What is the lifespan of a Japanese Terrier? Just Us Dogs, 2 years ago 1 min read 20 A What is the lifespan of a Japanese Terrier? The average lifespan of a Japanese Terrier is between 12 to 15 years. How often should I groom my Jonangi? How often should I groom my Japanese Terrier? Related posts Dog Breeds German Shepherd Dog Dog Breed Information, Puppies & Breeders , 4 months ago 13 min read Dog Breeds Dogo Sardesco Dog Breed Information, Puppies & Breeders , 4 months ago 12 min read Dog Breeds Bakharwal dog Dog Breed Information, Puppies & Breeders , 4 months ago 12 min read Dog Breeds Old English Terrier Dog Breed Information, Puppies & Breeders , 4 months ago 12 min read Dog Breeds Drever Dog Breed Information, Puppies & Breeders , 4 months ago 12 min read Dog Breeds Bracco Italiano Dog Breed Information, Puppies & Breeders , 4 months ago 13 min read