| Student Age Group | Number | Percent | 
|---|---|---|
| 20-21 | 3,647 | 26.32% | 
| 18-19 | 3,390 | 24.46% | 
| 22-24 | 2,558 | 18.46% | 
| 25-29 | 2,369 | 17.09% | 
| 30-34 | 958 | 6.91% | 
| 35 and over | 906 | 6.54% | 
Most The American University students fall into the 20-21 age-range. Student age diversity is considered average.