Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas,
by age and disability category: Fall 2007

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 2,115 3,274 8,111 23,911 63,081 121,049 180,485
Speech or language impairments 58,524 103,192 166,659 219,924 219,932 195,118 159,826
Mental retardation 2,132 3,109 7,310 14,356 19,400 24,819 29,996
Emotional disturbance 239 606 2,616 7,042 12,825 18,705 24,005
Multiple disabilities 1,353 1,726 3,994 6,210 7,387 8,107 8,958
Hearing impairments 2,091 2,469 3,210 4,188 4,909 5,397 5,784
Orthopedic impairments 1,888 2,386 3,202 4,109 4,603 4,775 4,959
Other health impairments 3,061 4,082 9,414 17,419 27,625 38,539 50,018
Visual impairments 842 1,044 1,366 1,708 1,892 2,099 2,162
Autism 8,013 12,432 18,989 24,241 25,192 24,698 24,753
Deaf-blindness 50 60 88 83 103 104 86
Traumatic brain injury 202 268 433 693 970 1,198 1,509
Developmental delayª 81,375 116,529 71,917 38,504 30,732 15,894 3,499
All disabilities 161,885 251,177 297,309 362,388 418,651 460,502 496,040


 

Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas,
by age and disability category: Fall 2007

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 218,590 244,305 260,986 271,521 275,642 278,680 275,705
Speech or language impairments 116,957 77,600 51,543 36,884 25,348 18,888 14,676
Mental retardation 32,820 35,268 38,236 41,508 44,644 47,873 48,533
Emotional disturbance 28,182 32,397 37,257 43,876 49,517 54,275 54,786
Multiple disabilities 9,314 9,518 9,962 10,375 10,803 10,987 11,091
Hearing impairments 5,868 6,080 5,963 6,188 5,942 5,856 5,757
Orthopedic impairments 5,010 4,799 4,810 4,794 4,594 4,509 4,503
Other health impairments 56,494 60,703 62,404 63,920 62,789 60,344 56,006
Visual impairments 2,152 2,115 2,108 2,061 2,013 2,186 2,083
Autism 22,887 21,213 20,437 19,172 17,811 16,614 14,069
Deaf-blindness 90 82 86 108 103 108 115
Traumatic brain injury 1,683 1,908 2,029 2,073 2,157 2,287 2,433
Developmental delayª - - - - - - -
All disabilities 500,047 495,988 495,821 502,480 501,363 502,607 489,757


 

Table 1-7. Children and students served under IDEA, Part B, in the U.S. and outlying areas,
by age and disability category: Fall 2007

Disability category		 17 Years
old		 18 Years
old		 19 Years
old		 20 Years
old		 21 Years
old		 22+ Years
old
Specific learning disabilities 255,493 121,286 22,557 5,165 1,784 17
Speech or language impairments 11,468 4,707 929 276 89 2
Mental retardation 48,027 35,070 18,422 12,402 6,785 180
Emotional disturbance 47,447 21,251 5,595 2,219 823 6
Multiple disabilities 10,418 7,775 5,392 4,226 2,071 72
Hearing impairments 5,371 3,147 1,056 481 173 2
Orthopedic impairments 4,152 2,434 1,185 806 481 7
Other health impairments 48,141 20,823 4,188 1,346 429 19
Visual impairments 2,086 994 384 265 115 3
Autism 11,700 7,162 4,076 2,875 1,405 34
Deaf-blindness 104 84 53 48 23 2
Traumatic brain injury 2,470 1,413 544 328 169 2
Developmental delayª - - - - - -
All disabilities 446,877 226,146 64,381 30,437 14,347 346
 
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," 2007.  Data updated as of July 15, 2008.
 
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.
 
- Data not available.