Cat lifespan

Cat Lifespan – How Long Do Cats Live?

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How long do cats live?

  • Indoor cats – 9 to 15 years
  • Outdoor cats – 4 to 5 years

Statistics indicate that the lifespan of an indoor cat is much longer than an outdoor cat.  Outdoor cats are at higher risk of disease, car accidents and injury or death from predators.

Indoor cats live on average between 9 – 15 years, which in human terms is between 53 and 77 years of age. However, some cats can live beyond that. Siamese cats, in particular, are known for their longevity, and it is not uncommon for them to live into their 20’s.

Increasing longevity in cats

How long do cats live?

Many factors play a part in determining how long a cat will live. Genetics play a role of course. Other factors include:

  • Nutrition: Feed your cat a good quality, well-balanced diet according to its age.
  • Keep up to date with vaccinations. Low-risk cats should be vaccinated every 1 – 3 years.
  • Keep your cat healthy that includes regular treatment for parasites such as worms and fleas. Regular veterinary check-ups (at least once a year) are vital to check the health of your cat and pick up diseases and health issues early.
  • Dental care: Unhealthy teeth and gums have a more significant impact on the body than just causing bad breath, pain, and infection. As the gums have a rich blood supply, bacteria is readily transported to other organs (such as the liver, kidneys etc.) in the body causing damage and even organ failure.

What is the world’s longest living cat?

The average life expectancy of an indoor cat is between 9 to 15 years.

According to the Guinness Book of Records, the oldest living cat is Corduroy or Oregon who was born in August 1989.

Signs of ageing in cats

Your cat may become less playful as he ages and spend more time sleeping.

Weight loss is quite common in older cats; this should never be put down to just aging; there is always a cause of weight loss, which should be investigated. Common causes include diabetes, hyperthyroidism, kidney disease and cancer, which are all common diseases which can affect middle-aged to older cats.

Arthritis is a common disease which can creep up on older cats which occurs when the joints degenerate. Symptoms include limping, reluctance to put weight on one leg, stiffness, particularly when waking and reluctance to jump.

Oldest cat ever

The oldest cat was Creme Puff of Austin Texas. Born on August 3rd, 1967, Creme Puff passed away in August 2005 at the age of 38 years.

Also deserving mention is Puss, who was born in 1903. Puss was owned by Mrs T. Holway of Devon. Puss passed away on 29th November 1939, one day after his 36th birthday.

The second is Granpa who lived to the ripe old age of 34. Granpa Rexs Allen (Granpa for short) was a Sphynx adopted from the Humane Society in Texas.

How old is my cat in human years?

Age of catHuman equivalent
6 months10 years
12 months15 years
2 years25 years
3 years29 years
4 years33 years
5 years37 years
6 years41 years
7 years45 years
8 years49 years
9 years53 years
10 years57 years
11 years61 years
12 years65 years
13 years69 years
14 years73 years
15 years77 years
16 years81 years
17 years85 years
18 years89 years
19 years93 years
20 years97 years
21 years101 years
22 years105 years
23 years109 years
24 years113 years
25 years117 years
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