Changes that have recently taken place in the composition of the American family and the circumstances in which children and youth are now growing up are highlighted in this Congressional report. While this compilation of approximately 64 tables of data is not intended to be comprehensive, nor does it use every statistical series available, it does include data for which there are reasonably reliable national measures. Several tables are provided in each of the following seven categories: population, family environment, income, education, health and health-related behavior, behavior and attitudes, and selected government programs affecting children. Brief statements by two of the members of the Select Committee on Children, Youth, and Families are appended. (RH)