The Border Terrier is a small breed with a median lifespan of 14.2 years, which places it among the longest-lived third of the 155 breeds we rank for longevity. Commonly reported health conditions include CECS (cramping syndrome), Patellar luxation, Progressive retinal atrophy, Heart murmurs. Its overall Breed Health Score is 90/100 (grade A), against an average of 71/100 across all breeds.
Score breakdown
Higher is healthier. See methodology.
Common & hereditary conditions
Red marks a life-threatening or major-welfare condition. Click a condition to see which breeds it affects. This list reflects commonly reported conditions, so better-studied breeds may show more; hereditary burden is the lightest-weighted part of the score. Source: RVC VetCompass / AKC / PDSA (indicative).
Compare with similar-size breeds
Data & citation. Median lifespan: McMillan, K.M. et al. (2024) "Longevity of companion dog breeds", Scientific Reports (584,734 UK dogs). Data CC-BY 4.0. Source. Machine-readable: developer API. These are independent estimates for comparing breeds, not veterinary advice. Photo: Jamie VI via Pexels.