Do Female Cats or Male Cats Live Longer?

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According to recent research, the average remaining life expectancy of cats after their first year is 11.7 years.

As reported by The Guardian, a group of researchers from the Royal Veterinary College (RVC) in the UK and Chung Hsing National University in Taiwan analyzed data from 7,936 cats registered with veterinarians in the UK that died between January 1, 2019, and March 31, 2021, to calculate their expected lifespans.

Expected Lifespan Chart of Some Popular Cat Breeds Based on Data from 7,936 Cats Registered with Veterinarians in the UK – (Source: VetCompass/Graphic: The Guardian)

Overall, the average remaining life expectancy of cats after their first year is 11.7 years. Female cats generally live longer (12.5 years) compared to male cats (11.2 years).

Among the breeds, the hairless Sphynx has the shortest lifespan, with an expected remaining life expectancy of only 6.7 years after the first year. This shorter lifespan is likely due to their higher risk of various health issues.

On the other hand, Burmese and Birman cats can live more than an additional 14 years; Siamese cats can live an additional 11.7 years, while Bengal cats can live an additional 8.5 years.

The research team found that mixed-breed cats (accounting for 88% of the cats) have a higher life expectancy than purebred cats. Mixed-breed cats have an average remaining life expectancy of 11.9 years after the first year compared to 10.4 years for purebred cats.

The study found that mixed-breed cats live longer than purebred cats.

Mr. Dan O’Neill, co-author of the study and a researcher at RVC, stated that the observed difference is significant. According to him, if cat owners want their cats to live a bit longer, the team now has evidence to suggest adopting a female, mixed-breed cat.

Additionally, cats that are not neutered have shorter lifespans, while those of average weight live longer than overweight or underweight cats.

Mr. O’Neill noted that the study provides cat lovers with a tool to understand and predict their cats’ future lifespan. This information is also important for future owners, charities, and veterinarians.

Furthermore, the research assists those who are considering the costs of expensive and painful medical care or surgeries for their cats.