This is an HTML version of an attachment to the Freedom of Information request 'Autism severity of NDIS participants since 2019'.

DOCUMENT 1
OFFICIAL
FOI 24/25-1290
The content of this document is OFFICIAL.
1. Number of Active Participants with Autism as a Primary Disability*
Reported level of function
Missing
Total number  Proportion
As at
1-5 (High function)
6-10 (Moderate function)
11-15 (Low function)
(Missing LoF)
of participants of Scheme
30-Jun-19
21,853
43,019
20,163
149
85,184
30%
31-Dec-19
24,693
55,471
24,326
128
104,618
31%
30-Jun-20
25,844
68,701
28,178
107
122,830
31%
31-Dec-20
27,267
79,372
30,597
99
137,335
32%
30-Jun-21
28,369
89,833
33,139
92
151,433
32%
31-Dec-21
29,907
101,345
35,772
87
167,111
33%
30-Jun-22
32,038
112,139
38,239
78
182,494
34%
31-Dec-22
34,717
123,664
40,880
106
199,367
35%
30-Jun-23
36,191
135,291
43,225
173
214,880
35%
31-Dec-23
37,641
146,521
45,261
696
230,119
36%
30-Jun-24
41,106
149,115
46,064
2,659
238,944
36%
31-Dec-24
50,204
159,294
47,228
4,891
261,617
38%
*Autism includes 3 ICD disabilities (Autism disorder, Asperger syndrome, Rett syndrome)
2. Number of Active Participants with Autism as a Secondary Disability**
Reported level of function
Missing
Total number  Proportion
As at
1-5 (High function)
6-10 (Moderate function)
11-15 (Low function)
(Missing LoF)
of participants of Scheme
30-Jun-19
<2555
5,088
5,891
<11
13,540
5%
31-Dec-19
<2755
5,504
6,403
<11
14,665
4%
30-Jun-20
<2825
5,772
6,825
<11
15,428
4%
31-Dec-20
<2950
5,954
7,000
<11
15,906
4%
30-Jun-21
<2915
6,139
7,087
<11
16,145
3%
31-Dec-21
<2925
6,313
7,211
<11
16,454
3%
30-Jun-22
<3065
6,397
7,309
<11
16,773
3%
31-Dec-22
<3255
6,523
7,362
<11
17,145
3%
30-Jun-23
<3415
6,648
7,436
<11
17,503
3%
31-Dec-23
3,544
6,756
7,452
45
17,797
3%
30-Jun-24
3,515
6,786
7,489
123
17,913
3%
31-Dec-24
3,532
6,889
7,597
160
18,178
3%
**Autism includes 3 ICD disabilities (Autism disorder, Asperger syndrome, Rett syndrome). Only 30% of all Scheme participants have any secondary disability reported in the data.
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OFFICIAL