Newfoundland
The Newfoundland is a massive, gentle working dog bred for water rescue in Newfoundland, Canada. Sweet-tempered, patient, and devoted, Newfies are excellent family dogs known as 'nanny dogs' for their gentleness with children.
8–12
years lifespan
130–150
lbs (male)
27–29
inches tall (male)
moderate
energy level
Temperament
How Old Is Your Newfoundland in Human Years?
Use our breed-specific calculator to find out, plus get personalised health and care guidance for your dog’s exact age.
Open Newfoundland Age CalculatorCommon Health Conditions
Hip Dysplasia
~25% affected per OFA.
Typical onset: 1–4 years
Elbow Dysplasia
~20% per OFA.
Typical onset: 0.5–2 years
Bloat (GDV)
Life-threatening stomach twisting in deep-chested breeds.
Typical onset: 3–10 years
Cystinuria
Metabolic disorder causing bladder stones specific to Newfoundlands.
Typical onset: 1–5 years
Subvalvular Aortic Stenosis (SAS)
Congenital heart defect.
Typical onset: 0.5–3 years
Lifespan Factors
The median lifespan for a Newfoundland is 10 years. Key factors that influence longevity:
- hip/elbow dysplasia
- bloat
- cystinuria
- SAS
- cruciate disease
When Is a Newfoundland Considered Senior?
Newfoundlands are generally considered senior at around 6 years of age. At this point, you should increase vet visits to twice yearly and watch for age-related health changes.
Check your Newfoundland’s age in human years →