This is a list of the deadliest animals to humans worldwide, measured by the number of humans killed per year. Different lists have varying criteria and definitions, so lists from different sources disagree and can be contentious. This article contains a compilation of lists from several reliable sources.
Source: CNET [2] | Source: Business Insider [3] | Source: BBC News [4] | ||||
---|---|---|---|---|---|---|
Animal | Humans killed per year | Animal | Humans killed per year | Animal | Humans killed per year | |
1 | Mosquitoes | 1,000,000 [a] | Mosquitoes | 750,000 | Mosquitoes | 725,000 |
2 | Humans (homicide) | 475,000 | Humans (homicide) | 437,000 | Snakes | 50,000 |
3 | Snakes | 50,000 | Snakes | 100,000 | Dogs | 25,000 |
4 | Dogs | 25,000 [b] | Dogs | 35,000 | Tsetse flies | 10,000 |
5 | Tsetse flies | 10,000 [c] | Freshwater snails | >20,000 | Crocodiles | 1,000 |
6 | Assassin bugs | 10,000 [d] | Assassin bugs | 12,000 | Hippopotamuses | 500 [5] |
7 | Freshwater snails | 10,000 [e] | Tsetse flies | 10,000 | ||
8 | Scorpions | 3,250 | Scorpions | 3,250 | ||
9 | Ascaris roundworms | 2,500 | Ascaris roundworms | 2,500 | ||
10 | Tapeworms | 2,000 | Tapeworms | 2,000 |