Average Lifespan of a Siamese Cat – A Comprehensive Growth Guide

Although the history of the Siamese cat breed has been lost over time, they remain one of the oldest breeds and are highly sought after due to their long lifespan, chatty personality, and affectionate nature. As a result, many people wonder what the average lifespan of a Siamese cat is.

Typically, Siamese felines can survive for 15-20 years, which is longer than the average lifespan of other cats; however, distinctive types of contemporary Siamese cats have a shorter life expectancy, and the longevity of your cat can be significantly influenced by routine health evaluations, a balanced diet, and regular physical activity.

To ensure a long and healthy life for your Siamese cat, it is essential to consider various factors, which we will explore in this article, providing you with tips on how to enhance their lifespan and overall well-being.

What goes into life expectancy?

As pet owners, we all desire our Siamese cats to have a prolonged and healthy existence. Fortunately, these feline creatures have a lifespan that is comparable to that of dogs and longer than other pets. Nevertheless, there are several aspects that contribute to the longevity of your pet’s life. The more attention and care you provide, the better it is for their growth. However, what are the various factors that need consideration? Let us delve into them.

Indoor vs. Outdoor

The lifespan of a Siamese cat can vary depending on whether they are kept indoors or outdoors. Outdoor cats face more dangers such as traffic, other animals, and harsh weather conditions which can all contribute to a shorter lifespan. Additionally, outdoor cats may struggle to find adequate food and water sources. Indoor cats, on the other hand, are generally safer and have their basic needs met.

Siamese cats that live indoors have all their basic needs fulfilled and enjoy the added comfort of being inside, but there is a risk of overfeeding them, which we will address shortly; furthermore, indoor Siamese cats are under closer observation than their outdoor counterparts, allowing owners to detect illnesses or issues more promptly.

Diet and Exercise

Cats love their food! And they will make sure you know when it’s time for a snack or to refill their bowl. Unfortunately, feline obesity is the most common nutritional issue in domestic cats. When a cat is overweight, it can lead to several issues, including a decrease in life expectancy. Obesity in cats can cause them to neglect grooming (which can result in various skin problems) and arthritis. The combination of reduced lifespan and increased health risks can be very concerning for your pet. Make sure you visit your vet for the right treatment.

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Regular playtimes are crucial for Siamese cats for two reasons: firstly, to combat obesity, and secondly, to promote their happiness. It is imperative to schedule playtime and exercise for your Siamese cat‘s overall well-being.


Felines can become stressed, just like people do. Both cats and humans are similarly equipped to manage short-term stress, but they have difficulty dealing with multiple stressors or long-term tension. Too much pressure can reduce the lifespan of a Siamese Cat. Some things that can cause anxiety in cats include having to share resources with a cat they don’t like, when their human touches them too much, or moving into a new environment.


In a moment, we will delve deeper into this topic, but it is important to note that the breed of a cat can significantly impact its lifespan. While purebred cats generally have a shorter lifespan, there may be some exceptions.

  1. Disease or other

There are some illnesses that cannot be cured and will happen no matter what. I once had a lovely Bengel cat who experienced kidney failure and passed away at the age of six. While some cats may have non-fatal health issues, these can still reduce their lifespan.

The Siamese Lifespan

The lifespan of a cat is influenced by its breed, with purebreds generally living shorter lives than mixed breeds, although there are exceptions to this rule, such as the Siamese Cat, which has a longer lifespan compared to other cats, typically living between 15 and 20 years on average, making them stand out among other purebred cats.

It is not uncommon for cats to live longer if given the proper care and regular checkups. Several felines can exceed the Average Lifespan of a Siamese Cat with appropriate attention. The world’s oldest living cat, Rubble, is a purebred Maine Coon who resides in the UK and has celebrated his 30th birthday.

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Siamese cats have a longer lifespan compared to other purebred cats such as Singapura and Manx, with Singapura averaging only 9 to 15 years and Manx starting at only eight years old. In fact, Siamese cats even outlive most mixed breed cats, which are generally known for their longer lifespan of 15 years.

Siamese Cats have a lengthy lifespan, which gives the impression of being robust.

Is the lifespan of Siamese cats longer than other cat breeds? No, Siamese cats have a similar lifespan to other breeds. However, some Siamese cats may exceed the average cat lifespan of 2-16 years. It is worth noting that indoor Siamese cats tend to live longer due to their lower risk of injuries.

Siamese Cat Health Concerns

The Siamese is a purebred feline. Like other pedigree cats, they are more likely to have various medical issues than mixed breed cats. This is because purebred cats are usually the result of very selective breeding or inbreeding. Nevertheless, Siamese cats are still thought to be relatively healthy and robust for a purebred. 

However, Siamese cats may still pose certain hazards.

Siamese cats are often associated with being cross-eyed.

● Kinked tail

Siamese cats may face dental issues that can hinder their ability to eat or groom themselves, posing a potential danger.

● Bladder stones

Siamese cats are susceptible to various eye problems, including but not limited to glaucoma and retinal atrophy.

Siamese cats may develop heart disease, although it is not a frequent occurrence.

● Some forms of cancer

How Long Do Cats Live As Pets In Human Years

Contemplating the human age equivalent of our Siamese cat can be an enjoyable exercise that provides insight into their actual age; while we may perceive a feline as youthful and adorable at five years old, they are already in their thirties!

Although there is no precise method to determine a Siamese cat’s age in comparison to a human’s age, there are various tools and approximations that can assist us. The first two years of a cat’s life are equivalent to 25 human years, but each year after that is only equal to four years. To illustrate, if you don’t want to do the calculations yourself, a three-year-old cat would be 29 years old in human years; you can use this calculator to help.

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In case you are unaware of your Siamese cat’s age, there are some methods to approximate it:

Siamese cats develop their teeth at 2-4 weeks, and their permanent teeth grow in at four months. Yellow stains may appear after a year, and very yellow teeth can indicate that the cat is between 3-4 years old.

Siamese cats with smoother eyes are likely to be younger.

A decrease in muscle mass may suggest that a Siamese cat is aging.

● Average Lifespan of a Siamese Cat – A Comprehensive Growth Guide- The average lifespan of a Siamese Cat is around 12 to 15 years. However, with proper care and nutrition, they can live up to 20 years or more. 

● Coat – Just like humans, felines get grey hairs too. Additionally, older cats are likely to have rougher fur than younger cats do. 

● Average Lifespan of a Siamese Cat – A Comprehensive Growth Guide – Generally, the life expectancy of a Siamese Cat is around 12 to 15 years. Nevertheless, with appropriate care and nutrition, they can live up to 20 years or more. 


Several factors such as diet, disease, and breed influence the lifespan of a feline. Inbreeding often results in a shorter lifespan for most purebred cats; however, the Siamese cat is an exception to this rule as they have a longer life expectancy than many mixed breeds. Despite their origins, with appropriate care, Siamese cats can enjoy a prolonged and contented existence.

You can also check this YouTube video about this topic:

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[Wikipedia] [Encyclopedia Britannica] [National Geographic] [cdc.gov] [Purina]

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