This entry begins with a presentation of demographic data from the U.S. Census 2010 on the adolescent population 12 to 19 years by age, gender, and ethnicity. A summary of the information available on major issues and problems affecting adolescent populations is presented from numerous governmental and empirical research sources on the following topics: education, runaway and homeless youth, sexual behavior, substance abuse, suicide, victimization and criminal behavior, and texting while driving.
