Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas, by age and
disability category: Fall 2005
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 1,468 2,990 7,607 26,935 70,022 132,068 192,702
Speech or language impairments 58,418 107,543 164,082 227,386 222,544 193,741 156,528
Mental retardation 4,395 6,676 11,688 15,398 20,716 26,454 32,223
Emotional disturbance 837 1,579 3,373 7,248 13,038 18,812 24,667
Multiple disabilities 1,853 2,491 4,171 6,943 7,038 8,243 9,197
Hearing impairments 2,049 2,569 3,228 4,281 4,867 5,292 5,684
Orthopedic impairments 2,169 2,625 3,407 4,575 4,782 5,200 5,198
Other health impairments 2,829 3,716 6,590 17,531 25,520 36,303 45,568
Visual impairments 928 1,147 1,349 1,644 1,818 2,016 2,080
Autism 6,704 9,753 13,848 18,311 19,103 18,951 18,569
Deaf-blindness 68 82 86 89 99 99 96
Traumatic brain injury 220 353 504 694 947 1,170 1,523
Developmental delayª 72,258 106,173 82,261 34,982 27,544 13,665 2,879
All disabilities 154,196 247,697 302,194 366,017 418,038 462,014 496,914
 
 
 
 
--------------------
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," 2005.  Data updated as of July 17, 2006.
 
Note:  See Part B Child Count Data Notes in appendix B for an explanation of individual state differences.
 
ªDevelopmental delay is applicable only to children ages 3 through 9.


 

Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas, by age and
disability category: Fall 2005
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 235,787 263,374 282,826 292,663 300,113 303,817 285,137
Speech or language impairments 115,780 78,119 52,389 37,216 25,589 18,607 13,628
Mental retardation 36,678 40,745 45,155 49,011 51,576 53,752 53,039
Emotional disturbance 30,579 37,424 44,415 50,503 55,631 59,109 55,844
Multiple disabilities 9,573 10,051 10,512 10,954 11,095 10,973 10,935
Hearing impairments 5,909 6,272 6,164 6,110 6,188 5,995 5,684
Orthopedic impairments 5,313 5,253 5,075 4,943 4,980 4,700 4,362
Other health impairments 51,225 55,638 56,143 56,408 56,095 53,700 48,027
Visual impairments 2,093 2,091 2,059 2,179 2,080 2,182 1,948
Autism 18,216 17,379 15,773 15,145 13,073 11,253 9,305
Deaf-blindness 112 116 110 117 141 128 128
Traumatic brain injury 1,729 1,835 2,095 2,193 2,247 2,339 2,275
Developmental delayª 0 0 0 0 0 0 0
All disabilities 512,994 518,297 522,716 527,442 528,808 526,555 490,312
 
 
 
 
--------------------
ªDevelopmental delay is applicable only to children ages 3 through 9.


 

Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas, by age and
disability category: Fall 2005
Disability category 17 Years
old		 18 Years
old		 19 Years
old		 20 Years
old		 21 Years
old		 22+ Years
old
Specific learning disabilities 248,125 117,186 22,417 5,330 1,716 148
Speech or language impairments 10,118 4,276 906 318 70 2
Mental retardation 49,141 35,002 18,071 12,122 6,409 2,244
Emotional disturbance 45,837 20,606 5,504 2,217 950 110
Multiple disabilities 9,974 7,154 5,120 4,130 2,022 534
Hearing impairments 5,223 2,998 1,082 462 176 20
Orthopedic impairments 4,015 2,321 1,169 778 463 103
Other health impairments 38,233 15,533 3,381 1,257 466 53
Visual impairments 1,861 1,115 422 285 123 15
Autism 7,587 4,775 2,927 2,177 1,093 351
Deaf-blindness 106 113 70 44 24 6
Traumatic brain injury 2,180 1,263 550 320 149 16
Developmental delayª 0 0 0 0 0 0
All disabilities 422,400 212,342 61,619 29,440 13,661 3,602
 
 
 
 
--------------------
ªDevelopmental delay is applicable only to children ages 3 through 9.