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Question 1, 2026-11-01nature, animals

By weight, what share of all mammals on Earth are wild animals?

The answer
5%
of global mammal biomass

Only about 5%

Livestock and pets make up about 59% of mammal biomass and humans about 36%. Every wild mammal, from mice to elephants to whales, adds up to the remaining 5%.

Data: estimate published in 2023. Source: Greenspoon et al. (2023) via Our World in Data

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