Great Pyrenees typically live about 10 to 12 years on average. Some individuals may live longer, with reports of Great Pyrenees reaching up to 14 or even 15 years in exceptional cases

. Their lifespan is fairly typical for large dog breeds, which generally have shorter lifespans than smaller breeds. Factors influencing their longevity include genetics, nutrition, healthcare, and lifestyle. Providing proper nutrition, regular veterinary care, and attention to joint health (such as supplements like glucosamine and chondroitin) can help extend their healthy years

. In summary:

• Average lifespan: 10–12 years
• Some live up to 14–15 years
• Large breed with slower growth, reaching maturity around 2 years
• Good care can improve lifespan and quality of life

This lifespan is relatively good compared to some other giant breeds like Great Danes or Mastiffs, which often live 8–9 years