Working Group

Newfoundland

Newfoundland is a giant dog in the Working Group. Adult weight is 130–150 lb (male), 100–120 lb (female), height is 28 in (male), 26 in (female), and the listed lifespan is 9–10 years. AKC describes the temperament as Devoted, Sweet, Patient.

Last reviewed November 1, 2026.

Newfoundland dog
Photo: illryion · CC BY 2.0 · Wikimedia Commons
Lifespan9–10 years
Weight130–150 lb (male), 100–120 lb (female)
SizeGiantGroupWorking Group

Height

28 in (male), 26 in (female)

Energy

3 / 5

Shedding

3 / 5

Grooming

2 / 5

Trainability

3 / 5

Good with kids

5 / 5

The breed record

Across 36 single-size giant breeds, a lifespan midpoint of 9.5 years is about 0.7 years shorter than the 10.2-year average. A midpoint adult weight of 125 lb is about 9 lb heavier than the 116 lb average for those giant breeds.

The listed origin is Canada. The coat is described as double, medium. The AKC energy score is 3 out of 5, 0.7 points below the group average of 3.7 for the Working Group. Shedding scores 3 out of 5. Grooming scores 2 out of 5, so home brushing covers most weeks. Trainability scores 3 out of 5. Good with children scores 5 out of 5. Good with other dogs scores 5 out of 5. AKC ranked this breed number 46 in 2025.

Adult size is usually reached in up to 24 months (size-band statement (Salt et al. 2017): larger breeds require up to 24 months). AKC parent-club recommended health screenings: Hip Evaluation, Elbow Evaluation, Cardiac Exam, and Cystinuria (Newfoundland) - DNA Test. These are screening tests, not a list of diseases the breed is guaranteed to develop.

Frequently asked

Questions from the breed record

The verified adult weight for a Newfoundland is 130–150 lb (male), 100–120 lb (female).

Sources

More Working Group breeds

All Working Group breeds

More giant breeds

All giant dog breeds

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