* The Catalogue of Life aims to compile a comprehensive list of all known species on Earth and publishes the estimated number of species annually (www.catalogueoflife.org).
* Source: Catalogue of Life, Annual Checklist, Version 2024-12-19
* The number excludes viruses. Additionally, because the dataset does not include AlgaeBase, a database related to algae, some taxonomic groups within Plantae, Chromista, Protozoa, and Bacteria may be partially omitted.
* Source: www.iucnredlist.org/about/summary-statistics
* Last updated: October 28, 2024 (based on IUCN Red List Version 2024-2)
* Source: www.iucnredlist.org/about/summary-statistics
* Last updated: October 28, 2024 (based on IUCN Red List Version 2024-2)
* Source: 2024 Assessment of Threatened Species in Korea by the National Institute of Biological Resources, Ministry of Environment
* Source: cites.org
* Reference Date: December 31, 2024