Miscellaneous Class

Japanese Akitainu

Japanese Akitainu is a large dog in the Miscellaneous Class. Adult weight is 65–75 lb (male), 55–65 lb (female), height is 25–27.5 in (male), 22.5–25 in (female), and the listed lifespan is 10–12 years. AKC describes the temperament as Dignified, Alert, Aloof.

Last reviewed November 1, 2026.

Lifespan10–12 years
Weight65–75 lb (male), 55–65 lb (female)
SizeLargeGroupMiscellaneous Class

Height

25–27.5 in (male), 22.5–25 in (female)

Energy

3 / 5

Shedding

5 / 5

Grooming

3 / 5

Trainability

1 / 5

Good with kids

3 / 5

The breed record

Across 119 single-size large breeds, a lifespan midpoint of 11 years is about 1.6 years shorter than the 12.6-year average. A midpoint adult weight of 65 lb is about 5.8 lb heavier than the 59.2 lb average for those large breeds.

The listed origin is Japan. The coat is described as double, medium. The AKC energy score is 3 out of 5, 0.5 points below the group average of 3.5 for the Miscellaneous Class. Shedding scores 5 out of 5, so coat cleanup is a regular job. Grooming scores 3 out of 5. Trainability scores 1 out of 5, so short sessions tend to work better than long drills. Good with children scores 3 out of 5. Good with other dogs scores 1 out of 5.

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: Patella Evaluation, Hip Evaluation, Elbow Evaluation, Thyroid Evaluation, Eye Evaluation, and Teeth. 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 Japanese Akitainu is 65–75 lb (male), 55–65 lb (female).

Sources

More Miscellaneous Class breeds

All Miscellaneous Class breeds

More large breeds

All large dog breeds

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