This 15th annual "KIDS COUNT Data Book" examines the issues surrounding America's most at-risk young adults. It examines who they are, why it is so critical that they receive help, and what they need to succeed. Just as important, it outlines a number of ways the path of their lives can be altered thus increasing the odds that they too, can become successful adults. This data book includes: (1) "Moving Youth from Risk to Opportunity" essay; (2) Summary and Findings; (3) National Profiles; (4) United States Profile; (5) National Indicator Maps: State Rates; (6) State Profiles; and (7) Profiles in alphabetical order for 50 states and the District of Columbia. Appended are: (1) KIDS COUNT Standard Scores and Overall Ranks; (2) Multi-Year Trend Data for KIDS COUNT Indicators; and (3) Multi-Year Overall Ranks. Also included are: Definitions and Data Sources; Criteria for Selecting KIDS COUNT Indicators; Primary Contacts for State KIDS COUNT Projects; and Dissemination Partners. (Contains 6 figures and 131 endnotes.) [For "Moving Youth Risk to Opportunity" KIDS COUNT 2004 Essay, see ED485937. For the 2003 Data Book, see ED475646. For the 2005 Data Book, see ED485935.]