Ratio of permanent to temporary staff
Professors, senior lecturers and support staff in universities are seldom assigned as temporary. Persons in these jobcategories have mostly often in tenured contracts.
PhD-students in the Netherlands are actually not students but staffmembers, be it with non-permanent contracts.
Researchers mainly consist of Post-docs, also a group that consist of non-permanent contracts.
The visual shows the proportion of academic staff on temporary contracts. It is possible to change the view from persons to fte.