Foundation Stock Service

Japanese Spitz

Japanese Spitz is a small dog in the Foundation Stock Service. Adult weight is 10–25 lb, height is 12–15 in, and the listed lifespan is 10–14 years. AKC describes the temperament as Loyal, playful, smart.

Last reviewed November 1, 2026.

Japanese Spitz dog
Photo: artie yoon · CC BY-SA 2.0 · Wikimedia Commons
Lifespan10–14 years
Weight10–25 lb
SizeSmall
GroupFoundation Stock Service

Height

12–15 in

Energy

3 / 5

Shedding

3 / 5

Grooming

3 / 5

Trainability

5 / 5

Good with kids

5 / 5

The breed record

Across 45 single-size small breeds, a lifespan midpoint of 12 years is about 1.6 years shorter than the 13.6-year average. A midpoint adult weight of 17.5 lb is about 1.5 lb heavier than the 16 lb average for those small breeds.

The listed origin is Japan. The coat is described as double, medium. The AKC energy score is 3 out of 5, 0.6 points below the group average of 3.6 for the Foundation Stock Service. Shedding scores 3 out of 5. Grooming scores 3 out of 5. Trainability scores 5 out of 5, which is a biddable score. Good with children scores 5 out of 5. Good with other dogs scores 5 out of 5.

Adult size is usually reached in 8–12 months (size-band statement (Salt et al. 2017): very small dogs reach maturity at 8-12 months).

Frequently asked

Questions from the breed record

The verified adult weight for a Japanese Spitz is 10–25 lb.

Sources

More breeds in this group

More small breeds

All small dog breeds

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