This report was written by Renee Stepler, research analyst, and Mark Hugo Lopez, director of Hispanic research. Michael Keegan, information graphics designer, created the maps for the report and its associated interactives. The authors thank Jeffrey S. Passel, senior demographer, and Claudia Deane, vice president for editorial guidance. Gustavo López, research assistant, and Anna Brown, research analyst, number-checked the report. David Kent was the copy editor.

The accompanying geography databases and interactives were compiled by Stepler and number checked by López, Brown and Eileen Patten, research analyst. Keegan; Yolanda Martinez, associate web producer; Danielle Alberti, web developer; and Ben Wormald, web developer , provided web support for the report and its accompanying interactives.

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