In the wild, the average lifespan of a cat is anywhere from 2 to 16 years. A house cat has a longer average lifespan of 12 to 18 years , though it's not uncommon for domestic kitties to live into...What age is a cat considered an adult?
On average, the earliest a kitten should be considered an Adult cat is at 1 year old.What is the average age for an indoor cat?
Indoor cats may live between 12 and 15 years of average. However, the record age of an indoors cat is 25. This is the official record cat age that appears in the Guinness book of records, however, unofficially, some say that the record age is close to 36 years.