Bullmastiff Lifespan: How Long Do They Live?
Everything you need to know about the Bullmastiff's life expectancy, factors that affect longevity, and tips to help your dog live a longer, healthier life.
Average Lifespan
7–9 years
Size Category
Giant
Compared to Average
Below average
Bullmastiff Life Expectancy
Expect a Bullmastiff to be your companion for 7–9 years, an below average range for the giant size category. Lives 7-9 years, shorter than average even for large breeds; cancer is the primary cause of early death, and lean body condition is important for longevity..
Genetics set the baseline, but daily care determines where within the range your dog falls. A quality diet, regular exercise, dental care, and twice-yearly vet visits for seniors all contribute to longevity.
Lifespan Range Visualization
Lifespan by Gender
| Male | 7–9 years |
| Female | 7.5–9.5 years |
Factors That Affect Bullmastiff Lifespan
Key factors that affect Bullmastiff lifespan (7–9 years) include:
- Genetics: Dogs from parents tested for Lymphoma and other conditions have better odds of a long life
- Diet: A balanced diet maintaining 100–130 lbs
- Exercise: 50+ minutes daily maintains cardiovascular health and healthy weight
- Veterinary care: Annual checkups with biannual visits after age 7 catch issues early
- Weight management: Keeping your Bullmastiff lean can add 1-2 years to their life
- Dental care: Good oral hygiene prevents infections that can affect overall health
Tips to Help Your Bullmastiff Live Longer
To help your Bullmastiff live their longest, healthiest life (7–9 year potential):
- Feed a high-quality diet and measure portions to maintain 100–130 lbs
- Provide 50+ minutes of daily exercise—Moderate exercise needs of 30-45 minutes daily; prefers shorter walks and play sessions, and is prone to overheating due to their brachycephalic tendencies.
- Keep up with all vaccinations and parasite prevention
- Schedule annual veterinary checkups (twice yearly after age 7)
- Screen proactively for Lymphoma, the breed's primary health concern
- Brush teeth regularly or provide dental chews
- Address health concerns promptly rather than waiting
Lifespan Compared to Similar Breeds
| Breed | Lifespan | Size |
|---|---|---|
| Great Dane | 7–10 yrs | Giant |
| Newfoundland | 9–10 yrs | Giant |
| Tibetan Mastiff | 10–12 yrs | Giant |
| Anatolian Shepherd Dog | 11–13 yrs | Giant |
| Kuvasz | 10–12 yrs | Giant |
Frequently Asked Questions
The Bullmastiff typically lives 7–9 years, below average for giant-sized breeds. Lives 7-9 years, shorter than average even for large breeds; cancer is the primary cause of early death, and lean body condition is important for longevity..
Feed a balanced diet, maintain healthy weight, provide 50+ minutes of daily exercise, keep up with preventive vet care, and address health issues early. Cancer, particularly lymphoma, is the breed's most pressing health concern; regular checkups and awareness of warning signs like swollen lymph nodes are essential..
Longevity records for Bullmastiffs are not formally tracked, but anecdotal reports suggest some individuals have reached 12–14 years. For a giant-sized breed, this is remarkable. Factors that contribute to exceptional longevity include health-tested parentage, a short coat kept in good condition, proper weight management, and early detection of breed-specific conditions like Lymphoma.
Both sexes of Bullmastiff typically live 7–9 years. As a working breed from England, longevity depends more on care quality than on sex. Weight management (100–130 lbs is the healthy range), 50+ minutes of daily exercise, and proactive screening for Lymphoma matter far more than gender.
Current research suggests spaying or neutering can slightly increase lifespan by reducing certain cancer risks. For larger breeds like the Bullmastiff, timing is especially important because early alteration may affect joint development and increase the risk of conditions like Lymphoma. Your veterinarian can recommend the ideal age based on your Bullmastiff's individual health profile.