How Many Species Are Endangered 2025. Vulnerable, endangered and critically endangered species are considered to be threatened with extinction. There are currently at least 38,500 species under threat, and over 16,300 species believed to be endangered, according to the international union for conservation of nature (iucn), the world’s most comprehensive.
Discover 38 of the most endangered species on. Currently, there are more than 166,000 species on the iucn red list, with more than 46,300 species threatened with extinction, including 44% of reef building corals, 41% of amphibians,.