What is the lifespan of a domesticated housecat? Well, that’s a rather troublesome question to answer. The age of a domesticated cat depends on a variety of differing factors. Therefore, it varies significantly from cat to cat. However, Cat World is in a position to supply North American country with an honest basis of information on the period of the common cat. Also, take care to ascertain out however long do cats live, betting on whether or not they’re indoor or outdoor!