The Encyclopedia of the World’s Endangered Languages presents expert analysis of the current language policy situation in every multilingual country and on every continent, detailed descriptions of little-known languages from all over the world, and clear alphabetical entries, region by region, of all the world's languages currently thought to be in danger of extinction.

This new edition has been updated to reflect the greater amount of theorizing on language death, endangerment and revitalization from the last decade. Individual chapters have been thoroughly updated to reflect changes in speaker numbers, reclassifications and new controversies regarding affiliations.