Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
Chart omits extinct (EX) species
Near Threatened (NT) species do not currently qualify for Critically Endangered (CR), Endangered (EN) or Vulnerable (VU), but are likely to qualify for a threatened category in the near future, or are already close to qualifying.
This is a complete list of near threatened amphibian species evaluated by the IUCN.
There are 62 salamander species assessed as near threatened.
"IUCN Red List version 2016-2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.