Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 7 years and 11 months old | 43 lbs
At what age is a dog considered senior?
1 Answer
Published on November 12th, 2018
Thanks for using Petco Pet Education Center, formerly Petcoach! This depends on the breed and size of the dog to some extent. For a small breed dog it would be like 10 years of age and for a large breed dog it would more like 8-9 years of age. Have a great day!
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