How long do dogs live?
Learn how long dogs live, why dog lifespan differs by size and breed, and estimate remaining years together with PetLifeYears.
Dog breed guides
Dog breed lifespan guides
These pages explain breed and size context without pretending to predict an exact outcome. Use the dog calculator for an estimate that also considers age, body condition, neuter status, and health history.
Lifespan guides
Dog lifespan questions
Dog lifespan by size
Compare dog lifespan by size using PetLifeYears ranges for toy, small, medium, large, and giant dogs.
Senior dog life expectancy
Understand senior dog life expectancy by current age, size, body condition, and health context, without predicting an exact date.
Dog age in human years
Learn why dog age in human years depends on size and breed, and use PetLifeYears for a lifespan range instead of a simple seven-year rule.
Beagle lifespan
Learn the Beagle lifespan baseline and estimate a range using age, size, body condition, and health factors.
Dachshund lifespan
Learn the Dachshund lifespan baseline and estimate remaining years together with health context.
Yorkshire Terrier lifespan
Learn the Yorkshire Terrier lifespan baseline and estimate a personalized planning range.
Boxer lifespan
Learn the Boxer lifespan baseline and estimate a range with age, size, body condition, and health context.
Great Dane lifespan
Learn the Great Dane lifespan baseline and why giant breed size changes lifespan planning.
Golden Retriever
A popular large breed where body condition, cancer risk context, and preventive care matter for lifespan planning.
Read guideLabrador Retriever
A large retriever breed where weight management and activity are especially useful context.
Read guideGerman Shepherd
A large working breed where orthopedic health, size, and long-term mobility should be considered.
Read guideFrench Bulldog
A small breed with important breed-related health context, so estimates should stay careful and educational.
Read guideChihuahua
A toy breed where the small-dog longevity pattern is useful, while dental and heart health still matter.
Read guide