Acknowledgements

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The compilation of a body of information as large as the Ethnologue over the last six and a half decades is the result of the cooperation and participation of a multitude of contributors. Lamentably, space does not permit a comprehensive listing of every contributor since Ethnologue came into existence. This edition has benefited particularly from the contributions of researchers, language fieldworkers, and users of the languages who have freely given their time and expertise to improve the accuracy and quality of the data. We are especially grateful to those who have joined our team of Field Contributors, as well as to a growing number of online registered users who contribute valuable input through the Feedback tabs on the website.

Gary F. Simons, as Executive Editor, has provided the oversight and coordination for the task of bringing this new edition into existence, as well as guiding the process of change as we seek to keep improving the content and coverage of Ethnologue . Charles D. Fennig, Managing Editor, has supervised the data entry process, tracked changes, dealt with thousands of electronic and hard copy communications, and has done a great deal of in-depth research in response to communications from users. M. Paul Lewis, having stepped down after 12 years in the role of General Editor, has continued to provide us with valuable assistance as an Editorial Consultant. The editorial team is augmented by the work of Colleen Ahland as Language Classification Editor, Albert Bickford as Sign Languages Editor, Lorna Priest Evans as Script and Writing Systems Editor, and Linda Simons as the Ethnologue Bibliographer. We have also benefited from the research assistance provided by Beth Brye (on autoglottonyms), Robert Johnson (on geopolitical matters), and Abbey Thomas (on a variety of issues). Denise Hovland has supported the editorial team by patiently and diligently entering volumes of data.

Technical support for the Ethnologue database and the systems that allow us to edit the information and produce publications from it has been provided by Chad White, webmaster and lead developer. Roger Hanggi and Donald May have provided additional database support.

The language maps have been produced under the direction of SIL’s Lead Cartographer, Irene Tucker, by John Amdahl, Dale Baumgartner, Joe Bryant and Marcus Love with additional research by Matt Benjamin, Colin Davis, and Eva Horton and with quality assurance and technical assistance from Stephen Tucker. Significant help in updating the maps for this edition has been received through personal communications from the following: Michael Bauer, Matthais Brenzenger, Stuart Cameron, Nate Cheeseman, North Cody, Michael Elizondo, Mike Frechette, Rynj Gonzales, Ryan Gehrmann, Elizabeth Hall, Linda Jordan, Gyorgy Kara, Karsten Legère, Andrea Lunardon, Bernadette Mitterhofer, John Muniru, Angi Williams Ngumbu, Richard Nzogi, Hugh Patterson, Rich Rudowske, Rachel Ruppert, Hannah Sande, Bonny Sands, Nathan Statezni, John Watters, and Katharina Wolf.

The Ethnologue benefits greatly from the close cooperation of Melinda Lyons, ISO 639-3 Registrar, who has assisted us in keeping our database aligned with the ISO 639-3 inventory of identified languages.

The updated information reported in this edition reflects the cooperation and communications over the last year from hundreds of researchers in the field as well as members of language communities who have made contact with us to contribute updated information. The change records in our database show that 304 additional people beyond the project staff named above have contributed at least one update to the database since the previous edition was published one year ago.

We want to give special recognition to our most prolific contributors. Each of the following 26 people contributed more than 35 updates to this edition: Roger Blench, Nate Cheeseman, Dennis Coyle, Pam Echerd, Dwayne Emberson, Eszter Ernst-Kurdi, Michael Everson, Michael E. Frechette, Cameron Hamm, Anne-Christie Hellenthal, Marcus Jaeger, Paulus-Jan Kieviet, Klaus-Christian Küspert, Karsten Legère, Marcus Love, Bernadette Mitterhofer, Bill Morrison, Susanne Neudorf, Kelvin Nicolle, Richard Nzogi, Ken Olson, Ali Robinson, Chip Sanders, Scott Smith, Nathan Statezni, and Oliver Stegen.

The list of contributors continues with the following 102 who contributed 5 or more updates: Matt A, Michael Ahland, Pedram Akbari, Asmiaty Amat, Christiane Andersen, Anthony Aristar, Rafif Aufa Nanda, Art Aviles, Marvin Beachy, Ted Bergman, John Berthelette, Ulrike Beyer, Brenda Boerger, Leoni Bouwer, John Brownie, Mike Bryant, Stuart Cameron, Adam Cherkassky, Luca Ciucci, Scott Clark, Greg Cooper, Don Daniels, Lynn Dennis, Fekadu Deressa, Josh Dyer, Kyle Eipperle, Enene Enene, David Ford, Cyril Franchomme, O.J. Gamache, Ryan Gehrmann, Samuel Gutiérrez, Wassim Hamdi, David Harper-Jones, David Heath, Bruno Herin, Rob Hess, Lee Hochstetler, Lydia Hoeft, April Hope, Arslan Ibragimov, Ailina Jampadin, Norma Jean Jancewicz, Ross Jones, Linda Jordan, Andreas Joswig, Dayal Kaur, Mari-Sisko Khadgi, Ryan Klint, Angela Kluge, Philip Lambrecht, Debora Ligtenberg, Siti Aidah Haji Lukin Lokin, Melinda Lyons, Ian Maddieson, Emira Mahmutovic, Steve Marlett, Magdalena Martinez, Greg McLean, David Miller, Kirk Miller, Pam Morris, Sadaf Munshi, Hezy Mutzafi, Bettina Mütze, Robert Nampui, Angi Williams Ngumbu, Devin O’Bannon, Mohammed Omar, Manuel A. Otero, Aliana Parker, Ramakant Pradhan, Luminita Prisecaru, Parvez Qadir, Ringreiril Ranglong, Aneel David Ranjha, Neil Rees, Jim Roberts, Jennifer Runner, Kathleen Sackett, Laurentia Schreiber, Herschel Schwartz, John Mark Sheppard, Margaret Smith, Joshua Smolders, Paul Solomiac, Mary Sorola, Kathleen Spence, Tim Stirtz, Abbey Thomas, Irene Tucker, Stephen Tucker, Ian Tupper, Valentin Vydrin, Barb Waugh, Manasseh Siboe Wekundah, Frank White, Kasia Wojtylak, Cathryn Yang, and Juhong Yun.

And the list could continue with 176 more names of those who made at least one contribution, each of which was significant because it allowed us to publish better information. To all of our contributors we are deeply grateful for we recognize that the success of our efforts depends on their generosity.