Learning disabilities vary by age

In younger years, issues related to speech or autism prevail. Among teens, the issues are Specific Learning Disabilities (e.g. dyslexia, dysgraphia, dyscalculia) and Other health impairments (e.g. ADD and ADHD, asthma, diabetes).

Percentage of California children receiving IDEA special education services, by age and primary disability. Percentages use California’s estimated resident population at each age as the denominator.
Chart: Ed100 Lesson 2.7Source: U.S. Department of Education, IDEA Section 618, Part B Child Count and Educational Environments, 2024–25; U.S. Census Bureau, Annual Estimates of the Resident Population by Single Year of Age and Sex for California, July 1, 2024 (SC-EST2024-SYASEX-06). Calculations by Ed100.Get the data Download image