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How Long Do Rats Live? The Lifespan of Rats

how long do rats live

How Long Do Rats Live? The Lifespan of Rats

Most homeowners have probably encountered a rat at some point in time. In fact, rats can be a major nuisance, especially when they start to breed and take over your home.

But did you know that rats can also carry diseases and parasites? While there are many things to be afraid of when it comes to rats, one of the most pressing questions is just how long do rats live?

Read on to find out more about the average lifespan of a rat and what you can do to keep them away from your home.

Average Lifespan of a Rat – What Do We Know?

average lifespan of a rat

Researchers found rats average age was 1.75. Approximately 5% of rat lifespans are at a minimum of 3 – 4 years.

Long-term life is very individual and is largely dependent on living conditions, genetics, and diet.

When rats have enough food to survive without having any genetic problems the animals can survive for 3 years.

The rats we consider a petroglyph is likely to live between 1 and 2 years, depending on species and external environment.

At 21 days old, young rats are weaned and soon after becoming sexually mature.

Life of an Adult Rat

Domestic adult rats spend their entire lives hunting for food and mates. It is omnipresent. These animals hunt for food during the night.

A strong sense of smell and their ability to work in small spaces allow their integration with the city.

Rats are intelligent animals and live and move in a pack. So, a person with one rat may be seeing several.

Packing is created when the male and the female rat pair merge in an unpopulated area. After laying their nests, more rat populations are visible.

How can I tell if I have a rat?

Rats are nocturnal animals, so you're more likely to see them at night. Look for droppings, gnawed holes, or footprints in dusty areas.

You might also hear rats scratching or scurrying in your walls or attic. If you see one rat, there's a good chance there are more nearby.

Rats are also attracted to food sources, so if you see rats near your garbage cans or pet food, that's a good sign you have an infestation.

See Also: Rat Infestation: Signs of Rats & Prevention

How Long Do Wild Rats Live?

wild rat

Wild rat life varies according to species. But this lifespan could be shortened by a little at any time when the animal is attacked or killed by predators.

They are therefore longer than their average life. In the wild rats may last for 3 years without food or shelter.

Usually, a black rat life span is 1 year while a brown rat may live to be 1 year. Sometimes the life expectancy is short.

How Long Do Rats Live As Pets?

pet rats

As noted above, fancy rats typically last between two and three years. It is 1.5 years more than a standard lifespan of a wild rat.

Generally, fancy rats have a lower risk of predators than other pets due to a lack of food.

The children need to feel secure and eat a daily, well-balanced meal. If abused with veterinary attention, the rat can be given veterinary treatment for signs or conditions.

All three factors help rat lifespan prolong the life cycle of their owners.

How Long Do Dumbo Pet Rats Live?

Dumbo Pet Rats

Dumbo rats represent several types of fancy rats. The birds are characterized by their long round ears that are low over their heads.

Dumbo is recessive genetic traits that make the baby dumbass the parent of the child who is dumbo.

A dumb parent mated to a regular rodent may create a litter of a few dumbos or none if a child has one.

How Long Do Hairless Pet Rats Live?

Hairless Pet Rats

Like dumbo, hairless pet rats also have different lengths from household fancy rats. Hairless rats are able to have all colors of skin, but they should remain bloated or soft.

Most hair-lost rats do not have whiskers. Unfortunately, hairless rats are prone to more health problems. Hairless rats not only miss the hairs, but they also miss their thymus gland too.

A gland that plays a major role in developing autoimmune systems. Hairless rats generally have a longer lifespan than typical fancy rats, around 6-12 months.

How long do rats live after eating poison?

There are many types that affect rats based on toxic chemicals used. These three major types act differently and require different attention. This is one slow raccoon poison.

They cause blood clots in rats that eventually die. Typical coagulating agents are warfarin, and fumaric. These chemicals are neurotoxins that work most efficiently.

It attacks a rat's brain causing its blood vessels to collapse in an hour. The rats can be killed if they consume one dose of this poison.

The poison should not be ingested or injected by animals. This poison floods rats with fat-soluble vitamins.

How long do sewer rats live?

Sewer rats are rodents from any species that are found inside plumbing systems either outside or inside a room.

People think flushing rats in toilets kills them or keeps them away.

The reality isn't completely clear though -- rats will swim back into your house via the toilet. Sewer rats can never survive as long as rats in the wild as they are very unhealthy to live in.

They resist a great many bacteria.

Read Also: How to Get Rid of Rats in Sewer Pipes

How To Tell If Your Pet Rat Is Getting Old

As your pet rat ages, you may notice some changes in its behavior or appearance. Here are some signs that your pet rat is getting old:

  1. They are less active and playful
  2. Their fur is graying or thinning
  3. They are losing weight
  4. They are having trouble climbing and jumping
  5. They are sleeping more

If you notice any of these changes, it's important to take your pet rat to the vet to treat them to avoid infection.

Keep in mind that these changes are a normal part of aging and not necessarily cause for concern.

Tips for Giving Your Pet Rat a Long Life

Yes, by taking proper care of your rats you can help them live a longer, healthier life whether you consider them pests or pets.

Important to take of your baby rat. Here are some tips:

  1. Provide plenty of fresh water at all times
  2. Feed a high-quality diet rich in vitamins and minerals
  3. Keep your pet rat home clean and free from harmful bacteria
  4. Provide plenty of toys and enrichment activities to keep your rat's mind active
  5. Take your rat to the vet regularly for check-ups and vaccinations

Following these tips, you can help your rat live longer and healthy pet rat. Rats are intelligent, social creatures that can make great pets. By taking care of them properly, you can ensure they have a long

Frequently Asked Questions

How long can rats live without food and water?

Rats can live for around four days without food and up to a month if their diet contains lots of water, though they will still eventually die from dehydration.

However, they should not go more than 24 hours without water because they will become dehydrated.

How long do rats live as pets?

Rats live in the United States for about a year. It is important to tell your youngster about it so that their pet doesn't die suddenly. Rats enjoying chewing. The best escape artist.

Can a rat live for 12 years?

In contrast, the wild rat life expectancy in the wild varies between 1 and 2 years: 95% of wild rat death occurred within one year of their age.

Can a rat live for 5 years?

Rat lifespans are typically between two and three years, however, rats can live up to five years in some instances.

How do rats usually die?

Rat deaths often occur during the nesting of nest rats. Unfortunately, property owners often die of rat nests especially when the deaths are poisonous.

If rats are feeling sick they won’t go looking for food. It will simply die at the nest.


In summary, we have learned that rats typically live between 1 and 3 years, but can live up to five years in some cases.

Rat deaths often occur during the nesting of rats, and unfortunately, property owners often die of rat nests especially when the deaths are poisonous.

If you see a lot of domesticated rats in your home, call our pest control professional today.

We hope that this article has helped clear up how long rats live. Thanks for reading!

About The Author:

Meet Mark Calhoun, a seasoned pest control expert in the realm our pest control company. With over 10 years of dedicated experience and Managing Editor. His primary mission is to furnish you with precise and invaluable DIY insights, ensuring your home remains pest-free while aiding you in distinguishing various household pests.
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