The average lifespan of an American Shorthair cat is around 15-20 years, with some living well into their late teens and early twenties. This is a relatively long lifespan compared to other domestic cats and many other small mammals.

A number of factors can impact the lifespan of an American Shorthair cat, including genetics, diet, exercise, and overall health. Cats with good genetics and a strong immune system tend to live longer, as do cats that are fed a balanced diet and receive regular exercise.

In addition to diet and exercise, regular veterinary check-ups can help keep an American Shorthair cat healthy and extend its lifespan. This can include routine vaccinations, deworming, and flea/tick preventatives, as well as regular dental cleanings and check-ups for any underlying health conditions.

Owners can also help extend the lifespan of their American Shorthair cat by providing a safe and stimulating environment. This can include plenty of toys and playtime, as well as regular grooming to maintain their coat and skin health.

Overall, the lifespan of an American Shorthair cat can be greatly impacted by the care it receives from its owner. By providing proper nutrition, exercise, and veterinary care, owners can help ensure their American Shorthair cat lives a long and healthy life.

It’s important to remember that every cat is unique, and the lifespan of an American Shorthair cat can vary widely based on individual genetics and health factors. However, with proper care, many American Shorthair cats can live long and healthy lives well into their late teens and early twenties.