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Top 10 Most Dangerous Animals Worldwide

Updated on December 3, 2011

It is hard to decide on which animals are the most dangerous. Should it be the ones that contain the most poison? Or have the most powerful bite? Well I have decided the "danger" level of these following animals by the amount of fatalities they cause per year. The amount of fatalities listed are the amount worldwide per year.


10. The Bear

For the most part bears will try to avoid people as much as possible. However, their temperament is unpredictable and they are likely to attack, given they are startled or feel threatened. A bear's bite can be as powerful as a tiger's and several records of bear attacks have claimed that the victim's head was completely crushed from the bite. When in bear territory it has been proven that pepper spray is very effective. In some cases it is even more effective than guns and then you don't have to worry about actually injuring and/or killing the bear.

Fatalities: 5-10 per year

9. The Shark

If you were to ask most people what animal they were most afraid of, many would say the shark. As deadly as the shark may seem, it is only #9 on our list. Why? Because just like bears, shark attacks are seldom and unlikely. Out of around 360 known species, only four of them have been known to kill humans: the great white, oceanic white tip, tiger, and bull sharks. So why are so many people afraid of sharks? The number one reason is because of popular movies such as Jaws.

Fatalities: Less than 50 per year 


8. The Jellyfish

The stinging effect of a jellyfish can be anywhere from no pain to extreme pain and/or death. Just like sharks, jellyfish come in many varieties and only some of the have a painful or life threatening sting. One of, if not, the most dangerous jellyfish is the box jellyfish. The most common way to deal with jellyfish stings is vinegar. This is especially true for the earlier mentioned box jellyfish.

Fatalities: About 100 per year


7. The Hippo

The hippopotamus is naturally an aggressive creature. It has many enemies ranging from crocodiles to lions to hyenas. These "enemies" are all fighting for their own land and the hippo will do whatever it takes to defend it. Although hippos rarely kill each other every once in a while a sick or insane hippo will kill its own kind. But under normal conditions this is very unlikely.

Fatalities: 125-175 per year


6. The Elephant

The reason elephants are so dangerous is because of their unpredictable behavior. They can be very high tempered and become full of rage at any moment. Herds of elephants in India and Africa have even been reported to attack or trample human villages during night, killing many people.

Fatalities: 350-525 per year

5. The Crocodile

The two most dangerous crocodiles are the Saltwater and Nile Crocodiles.  The reason these creatures are so dangerous is their ability to attack before you even know they're there.  Hidden under murky swamps, crocodiles a nearly impossible to see.  The good news is that a crocodile on land is like a fish out of water.  Don't take this the wrong way though! Even though these creatures aren't as capable on land because they are considerably slower, if it does happen to get close enough to you it will pretty soon equalize the match.

Fatalities: 600-800 per year


4. Large Cats

The big cats of Africa are the 4th most dangerous animals in the world. The term "big cats" refer to lions, tigers, jaguar, and leopards. These mammals are mostly dangerous for their predator like behavior and their incredible speed. These mammals can run up to 60mph for a short period of time and unless you get a several mile head start, you are not going to out run them. The one downside the big cats have is they can't maintain this pace for long. So when hunting, first they stalk their prey by staying low in the tall grass. Then once they get close enough they will use their burst of speed to swipe in for the kill.

Fatalities: 800-900 per year

A deathstalker scorpion.
A deathstalker scorpion. | Source

3. The Scorpion

We're now down the the final three most dangerous animals known to man. Coming in third place is the scorpion. Out of over 1,000 known species of scorpions all of them contain venom, but only 25 of them have the venom to hurt a human. The most dangerous of the 25 is the deathstalker scorpion. These creatures can easily hide under rocks and in tight spaces making them likely to sting your hand when you reach down to pick something up. The venom in scorpions is made to paralyze and then kill prey in a manner of seconds so that it does not have time to escape.

Fatalities: 900-1700 per year


2. Poisonous Snakes

Coming in second place are poisonous snakes. This is mainly because snakes are found all over the world and have a high population. Over 400 snakes are poisonous and around 200 capable of killing a human. No matter where you live you are likely to having snakes as your next door neighbor. But, similar to bears, snakes will try to avoid a fight as much as possible and will only attack if they feel threatened. However, with their population all over the world, it is hard to avoid bites.

Fatalities: 10,000-75,000 per year


1. The Mosquito

I know that right now you are probably thinking this is all one big joke. Well it's not. Remember, I am basing the "most dangerous" animal on how many fatalities it causes each year. The mosquito comes in first place taking the lives of around 2.5 million people each year! This little insect carries life threatening diseases such as Malaria, Yellow Fever, and West Nile Virus. Mosquitoes are also all over every continent except for Antarctica. I don't know one person who has never been bitten by a mosquito. And while the chances of getting these diseases are rare, there are millions of people bit by mosquitoes each day.

Fatalities: About 2.5 million per year


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    • profile image

      Devin 2 years ago

      I think you mean "venomous" snakes, not "poisonous".

    • the50marathons17 profile image

      Michael 6 years ago from Long Island, New York

      Lol very clever monkeys uncle

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      monkeysUncle 6 years ago

      I'm surprised that ex-wives didn't make the top ten.

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      blossom 6 years ago