Forever, for a boxer's life span, is about 10 to 12 years. Boxer life expectancy is the same as most dogs of similar size. By comparison, the age range for small dogs is 14 years and up. At the opposite end of the spectrum are giant breeds like Great Danes and mastiffs, which usually top out at seven to eight years.Is a boxer a good family dog?
Due to their fun personality, trainability, and love for their human family, a Boxer can be a good family dog. To maintain the happiness of both your Boxer and your other family members, it is imperative that you keep him both mentally and physically stimulated.