Miniature Schnauzers typically live between 12 and 15 years. Most sources agree on an average lifespan of about 12 to 14 years, with some Miniature Schnauzers living up to 15 or even 16 years with proper care

. Their longevity is influenced by factors such as diet, living environment, exercise, and overall health

. They are generally healthy dogs but can be prone to certain health issues like cataracts, diabetes, pancreatitis, and dental disease, which can affect their lifespan if not properly managed

. Regular veterinary care, including vaccinations, parasite control, dental hygiene, and genetic health screening, can help ensure a longer, healthier life for Miniature Schnauzers

. In summary, Miniature Schnauzers have a relatively long lifespan for a small breed, averaging around 12 to 14 years, with some living beyond 15 years under good care