Sources are listed once in the order they were used, but many—especially those from the U.S. Census Bureau—were utilized in numerous chapters during the development of this book.
Worldometers. “World Population Clock.” Retrieved from http://www.worldometers.info/world-population/#region.
U.S. Department of Health and Human Services Centers for Disease Control and Prevention. (December 23, 2015). “National Vital Statistics Reports—Births: Final Data for 2014.” Volume 64, Number 12.
Mattel Inc. (February 1, 2016). “2015 Annual Report.” Retrieved from http://files.shareholder.com/downloads/MAT/2216899387x0x884386/BB030C82-FB73-48B8-AFF7-42D39E9E66C6/Mattel_2015_AR_Bookmarked_PDF.PDF.
Urbain, Thomas. (January 28, ...