A Japanese study of pet cemetery data found a life expectancy of 14.3 years with 239 dogs—higher than 13.7 overall life expectancy. A UK study found a life expectancy of 13.4 years for the breed compared to an average of 12.7 for purebreeds and 12 for crossbreeds.
A Japanese study of pet cemetery data found a life expectancy of 14.3 years with 239 dogs—higher than 13.7 overall life expectancy A UK study found a life expectancy of 134 years for the breed compared to an average of 12.7 for purebreeds and 12 for crossbreeds