Most Dangerous Animals
Most Dangerous Animals

Top 10 Most Dangerous Animals in the World

By Karin Lehnardt, Senior Writer
Published October 3, 2017
  • Mosquitoes: 725,000 deaths per year[3]
  • Mosquito Facts
    It would take about 1.2 million bites to drain all the blood from your body

  • Humans: 475,000 deaths per year[2]
  • Human Homicide
    Over a 75-year lifespan, a person has a 1 in 200 chance of being murdered in America

  • Snakes: 50,000 deaths per year[4]
  • Dangerous Snake Bites
    The number of snake deaths may be higher because rural areas may not have adequate documentation

  • Dogs: 25,000 deaths per year[4]
  • Dangerous Dog Bites
    Rabid dogs account for a vast amount of these deaths

  • Tsetse flies, Assassin Bugs, Freshwater Snails: 10,000 deaths per year each[4]
  • African Parasites
    The word "tsetse" means "fly" in Tswana (Burkina Faso / Creative Commons)

  • Roundworms: 2,500 deaths per year[4]
  • Top 10 Most Dangerous Animals
    Roundworms can reach 20 inches long

  • Tapeworms: 2,000 deaths per year[4]
  • Tapeworm in Humans
    The most common way to pick up a tapeworm is through eating undercooked meat

  • Crocodiles: 1,000 deaths per year[1]
  • Crocodile Bite Statistics
    Crocodiles are extremely territorial and will kill any intruder, including humans

  • Hippopotamus: 500 deaths per year[4]
  • Top 10 Facts
    The name "hippopotamus" is Greek for "river horse"

  • Elephants: 100 deaths per year[4]
  • Elephant Attack
    Elephants have the largest brains of the animal kingdom


1Grice, Gordon. The Book of Deadly Animals. New York, New York: Penguin Books, 2010.

2Ramsey, Lydia. "These are the Top 15 Deadliest Animals on Earth." Science Alert. September 9, 2016. Accessed: August 8, 2017.

3———.The World's Deadliest Animal Isn't a Shark or Even a Human." Business Insider. April 25, 2017. Accessed: August 8, 2017.

4"What are the World's Deadliest Animals?" BBC. June 15, 2016. Accessed: August 8, 2017.

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