Jack Russell Terrier
How old is your Jack Russell Terrier?
Enter an age — the calculator is tuned to this breed's size class.
BASED ON AKC BREED DATA
About the Jack Russell Terrier
The Jack Russell Terrier is a small, high-energy working terrier originally bred for fox hunting. Remarkably hardy and long-lived, they remain active and sharp well into their teens.
Caring for a Jack Russell Terrier
Jack Russell Terrier questions
How long do Jack Russell Terriers live?
Jack Russell Terriers typically live 13 to 16 years — they are one of the longest-lived small breeds.
When is a Jack Russell Terrier a senior?
Jack Russells are generally considered senior around age 10 to 11, though many stay active and sharp well past that.
Are Jack Russells healthy dogs?
Yes. Jack Russells are a relatively hardy breed with few serious inherited conditions compared to many purebreds.
Lifespan data: Jack Russell Terrier Club of America breed standard and health survey — therealjackrussell.com
Guides about aging in Jack Russell Terriers
- How long do Jack Russell Terriers live? Jack Russell Terriers typically live 13 to 16 years, one of the longest-lived small breeds. Here is why they outlast most dogs their size.
- Why do small dogs live longer than big dogs? Small dogs often outlive big dogs by years. Here is the simple reason why, and what it means for your dog.
- Dog life stages explained Puppy, adolescent, adult, senior. The four life stages of a dog and what each one needs.