Which breed of dog lives the oldest? Twelve breeds accompany you for a particularly long time. Small dogs have an average life expectancy of ten to 15 years.
Medium-sized dogs live up to 13 years on average. Large dogs only live eight to twelve years. Big dogs don't live as long as young ones. Some dog breeds that cannot be expected to live long are giant breeds such as the Great Dane. Neutered male dogs also have a longer life expectancy than unutered ones.