IUCN Red List: Species at Risk

Jan 29, 2025

The IUCN Red List of Threatened Species

Overview

  • More than 46,300 species are threatened with extinction, equating to 28% of all assessed species.
  • The list serves as a comprehensive barometer for global biodiversity health and conservation efforts.

Recent Findings

Coral Species

  • 44% of reef-building coral species are at risk of extinction.
  • Information released during COP29 UN Climate Conference in Azerbaijan.
  • Read more

Tree Assessment

  • 38% of the world’s tree species are threatened.
  • The Western European hedgehog status has been upgraded to Near Threatened.
  • Read more

IUCN Red List Background

  • Established in 1964, the list is the world’s most comprehensive source on the conservation status of various species.
  • It informs and catalyzes action for biodiversity conservation and policy change.
  • Offers data on species range, population size, habitat, ecology, threats, and conservation actions.
  • Learn more

Categories and Criteria

  • Not Evaluated (NE): Species not yet evaluated.
  • Data Deficient (DD): Insufficient information for risk assessment.
  • Least Concern (LC): Evaluated but do not qualify as threatened.
  • Near Threatened (NT): Close to qualifying as threatened.
  • Vulnerable (VU): High risk of extinction.
  • Endangered (EN): Very high risk of extinction.
  • Critically Endangered (CR): Extremely high risk of extinction.
  • Extinct in the Wild (EW): Survives only in cultivation or captivity.
  • Extinct (EX): No individuals left.
  • Explore categories

Future Goals

  • Over 166,000 species assessed so far.
  • Aim to assess 260,000 species by 2030.
  • Reassess 142,000 species to keep data current.
  • Support needed from the public to achieve these goals.
  • Donate now