Siamese
Evidence-led breed profile
The Siamese is a cat breed associated with Thailand. This profile separates population-level breed evidence from the needs of an individual cat.
Siamese cats are typically active and socially engaged, making interactive play and a predictable daily routine useful forms of enrichment. Family history and individual examination matter more than a breed label; ask about dental, eye and amyloidosis-related concerns when relevant.
Quick facts
- Life expectancy
- 11.69 years
- Adult weight
- 5–12 lb (2.3–5.4 kg)
- Daily activity planning
- 20–45 min
- Typical maturity window
- 12–18 months
UK primary-care estimate; 95% confidence interval 10.56–12.82 years
A population estimate is not a limit or a prediction for one pet. Genetics, preventive care, body condition, environment and chance all matter.
Health considerations to discuss
These are population-level conversation topics supported by the sources below, not a diagnosis or a prediction. Ask your veterinarian which history, examination or screening steps are relevant for this pet.
- Familial amyloidosis evidence
- Eye health
- Dental and oral health
Nutrition context
Choose a complete and balanced diet for the animal’s life stage, measure portions, and track body condition rather than relying on breed or scale weight alone. A breed profile cannot determine an individual feeding amount.
Useful focus
- Regular body-condition checks
A flexible planning band for age-appropriate movement, play and enrichment. Split activity into sessions and adjust for age, health, weather and the individual pet.
Structural and behavioral maturity do not arrive on one exact date. Track body condition and development with your veterinary team rather than forcing a growth target.
General guidance only — not veterinary advice and not for emergencies. Consult your vet for any health decision.
Life-stage planning
Breed and size can shape growth and aging patterns, but FurStage uses the same evidence-led canine or feline life-stage framework for every breed. Calculate age first, then use the stage guide to prepare questions for care.
Related breeds to compare
Sources and evidence
These references support the health and life-stage claims on this page. Guidelines inform care planning; studies explain specific methods; neither replaces advice from your veterinarian.
- Official reference2026Siamese Breed Profile
The International Cat Association
- Peer-reviewed study2024Life Tables of Annual Life Expectancy and Risk Factors for Mortality in Cats in the UK
Journal of Feline Medicine and Surgery via PubMed Central
- Peer-reviewed study2023Single Nucleotide Polymorphisms Associated with AA-Amyloidosis in Siamese and Oriental Shorthair Cats
Animals via PubMed Central
- Veterinary guideline2011WSAVA Nutritional Assessment Guidelines
World Small Animal Veterinary Association
Frequently asked questions
- How long does a Siamese live?
- A UK primary-care life-table study estimated 11.69 years at birth, with a 95% confidence interval of 10.56–12.82 years. It describes that study population, not a maximum or an individual prognosis.
- How much activity does a Siamese need?
- Use 20–45 minutes per day as a flexible planning band for movement, play and enrichment. Age, weather, health and individual behavior should change the plan.
- Does breed predict an individual pet’s health?
- No. Breed research can flag useful questions, but it cannot diagnose a pet or account for genetics, body condition, environment and medical history. Use it to prepare for a veterinary conversation.