Facts and figures on post-docs at Leiden University
On 1 February 2008 there were 192 postdocs working at Leiden University, based on the definition applied by the Collective Employment Contract of Dutch Universities. Postdocs are defined as: researchers 3 and 4 in temporary employment with an appointment of 0.5 fte or more. The diagram below shows the division across the different faculties and institutes of the University, the male-female ratio and the average age.
| Faculty/Institute | Total | F | M | Average age |
| Archaeology | 8 | 2 | 6 | 39 |
| Humanities | 23 | 7 | 16 | 40 |
| Law | 2 | 1 | 1 | 32 |
| Social and Behavioural Sciences | 7 | 3 | 4 | 39 |
| Science | 145 | 56 | 89 | 33 |
| Other: Campus, IIAS, ISIM, CML, Nat. Herbarium | 7 | 2 | 5 | 37 |
| Total: | 192 | 71 (37%) | 121 (63%) | 37 |