Dog breed
American Staffordshire Terrier
From the United States, 17 to 19 inches at the shoulder.
The fact file
- Where it comes from
- United States
- Height at the shoulder
- 17 to 19 inches
- Typical lifespan
- 10 to 14 years
- Also called
- AmStaff
- American Kennel Club
- A recognized breed
Most common names for a American Staffordshire Terrier
In the pet license records we use, 615 dogs are listed as a American Staffordshire Terrier or a American Staffordshire Terrier mix. These are their most common names.
From pet license records published by New York City, Seattle, Cambridge in Massachusetts, and Allegheny County in Pennsylvania. How the names data works
A American Staffordshire Terrier's life stages
The senior years start at different ages by size: around 12 for small dogs, and as early as 7 for larger ones.
- PuppyBirth to 6 months
- Puppy or young adult6 to 9 months
- Young adult9 months to 3 years
- Young or mature adult3 to 4 years
- Mature adult4 years until the senior years
- Mature adult or seniorFrom around 7 to 12 years, by size
Stages from the American Animal Hospital Association life stage guidelines. How the life-stage calculator works
Related breeds
The same size, or from the same country.
For your American Staffordshire Terrier
Breed facts in the fact file: Wikidata, read 2026-10-03, which anyone may reuse.
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