Pitbull Lifespan
American Staffordshire Terriers had a median of 12.5 years in the same study, but from only 142 dogs. UK life tables give Staffordshire Bull Terriers a life expectancy of 11.3 years at birth.
Pit bulls typically live 12 to 16 years, the AKC’s range for the American Staffordshire Terrier. The closest large study, of 36,216 UK Staffordshire Bull Terriers, found a median of 12.0 years. “Pit bull” covers several related breeds, so treat these as good estimates rather than exact figures for your dog.
Pit Bull life stages
Life stages follow the 2019 AAHA guidelines. The senior stage is the last 25% of expected life, so with a median lifespan of 12.0 years, a Pit Bull becomes a senior at about 9.
| Stage | Age | What to focus on |
|---|---|---|
| Puppy | 0–7 months (9 if 51 lb+) | Socialize early and often, and start handling paws, ears and skin so checkups are easy later. |
| Young adult | to 4 years | Watch the skin: itching, redness or hair loss are early signs of allergies. |
| Mature adult | 4–9 years | Keep them lean; a muscular build can hide extra weight. |
| Senior | 9+ years | From about 9, see the vet twice a year and include a heart check. |
Pit Bull age in human years
| Pit Bull age | Under 51 lb | 51 lb or more |
|---|---|---|
| 1 year | 15 | 15 |
| 2 years | 24 | 24 |
| 3 years | 28 | 28 |
| 4 years | 32 | 32 |
| 5 years | 36 | 36 |
| 6 years | 42 | 45 |
| 7 years | 47 | 50 |
| 8 years | 51 | 55 |
| 9 years | 56 | 61 |
| 10 years | 60 | 66 |
| 11 years | 65 | 72 |
| 12 years | 69 | 77 |
| 13 years | 74 | 82 |
| 14 years | 78 | 88 |
| 15 years | 83 | 93 |
| 16 years | 87 | 99 |
Pit Bull puppy growth (estimate)
| Age | Male (lb) | Female (lb) |
|---|---|---|
| 2 months | 14–18 | 10–14 |
| 3 months | 23–29 | 17–23 |
| 4 months | 33–42 | 24–33 |
| 6 months | 47–60 | 34–47 |
| 9 months | 54–69 | 39–54 |
| 12 months | 55–70 | 40–55 |
| 18 months | 55–70 | 40–55 |
Common Pit Bull health problems
Hip dysplasia
The AKC notes some instances of mild hip dysplasia in American Staffordshire Terriers and says responsible breeders screen breeding stock for it. Over time a loose hip joint leads to arthritis.
Watch for: Stiffness after rest, reluctance to jump, a swaying gait.
Heart disease
Some types of cardiac disease occur in the breed, according to the AKC, which lists a cardiac evaluation among the recommended health tests.
Watch for: Tiring easily, coughing, fainting, fast breathing at rest.
Skin and coat allergies
The AKC reports skin and coat allergies in AmStaffs, attributed to immune system weaknesses. Allergies rarely shorten life, but chronic itching and skin infections affect quality of life.
Watch for: Constant scratching or licking, red skin, hair loss, recurring ear infections.
Cerebellar ataxia
An inherited disease that causes a progressive loss of muscle coordination, usually first appearing between 3 and 5 years of age. A genetic test now lets breeders avoid producing affected puppies.
Watch for: Clumsiness, a wobbly or high-stepping walk, trouble judging steps.
Seizures
In UK vet records, Staffordshire Bull Terriers were about twice as likely as other dogs to be diagnosed with a seizure disorder (odds ratio 2.06).
Watch for: Collapse, paddling legs, twitching, a dazed spell afterward.
What breed is a “pit bull”?
“Pit bull” is a type of dog, not a single breed. The name usually refers to the American Pit Bull Terrier, the American Staffordshire Terrier and the Staffordshire Bull Terrier, and it is also used for mixed-breed dogs with a similar look.
