An Australian permanent resident and an Australian citizen are not the same thing. Get to know the key differences here as well as the privileges and responsibilities of being an Australian citizen. Any adult who became a permanent resident on or after 1 July 2007 must have been lawfully residing in Australia for four years immediately before applying for Australian citizenship. This includes:
1 . 12 months as a permanent resident
2 . absences from Australia of no more than 12 months
3 . absences from Australia of no more than three months in the 12 months before applying.