12. Border Collie
Renowned for their intelligence and agility, Border Collies often live up to 17 years. Their active lifestyle is a key factor in their longevity, as regular physical and mental stimulation keeps them healthy and engaged. Known for their exceptional herding abilities, these dogs thrive in environments where they can exercise both body and mind. A balanced diet and routine veterinary care further support their health, making Border Collies one of the most vibrant and long-lived breeds.