The IUCN has assessed more than 105,000 species and found more than 28,000 of them threatened with extinction.
Notes on verification
Matches official IUCN July 2019 press release figures exactly (105,732 assessed, 28,338 threatened), corroborated by multiple independent outlets including The Conversation, Mongabay, and Earth Island Journal. [tier=unverified indep_score=0.3 clusters=3 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- Learn how species that faced extinction are bouncing back (seed:environment_and_wildlife)
- https://iucn.org/news/species/201907/unsustainable-fishing-and-hunting-bushmeat-driving-iconic-species-extinction-iucn-red-list (corroboration)
- https://theconversation.com/more-than-28-000-species-are-officially-threatened-with-more-likely-to-come-120430 (corroboration)
- https://news.mongabay.com/2019/07/from-over-100000-species-assessments-in-iucn-update-zero-improvements/ (corroboration)