Archive · 9 Jan 2026
Mosquitoes deadliest animals to humans
Mosquitoes are the deadliest animals to humans, causing nearly 600,000 deaths in 2023 from diseases like malaria.
Snakes cause tens of thousands of deaths annually from bites, while dogs are responsible for about 59,000 deaths each year due to rabies.
Freshwater snails, tsetse flies, and assassin bugs also transmit deadly diseases.
Crocodiles, elephants, and hippopotamuses cause around 1,000 and 500 human deaths each year, respectively, through attacks and human-wildlife conflicts.
These animals pose significant threats to human life through various means.
Mosquitoes caused 597,000 deaths in 2023 from malaria, with 263 million cases across 83 countries.
Snakes bite 5.4 million people yearly, resulting in 81,000–138,000 deaths annually.
Dogs cause 59,000 deaths annually from rabies, mostly in Asia and Africa.
Freshwater snails transmit schistosomiasis, leading to 11,792 deaths annually.
Tsetse flies cause 10,000 deaths annually from African sleeping sickness.
- Who
- Humans affected by deadly animals
- What
- Various animals causing human deaths through diseases and attacks
- When
- Annually and in 2023 for specific data points
- Where
- Globally, with specific regions mentioned for certain animals
- Why
- Due to diseases transmitted or direct attacks by these animals
- Mosquitoes
- 597,000 deaths in 2023 from malaria
- Snakes
- 81,000–138,000 deaths annually from bites
- Dogs
- 59,000 deaths annually from rabies
- Freshwater snails
- 11,792 deaths annually from schistosomiasis
- Tsetse flies
- 10,000 deaths annually from African sleeping sickness
- Assassin bugs
- 12,000 deaths annually from Chagas disease
- Crocodiles
- 1,000 human deaths annually
- Elephants
- 500 human deaths annually
- Hippopotamuses
- 500 human deaths annually