The full dataset can be found here.
The following statistics on Age, Gender and Flexible working have been provided by the Human Resources department and represent 100% of employees in the UK:
Age by Grade:
Gender by Grade:
Flexible working by grade:
The following statistics on Disability, Religion / Belief, Ethnicity and Sexual Orientation have been taken from a voluntary employee diversity questionnaire which we asked all employees to complete. We had a 75% response rate, and these figures are based on those responses: