Felines are known to live long lives, but how many years is this on average. Find out the answer to this question and more in our completed guide. Discover the average lifespan of cats , factors influencing longevity like genetics, diet, and environment, plus tips to help your cat live longer. Learn more about your feline’s life expectancy and how to improve their health. Cats have co-mingled with humans for thousands of years. During that time, cats have ingrained themselves in our lives as well-loved and well-cared for pets and family members. As to how long cats live, that depends on many different factors, which we’ll go over in this article. The average lifespan for the average indoor cat is around 15 years, but this can vary from cat to cat . Outdoor cats , however, typically have a shorter lifespan , averaging around 5 to 7 years due to increased risks ... Learn about the average lifespan of cats and how to help your cat live longer with proper nutrition, preventive care, and lifestyle. Find out how breed, genetics, spay/neuter, and indoor vs. outdoor living affect your cat 's health and longevity.