly, you need to regularly deworm your kitten and vaccinate it.
Generally speaking, female cats live about two years longer on average than male cats, and indoor cats also live longer than stray kittens. The reason for this is obvious: domestic cats have no worries about food and water, and they are spayed or neutered at the appropriate age, so their lifespan will naturally be longer than that of stray cats.
