How long do pet cats live?

What affects a cat's lifespan, the difference between life stages, and the everyday care that supports a longer, healthier life.

Grey cat resting on a cushioned window seat in a warm home

The short answer

Many pet cats live into their teens. Genetics matter, but environment, nutrition, preventive veterinary care and early attention to change all influence both lifespan and quality of life.

A single average cannot predict one cat’s future. Think in life stages instead: kitten, young adult, mature adult, senior and super senior.

Indoor, outdoor and individual risk

Indoor living reduces exposure to traffic, fights and some infectious diseases. Cats with outdoor access benefit from a considered risk assessment, identification, vaccination and a safe routine.

Enrichment matters too. Climbing, hiding, hunting-style play and predictable social contact help make indoor life satisfying.

Helping your cat age well

Keep a consistent record of weight, appetite, drinking, movement, toileting and behaviour. Small changes are often more useful than a generic age comparison.

Book routine veterinary checks at the frequency your vet recommends and seek prompt advice for unexplained weight loss, breathing difficulty, collapse, straining to urinate or a sudden major change.