(See https://www.riksdagen.se/sv/dokument-och-lagar/dokument/sven...)
Full-time and part-time employees get 4 weeks of annual leave, based on their ordinary hours of work.2 weeks is the acceptable limit in the UK for example (where also has 20-35 holiday is common) though if you can convince your boss otherwise, you can take longer, but most people can't
This can be an unwelcome feature for some people, for example, if you want to have a vacation in the northern hemisphere summer season instead and/or maybe you don't have substantial family in Australia (or at least, those you actually want to see).
The auscorp reddit has a yearly thread on this issue: https://www.reddit.com/r/auscorp/comments/1mw6pqt/end_of_yea...
Those with school aged children might also want to save some of their annual for the mid-term/mid-year breaks as well. (Our academic years are aligned to calendar years)
I've "retired" into agriculture and a lot of farmers take a month off after harvest time to go fishing or other wise relax (this generally means filling up a couple of deep chest freezers with fish for the rest of the year).
Is this at the executive level?