World Happiness Report 2023 5 Acknowledgments We have had a remarkable range of expert contributing authors and expert reviewers to whom we are deeply grateful for their willingness to share their knowledge with our readers. Although the editors and authors of the World Happiness Report are volunteers, there are administrative and research support costs covered by our partners: Fondazione Ernesto Illy; illycaffè; Davines Group; Unilever’s largest ice cream brand Wall’s; The Blue Chip Foundation; The William, Jeff, and Jennifer Gross Family Foundation; The Happier Way Foundation; and The Regeneration Society Foundation. We value our data partnership with Gallup, providing World Poll data. We appreciate the continued work by Ryan Swaney, Kyu Lee, and Stislow Design for their skills in design and web development, and media engagement. New this year, we thank Marwan Hazem Mostafa Badr Saleh for his assistance with reference preparation. Whether in terms of research, data, or grants, we are enormously grateful for all of these contributions. John Helliwell, Richard Layard, Jeffrey D. Sachs, Jan-Emmanuel De Neve, Lara Aknin, Shun Wang; and Sharon Paculor, Production Editor
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