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Biodiversity

HomeBiodiversity
by Hannah Ritchie and Max Roser
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Biodiversity and wildlife thumbnail

Explore the diversity of wildlife across the planet – how many species are in each group, and where they live.
Mammals thumbnail

See how wild mammal populations have changed over time; where they live today; and where they are threatened with extinction.
Birds thumbnail

Explore the diversity of birds across the world; how many species have gone extinct; and how populations are changing.
Fish thumbnail

See data on wild fish stocks; threatened species and how seafood production is changing.
Coral reefs thumbnail

Explore the distribution of coral reefs across the world and how they are changing from human pressures.
Living planet index thumbnail

The Living Planet Index is one of the most-common biodiversity metrics. What does it tell us about the world’s wildlife?
Extinctions thumbnail

Explore the long-term history of Earth’s extinctions, and where we are today.
Threats to wildlife thumbnail

Explore the latest data and research on the biggest threats to global wildlife.
Poaching and wildlife trade thumbnail

Hunting is one of the largest threats to wildlife. See how poaching rates and trade has changed over time, and across species.
Habitat loss thumbnail

See how human expansion and habitat loss has changed landscapes over millennia, and how this has impacted global biodiversity.
Protected areas conservation thumbnail

See how protected areas and conservation efforts are changing over time, and their impacts on protecting the world’s wildlife.

Upcoming biodiversity topics to cover

This is a growing collection of resources and research on biodiversity. Biodiversity aspects we have not yet covered but aim to in the near future include:

Key articles on Biodiversity

Wild mammal thumbnail
Wild mammals have declined by 85% since the rise of humans
Qme extinctions
The largest mammals are at the greatest risk of extinction
Threatened mammal species
Elephants, rhinos, gorillas: how many of our largest mammals are at risk of extinction?
Number of bird and mammal species saved from extinction bolam et al. 2020
How many species has conservation saved?
Whales killed per decade
The rise and fall of whaling
Number of rhinos poached 1
What is the scale of global hunting and wildlife trade?
Number of rhinos poached 1
What are the largest threats to wildlife?
Extinction rates compared to background pimm et al
Are we heading for a sixth mass extinction?
Global living planet index
Living Planet Index: Have we really lost 68% of the world’s wildlife?