The IUCN has assessed more than 105,000 species and found more than 28,000 threatened with extinction.
Notes on verification
Confirmed by independent sources (Mongabay, Earth Island Journal) matching the 2019 IUCN Red List update figures exactly. Note the data is now outdated as of 2024, when totals rose substantially. [tier=unverified indep_score=0.3 clusters=2 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://news.mongabay.com/2019/07/from-over-100000-species-assessments-in-iucn-update-zero-improvements/ (corroboration)
- https://www.earthisland.org/journal/index.php/articles/entry/species-improvements-iucn-red-list-threatened-endangered-species/ (corroboration)