When you look at the current research on spaying and neutering, the AGE at which it's done turns out to be vitally important to your dog's future health. For example, your female dog should NOT be spayed at 6 months old.
Life Expectancy of Dogs and Cats. We hope our pets will be a part of our lives for many, many years but the fact is that the average life expectancy is 10-12 years for dogs and 10-14 years for cats. Older pets have very specific needs and are particularly susceptible in later years to cancer, arthritis, and dental disease.
Rating Newest Oldest. Best Answer: 14 is the average age of a cat though many live 20+ years. Cats that die earlier than 14 or 15 years of age usually have physical issues like obesity, liver or kidney problems, etc. If your cat is in good health you should expect 18-22 years. Source(s):