Table 1.
Study populations: autistic individuals in the United States (US), Australia (AU), and United Kingdom (UK)
| US | AU | UK | Total | |
|---|---|---|---|---|
| Total (n) general population | 1137 | 1098 | 1100 | 3335 |
| Total (n, %) sub-populations | ||||
| Autistic (autism/ASD) | 49 | 41 | 52 | 142 |
| 4.3% | 3.7% | 4.7% | 4.3% | |
| Autism | 25 | 24 | 27 | 76 |
| 2.2% | 2.2% | 2.5% | 2.3% | |
| Autism spectrum disorder (ASD) | 26 | 26 | 29 | 81 |
| 2.3% | 2.4% | 2.6% | 2.4% | |
| Non-autistic | 1088 | 1057 | 1048 | 3193 |
| 95.7% | 96.3% | 95.3% | 95.7% | |
| Not with autism/ASD | 1073 | 1025 | 1021 | 3119 |
| 94.4% | 93.4% | 92.8% | 93.5% | |
| Don’t know/not sure | 13 | 30 | 26 | 69 |
| 1.1% | 2.7% | 2.4% | 2.1% | |
| Decline to answer | 2 | 2 | 1 | 5 |
| 0.2% | 0.2% | 0.1% | 0.1% | |