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Feline immunodeficiency virus (FIV) affects 2.5-5% of cats in North America
Source: Cornell University College of Veterinary Medicine (2025)
Source
Cornell Feline Health Center - Feline Immunodeficiency VirusCornell University College of Veterinary Medicine (2025)
Cornell University College of Veterinary Medicine. (2025). Cornell Feline Health Center - Feline Immunodeficiency Virus. As cited in Cat Cognition. https://catcognition.com/statistics/health/#us-cats-fiv-prevalence
~0.25% (1 in 400)
Diabetes mellitus affects approximately 0.25% of cats (1 in 400), with 82% of diabetic cats being 7+ years old
PMC / JAVMA (2024)
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)
~10%
Hyperthyroidism affects approximately 10% of US cats over 10 years old, making it the most common endocrine disorder in senior cats
PMC / Journal of Feline Medicine and Surgery (2024)
10%
While most cats are exposed to feline coronavirus, only 10% of cases mutate into the fatal FIP (feline infectious peritonitis)
Cornell University College of Veterinary Medicine (2025)
