Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas, by age and
disability category: Fall 2006
Disability category 3 Years
old		 4 Years
old		 5 Years
old		 6 Years
old		 7 Years
old		 8 Years
old		 9 Years
old
Specific learning disabilities 3,070 3,261 8,518 26,764 66,509 128,958 186,312
Speech or language impairments 61,088 105,184 171,963 227,479 221,289 197,089 156,680
Mental retardation 4,997 6,462 11,920 15,249 20,019 26,010 30,832
Emotional disturbance 981 1,530 3,933 7,109 13,011 19,038 24,313
Multiple disabilities 1,993 2,416 5,061 6,900 7,075 8,240 9,188
Hearing impairments 2,174 2,579 3,455 4,269 4,877 5,485 5,663
Orthopedic impairments 2,165 2,579 3,426 4,411 4,587 5,009 5,220
Other health impairments 3,422 3,731 8,828 18,414 25,934 38,353 48,069
Visual impairments 974 1,155 1,417 1,654 1,910 2,046 2,134
Autism 7,583 10,570 16,958 21,315 21,292 22,163 21,425
Deaf-blindness 61 61 85 90 88 103 94
Traumatic brain injury 214 309 510 721 963 1,254 1,446
Developmental delayª 76,954 107,143 65,654 37,542 28,547 14,762 3,080
All disabilities 165,676 246,980 301,728 371,917 416,101 468,510 494,456


 

Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas, by age and
disability category: Fall 2006
Disability category 10 Years
old		 11 Years
old		 12 Years
old		 13 Years
old		 14 Years
old		 15 Years
old		 16 Years
old
Specific learning disabilities 227,377 253,808 275,882 282,455 287,661 291,988 285,015
Speech or language impairments 115,478 76,880 53,263 36,828 26,271 18,749 14,557
Mental retardation 34,403 37,980 41,526 45,207 48,846 50,877 51,777
Emotional disturbance 29,139 34,668 41,424 47,854 53,128 57,267 56,464
Multiple disabilities 9,420 9,835 10,324 10,771 10,900 11,268 11,122
Hearing impairments 5,913 6,039 6,269 6,110 6,089 5,998 5,782
Orthopedic impairments 5,052 5,034 5,021 4,827 4,695 4,751 4,535
Other health impairments 54,131 57,800 59,224 60,169 59,321 57,740 53,530
Visual impairments 2,105 2,132 2,071 2,048 2,235 2,119 2,192
Autism 20,034 19,715 17,744 16,759 16,063 13,887 11,769
Deaf-blindness 87 104 117 107 109 123 118
Traumatic brain injury 1,786 1,918 2,012 2,177 2,213 2,319 2,399
Developmental delayª 0 0 0 0 0 0 0
All disabilities 504,925 505,913 514,877 515,312 517,531 517,086 499,260


 

Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas, by age and
disability category: Fall 2006
Disability category 17 Years
old		 18 Years
old		 19 Years
old		 20 Years
old		 21 Years
old		 22+ Years
old
Specific learning disabilities 250,522 118,268 22,009 5,281 1,667 179
Speech or language impairments 10,527 4,478 926 328 82 6
Mental retardation 49,054 34,836 17,925 12,310 6,389 2,196
Emotional disturbance 46,450 20,607 5,480 2,083 846 131
Multiple disabilities 10,192 7,483 5,232 4,102 2,137 506
Hearing impairments 5,405 2,911 1,096 475 178 17
Orthopedic impairments 3,954 2,394 1,107 773 496 90
Other health impairments 43,436 17,732 3,860 1,282 499 58
Visual impairments 1,858 999 455 256 138 18
Autism 9,444 5,870 3,450 2,415 1,249 377
Deaf-blindness 110 76 71 50 25 2
Traumatic brain injury 2,328 1,320 557 342 177 18
Developmental delayª 0 0 0 0 0 0
All disabilities 433,280 216,974 62,168 29,697 13,883 3,598
 
 
 
-----------------------
Source: U.S. Department of Education, Office of Special Education Programs, Data Analysis System (DANS),
OMB #1820-0043: "Children with Disabilities Receiving Special Education Under Part B of the Individuals
with Disabilities Education Act," 2006.  Data updated as of July 15, 2007.
 
Note: Please see the Part B Child Count Data Notes in appendix B for information the state submitted to
clarify its data submission.
 
ªDevelopmental delay is applicable only to children ages 3 through 9.