*what your work offers - i get the statutory minimum, so i am entitled to take up to 12 months of unpaid leave.
*how long you have to be with you company to qualify - 12 months
*what kind on industry you work in - i work for a software company
*how many days holiday you get per year - 4 weeks

the govt entitlements have been covered already.

i have worked for a university previously and their entitlements were fantastic so it does depend on the employer.