https://chadd.org/about-adhd/general-prevalence-children/
Of children aged 3-17,
- Approximately 6 million children (9.8 percent) ever been diagnosed with ADHD
- Ages 3-5: 2.2 percent in this age group
- Ages 6-11: 10.0 percent
- Ages 12-17: 13.2 percent
- 这是2016-19的调查结果,但趋势是增加的 到2022年 In 2022, an additional 1 million U.S. children aged 3-17 years had ever received an ADHD diagnosis compared to 2016.