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Top research areas ranked by number of records.
| Research areas | Records | % of 5561 |
| Psychology | 2,456 | 44.2 |
| Psychiatry | 1,017 | 18.3 |
| Education Educational research | 857 | 15.4 |
| Public environmental occupational health | 768 | 13.8 |
| Substance abuse | 268 | 4.8 |
| Social sciences other topics | 223 | 4.0 |
| General internal medicine | 203 | 3.6 |
| Neurosciences neurology | 167 | 3.0 |
| Health care sciences services | 160 | 2.9 |
| Nursing | 152 | 2.7 |
| Family studies | 128 | 2.3 |
| Social work | 116 | 2.0 |
