This fact sheet compares the numbers of 18-25 year-old residents and citizens by gender, race, ethnicity, geographic distribution, marital status, military status, unemployment, educational attainment, and assesses population trends from 1968-2006. It explores such demographic characteristics of young people using data from the March Annual Demographic Supplement of the Current Population Survey from 1968 to 2006. Descriptive tables of the size of the youth population for sub-groups are contained in the appendix to this fact sheet. (Contains 10 tables, 26 figures, and 6 notes.) [This fact sheet was produced by the Center for Information & Research on Civic Learning & Engagement (CIRCLE).]