Australian Shepherd Lifespan: How Long Do They Live?

Everything you need to know about the Australian Shepherd's life expectancy, factors that affect longevity, and tips to help your dog live a longer, healthier life.

Average Lifespan
12–15 years
Size Category
Medium
Compared to Average
Average

Australian Shepherd Life Expectancy

The Australian Shepherd has an average lifespan of 12 to 15 years, which is average for dogs of their size category. As of 2026, advances in veterinary medicine and improved nutrition have helped many Australian Shepherds reach the upper end of this range and beyond.

Several factors influence an individual Australian Shepherd's lifespan, including genetics, diet, exercise, veterinary care, and overall lifestyle. Dogs from health-tested parents who receive consistent preventive care tend to live the longest, healthiest lives.

Lifespan Range Visualization

5 years20 years

Lifespan by Gender

Male12–15 years
Female12.5–15.5 years

Factors That Affect Australian Shepherd Lifespan

Key factors that affect Australian Shepherd lifespan include:

  • Genetics: Dogs from health-tested breeding lines have better odds of a long life
  • Diet: A balanced, high-quality diet appropriate for their life stage
  • Exercise: Regular physical activity maintains cardiovascular health and healthy weight
  • Veterinary care: Annual checkups and preventive treatments catch issues early
  • Weight management: Keeping your Australian Shepherd at a healthy weight can add 1-2 years to their life
  • Dental care: Good oral hygiene prevents infections that can affect overall health

Tips to Help Your Australian Shepherd Live Longer

To help your Australian Shepherd live their longest, healthiest life:

  • Feed a high-quality diet and measure portions to prevent obesity
  • Provide 60+ minutes of daily exercise
  • Keep up with all vaccinations and parasite prevention
  • Schedule annual veterinary checkups (twice yearly for seniors)
  • Brush teeth regularly or provide dental chews
  • Maintain mental stimulation with training, puzzles, and social interaction
  • Address health concerns promptly rather than waiting

Lifespan Compared to Similar Breeds

BreedLifespanSize
Treeing Tennessee Brindle 10–12 yrs Medium
Treeing Walker Coonhound 12–13 yrs Medium
Norrbottenspets 14–17 yrs Medium
Cocker Spaniel 10–14 yrs Medium
Bergamasco Sheepdog 13–15 yrs Medium

Frequently Asked Questions

The Australian Shepherd typically lives within the normal range for their size category. Individual lifespan depends on genetics, diet, exercise, and veterinary care.
Regular veterinary checkups, a balanced diet, daily exercise, mental stimulation, and preventive healthcare all contribute to a longer, healthier life for your Australian Shepherd.
While specific records vary, some Australian Shepherds have been reported to live well beyond their average lifespan with exceptional care and favorable genetics.
Studies suggest minimal difference between male and female Australian Shepherd lifespans, though spayed/neutered dogs may have slightly longer life expectancies.
Research in 2026 suggests that spaying or neutering can slightly increase lifespan by reducing certain cancer risks, though timing should be discussed with your veterinarian.