Hi,

Mostly, in order to study in Australia, you need to have a score of minimum 6.5 overall in IELTS, with no band less than 6.0 for your postgraduate degree. Similary, when you are applying for your undergraduate, you need to have a score of minimum 6.0 overall in IELTS.

But even if you don't score 6 and above, you still have a chance to go study in Australia. Your Ielts score of 5.5 is acceptable in a lot of colleges in Australia which match your subjects.

https://studyabroad.careers360.com/exams/ielts

I hope this helps,

All the best.