{"id": 1132553, "name": "Number of threatened species", "unit": "species", "createdAt": "2026-01-06T08:36:46.000Z", "updatedAt": "2026-01-06T08:36:46.000Z", "coverage": "", "timespan": "2025-2025", "datasetId": 7305, "columnOrder": 0, "shortName": "threatened_species", "catalogPath": "grapher/iucn/2026-01-05/threatened_and_evaluated_species/threatened_and_evaluated_species#threatened_species", "descriptionShort": "The IUCN Red List has assessed only a small share of the total known species in the world. This means the number of species threatened with extinction is likely to be a significant underestimate of the total number of species at risk.\nThis is particularly true for understudied groups such as insects, plants and fungi.\n'Threatened' species are those that are categorized as 'Critically endangered', 'Endangered' or 'Vulnerable' on the IUCN Red List.", "type": "int", "datasetName": "IUCN Red List Summary Statistics Table 1a", "datasetVersion": "2026-01-05", "nonRedistributable": false, "display": {"name": "Number of species threatened with extinction", "unit": "species"}, "schemaVersion": 2, "processingLevel": "minor", "presentation": {"titlePublic": "Number of species threatened with extinction", "topicTagsLinks": ["Biodiversity"]}, "dimensions": {"years": {"values": [{"id": 2025}]}, "entities": {"values": [{"id": 371979, "name": "All fungi", "code": null}, {"id": 180689, "name": "All groups", "code": null}, {"id": 371146, "name": "All invertebrates", "code": null}, {"id": 371149, "name": "All plants", "code": null}, {"id": 371150, "name": "All vertebrates", "code": null}, {"id": 84169, "name": "Amphibians", "code": null}, {"id": 84175, "name": "Arachnids", "code": null}, {"id": 84167, "name": "Birds", "code": null}, {"id": 84188, "name": "Brown algae", "code": null}, {"id": 84174, "name": "Corals", "code": null}, {"id": 84173, "name": "Crustaceans", "code": null}, {"id": 371147, "name": "Ferns and allies", "code": null}, {"id": 84170, "name": "Fishes", "code": null}, {"id": 84183, "name": "Flowering plants", "code": null}, {"id": 84184, "name": "Green algae", "code": null}, {"id": 84182, "name": "Gymnosperms", "code": null}, {"id": 371978, "name": "Horsehoe crabs", "code": null}, {"id": 84172, "name": "Insects", "code": null}, {"id": 84166, "name": "Mammals", "code": null}, {"id": 51352, "name": "Molluscs", "code": null}, {"id": 84180, "name": "Mosses", "code": null}, {"id": 84187, "name": "Mushrooms", "code": null}, {"id": 292443, "name": "Other invertebrates", "code": null}, {"id": 84185, "name": "Red algae", "code": null}, {"id": 84168, "name": "Reptiles", "code": null}, {"id": 84176, "name": "Velvet worms", "code": null}]}}, "origins": [{"id": 10731, "title": "IUCN Red List Summary Statistics Table 1a", "description": "Number of species evaluated in relation to the overall number of described species, and numbers of threatened species by major groups of organisms.", "producer": "International Union for Conservation of Nature Red List of Threatened Species", "citationFull": "International Union for Conservation of Nature. 2025. The IUCN Red List of Threatened Species. Version 2025-1. https://www.iucnredlist.org. Accessed on [27 March 2025]", "attributionShort": "IUCN", "urlMain": "https://nc.iucnredlist.org/redlist/content/attachment_files/2025-1_RL_Table_1a.pdf", "dateAccessed": "2026-01-05", "datePublished": "2025-10-10", "license": {"url": "https://www.iucnredlist.org/terms/terms-of-use", "name": "\u00a9 International Union for Conservation of Nature and Natural Resources"}}]}