Global biomass of mammalian life 2023, by category

Published by
Bruna Alves,
Jul 18, 2023
Domesticated mammals make up the largest share of mammalian biomass worldwide. As of 2023, the world's mammal biomass was estimated at 1.1 billion metric tons, of which domesticated mammals accounted for 651 million tons. Humans made up an estimated 394 million metric tons of mammalian biomass globally.

Estimated biomass of mammals worldwide as of 2023, by category (in million metric tons)

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Sources

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Release date

April 2023

Region

Worldwide

Survey time period

2023

Supplementary notes

Biomass is calculated by multiplying the estimated number of species with their average body mass.

Figures were published by Greenspoon, L. et. al., 2023. The global biomass of wild mammals. Proceedings of the National Academy of Sciences 120.

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