This report was written by Rakesh Kochhar, senior researcher.
Editorial guidance for the report was provided by Mark Hugo Lopez, director, race and ethnicity research.
Guidance on the communications strategy and outreach was provided by Tanya Arditi, senior communications manager.
The report was number-checked by Gracie Martinez and Mohamad Moslimani, research assistants. Sara Atske, digital producer, produced the report. David Kent, senior copy editor, copy edited the report.
Find related reports on our topic page about the middle class.