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Hyperthyroidism affects approximately 10% of US cats over 10 years old, making it the most common endocrine disorder in senior cats
Source: PMC / Journal of Feline Medicine and Surgery (2024)
Source
Hyperthyroidism in Cats: What's causing this epidemicPMC / Journal of Feline Medicine and Surgery (2024)
Notes
Higher in Pacific Northwest and East Coast; less than 6% of cases under 10 years old. Source is peer-reviewed PMC article.
PMC / Journal of Feline Medicine and Surgery. (2024). Hyperthyroidism in Cats: What's causing this epidemic. As cited in Cat Cognition. https://catcognition.com/statistics/health/#us-cats-hyperthyroidism-prevalence
40% at 10+, 80% at 15+
Chronic kidney disease affects 40% (2 in 5) of cats over 10 years old, rising to 80% (4 in 5) of cats over 15
Cornell University College of Veterinary Medicine (2025)
40%
Only 40% of cat owners take their cats to the veterinarian annually, compared to 82% of dog owners
Hill's Pet Nutrition (2025)
57.3%
57.3% of cat owners visited a veterinary clinic in the past year
American Veterinary Medical Association (2025)
~60%
Only about 60% of pet microchips are registered, which can prevent lost pets from being returned home
American Veterinary Medical Association (2025)
