Average life span of cat. However the average lifespan of a free roaming cat is less than 3 years whereas the lifespan of an indoor cat averages 15 to 18 years. If a cat resides indoors exclusively the typical lifespan ranges somewhere between 13 and 17 years according to the aspca. In the wild the average lifespan of a cat is anywhere from 2 to 16 years. Thats a pretty big gap.
Your cats lifespan is more likely to be affected by their diet lifestyle and whether or not they are on flea tick or heartworm meds like heartgard revolution for cats or advantage multi for cats. While a number of cat breeds are expected to live to be around 12 years of age others routinely make it into their 20s. Cat lifespan varies from breed to breed. A lot of factors go into how long a cat will live.
The life expectancy of a cat that is living indoors is typically about 169 years while the life expectancy of one living outdoors is 56 years. A house cat has a longer average lifespan of 12 to 18 years though its not uncommon for domestic kitties to live into. The lifespan always depends on the individual cat. The average lifespan of a cat is about 15 years so they often outlive most of our pet dogs.
Based on a survey of 10 reputable sites that discuss the average domestic cat the numbers are more inconsistent ranging from 10 to 20 years. The average domestic cat lifespan comes out to 151. Spayed and neutered cats live longer because they do not develop ovarian or testicular cancers. Many factors can play a role in determining how long your cat might live.
In one study of cat mortality the most frequent causes were trauma 122 renal disorder 121 non specific illness 112 neoplasia 108 and mass lesion disorders 102. While it is a sad fact that not every cat will make it to their second decade of life nevertheless a significant number of cats live well into their twenties in relatively good health and with a good standard of living.