This document reproduces selected information from the U.S. Department of Education's "Twentieth Annual Report to Congress on the Implementation of the Individuals with Disabilities Education Act" (1998). These selections consist of text and data tables related to two programs for young children and their families under the Individuals with Disabilities Education Act (IDEA): the Early Intervention Programs for Infants and Toddler with Disabilities, Part C of IDEA, which covers services to children from birth through age 2; and the Preschool Program (Section 619) of Part B of IDEA, which covers services to children from ages 3 to 5. Information is provided on the following areas: (1) number and percentage of children served by age and disability; (2) educational environments of children served; (3) national trends in the supply of special education teachers; (4) estimated resident population for children in different age groups; (5) funding for IDEA and state grants awarded for early intervention and preschool services; (6) number of infants and toddlers served; (7) Individualized Family Service Plan services; (8) early intervention personnel; (9) early intervention settings for children receiving services; (10) IDEA amendments of 1997; and (11) state progress in use of interagency agreements. (Each section contains references.) (CR)