Cats are living longer than ever thanks to advances in veterinary medicine and better nutrition. Here's what determines how long your cat will live.
Average Cat Lifespan by Lifestyle
| Cat Type | Average Lifespan | Oldest Recorded |
|---|---|---|
| Indoor cat | 12–18 years | 38 years (Creme Puff, Austin TX) |
| Outdoor / free-roaming cat | 5–7 years | — |
| Indoor-outdoor cat | 10–15 years | — |
| Feral cat | 2–5 years | — |
Factors That Affect Lifespan
- Indoor vs. outdoor: The single biggest factor — indoor cats avoid cars, predators, disease, and harsh weather
- Spaying/neutering: Neutered cats typically live 1–3 years longer; it reduces cancer risk and roaming behavior
- Diet quality: High-protein, low-carbohydrate diets (close to natural feline diet) support longevity
- Veterinary care: Regular checkups catch diseases like kidney disease, hyperthyroidism, and diabetes early
- Breed: Some breeds (e.g. Siamese, Burmese) have longer lifespans; Persian and Bengal cats tend toward shorter
- Genetics and body weight: Obesity shortens cat lifespan significantly; maintain healthy weight
How to Help Your Cat Live Longer
- Keep cats indoors or in a secure outdoor enclosure (catio)
- Schedule annual vet visits; twice yearly for cats over 10
- Feed a quality high-protein diet; avoid overfeeding
- Keep up with vaccinations and parasite prevention
- Provide mental stimulation — boredom and stress shorten lives
- Spay or neuter before first heat if possible
In cat years, a 1-year-old cat is roughly equivalent to a 15-year-old human. After that, each cat year is approximately 4 human years.