Dachshunds typically live 12 to 16 years, with a median around 12 to 14. Miniatures average slightly longer than standards, as smaller dogs generally do. It is a genuinely good lifespan for such a widely bred dog, and reflects the fact that most dachshund health problems are chronic and manageable rather than rapidly fatal.
The leading causes of death in older dachshunds are the ones you would expect from any small breed — cancer, heart disease, kidney decline — plus spinal disease severe enough to end quality of life.
What moves the number
Keeping the dog lean is the best-evidenced longevity intervention there is, across all breeds. A dachshund at a correct weight avoids or delays back crises, arthritis, diabetes and heart strain.
Dental care, keeping vaccinations and parasite control current, screening bloodwork from middle age, and prompt attention to the first sign of a back problem all add good years. So does simply choosing a puppy from health-tested, screened parents in the first place.
