Which breed of dog lives the oldest? Twelve breeds accompany you for a particularly long time. Jack Russell Terriers and Border Collies are among the dog breeds that live particularly long.
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. It's true: Big dogs don't live as long as young ones. If you want to enjoy your four-legged friend for a long time, you should choose a small breed and avoid animals that could be affected by overbreeding.