Gaining Australian citizenship can be seen as the final step in your migration journey to Australia. Becoming an Australian citizen is a privilege providing you with the same rights and privileges as any other Australian citizen, including the right to vote and the right to an Australian passport. Those who gain citizenship are also subject to the same responsibilities as other Australian citizens, including the responsibility to serve on a jury and defend Australia should the need arise.
There are essentially 2 ways in which a non-Australian citizen can gain Australian citizenship:
Australian citizenship may be conferred upon permanent residents of Australia who have resided in Australia for the required period of time, and meet all other requirements.
If you were born outside Australia, and at least one of your parents was an Australian citizen at the time of your birth, you may be eligible for Australian citizenship by descent.