Identified prevalence of childhood autism by age and gender
| Age in years | All children | Children with autism | ||||
| Total | Female | Male | Total | Female | Male | |
| 0 | 58 715 | 28 823 | 29 892 | 76 (0.1%) | 34 (0.1%) | 42 (0.1%) |
| 1 | 59 556 | 29 188 | 30 368 | 126 (0.2%) | 52 (0.2%) | 74 (0.2%) |
| 2 | 58 909 | 28 936 | 29 973 | 301 (0.5%) | 87 (0.3%) | 214 (0.7%) |
| 3 | 58 764 | 28 735 | 30 029 | 509 (0.9%) | 132 (0.5%) | 377 (1.3%) |
| 4 | 56 877 | 27 915 | 28 962 | 730 (1.3%) | 176 (0.6%) | 554 (1.9%) |
| 5 | 55 224 | 26 910 | 28 314 | 966 (1.7%) | 223 (0.8%) | 743 (2.6%) |
| 6 | 55 236 | 26 872 | 28 364 | 1053 (1.9%) | 200 (0.7%) | 853 (3.0%) |
| 7 | 53 786 | 26 172 | 27 614 | 1154 (2.1%) | 244 (0.9%) | 910 (3.3%) |
| 8 | 52 325 | 25 665 | 26 660 | 1243 (2.4%) | 222 (0.9%) | 1021 (3.8%) |
| 9 | 53 046 | 26 022 | 27 024 | 1418 (2.7%) | 257 (1.0%) | 1161 (4.3%) |
| 10 | 55 067 | 26 950 | 28 117 | 1549 (2.8%) | 306 (1.1%) | 1243 (4.4%) |
| 11 | 56 769 | 27 699 | 29 070 | 1623 (2.9%) | 313 (1.1%) | 1310 (4.5%) |
| 12 | 58 656 | 28 412 | 30 244 | 1665 (2.8%) | 324 (1.1%) | 1341 (4.4%) |
| 13 | 59 971 | 29 353 | 30 618 | 1705 (2.8%) | 330 (1.1%) | 1375 (4.5%) |
| 14 | 61 152 | 29 586 | 31 566 | 1658 (2.7%) | 307 (1.0%) | 1351 (4.3%) |
| 15 | 62 278 | 29 987 | 32 291 | 1572 (2.5%) | 300 (1.0%) | 1272 (3.9%) |
| 0–15 | 916 331 | 447 225 | 469 106 | 17 348 (1.9%) | 3507 (0.8%) | 13 841 (3.0%) |