That matters for lifespan data. The American Kennel Club doesn’t recognize the American Pit Bull Terrier; the United Kennel Club does. The AKC does recognize the American Staffordshire Terrier (AmStaff) and the Staffordshire Bull Terrier. No large study reports lifespan for American Pit Bull Terriers specifically.
So this page combines the best available sources: the AKC’s 12–16 year range for AmStaffs, and the 2024 UK study, which followed 36,216 Staffordshire Bull Terriers (median 12.0 years) but only 142 AmStaffs (median 12.5 years). The two agree well, which gives some confidence that most pit-bull-type dogs live into their early teens.
How to help your Pit Bull live longer
Ask for DNA and health screening results
Before you buy a puppy, ask for the parents’ cerebellar ataxia DNA results and their hip and cardiac evaluations, the tests the AKC points to for this breed.
Treat itchy skin early
Allergies are common. See your vet at the first sign of constant scratching so skin infections don’t set in, and keep up regular bathing and parasite control.
Keep them lean and active
Pit bulls are athletic and put on weight when under-exercised. In US veterinary records, dogs with the highest body condition score had a life expectancy of 11.7 years, compared with 13.2 at an ideal weight.
Know what to do in a seizure
Move furniture away, don’t put your hand near the mouth, and time how long it lasts. Call your vet afterward, or right away if seizures repeat or don’t stop.
Do pit bulls have more health problems than other dogs?
Not across the board. A UK study of Staffordshire Bull Terriers compared them with other dogs in the same vet records. They were about twice as likely to be diagnosed with seizures, but far less likely to have a slipping kneecap (patellar luxation, odds ratio 0.15). They were not diagnosed with aggression more often than other dogs (odds ratio 1.09).
AmStaff breeders also watch for hip dysplasia, heart disease, skin allergies and cerebellar ataxia. Overall, the data describes a robust, long-lived type of dog with a few specific risks worth screening for.
Frequently asked questions
How long do pit bulls live?
Usually 12 to 16 years. That is the AKC range for American Staffordshire Terriers, and a UK study of 36,216 Staffordshire Bull Terriers found a median of 12.0 years.
Is a pit bull the same as an American Staffordshire Terrier?
Not exactly. The AmStaff is an AKC-recognized breed that is often called a pit bull. The American Pit Bull Terrier is a separate breed recognized by the United Kennel Club, not the AKC.
Does the AKC recognize pit bulls?
The AKC doesn’t recognize the American Pit Bull Terrier. It does recognize two closely related breeds, the American Staffordshire Terrier and the Staffordshire Bull Terrier.
Are Staffies and pit bulls the same breed?
No. The Staffordshire Bull Terrier is a smaller, separate breed, but it shares ancestry with pit-bull-type dogs and is often grouped with them. Its large UK dataset is the best lifespan evidence available for the type.
Are pit bulls more aggressive?
In UK vet records, Staffordshire Bull Terriers were not diagnosed with aggression more often than other dogs. Behavior depends on the individual dog, its socialization and training.
Is 9 old for a pit bull?
It’s the start of the senior years. With a median lifespan of 12 years, the senior stage by AAHA’s definition begins at about 9. On the AKC age chart, a 9-year-old is about 56 in human years if under 51 lb, or 61 if larger.
Compare similar breeds
Sources
- American Kennel Club. American Staffordshire Terrier breed information.
- United Kennel Club. American Pit Bull Terrier breed standard.
- McMillan K.M. et al. Longevity of companion dog breeds: those at risk from early death. Scientific Reports, 2024.
- O'Neill D.G. et al. Staffordshire Bull Terriers in the UK: their disorder predispositions and protections. Canine Medicine and Genetics, 2020.
- Teng K.T. et al. Life tables of annual life expectancy and mortality for companion dogs in the United Kingdom. Scientific Reports, 2022.
- Montoya M. et al. Life Expectancy Tables for Dogs and Cats Derived from Clinical Data. Frontiers in Veterinary Science, 2023.
- Creevy K.E. et al. 2019 AAHA Canine Life Stage Guidelines. JAAHA, 2019.
Estimates only — not a substitute for veterinary advice. Read our disclaimer.