What age does a cat die?

The average age for a cat's life is 15 - 17 years. However, I had a pet cat that lived to be 20 years old and I have a friend whose cat is 23 years old and is still in good health. It often depends on the genetics of the cat and what health problems they may have.Also mines is 15 years old in human years also here is a chart for you.  more