請問澳洲護照持有人離開澳洲一世唔返？

加拿大國籍 I can't answer, but 澳洲公民 永遠唔返澳洲唔会失去公民权! Unless if you choosing to give up your citizenship (renunciation) or citizenship being taken away (revocation), then your 澳洲公民权 can be 失去!

So, 永遠唔返澳洲 will not 失去公民权!

2009-05-06 17:37:07 補充：
If you want to know more, suggest you look at each country's immigration website!

2009-05-06 17:37:55 補充：
澳洲 - http://www.citizenship.gov.au/loss/

2009-05-06 17:39:17 補充：
加拿大 - http://www.cic.gc.ca/english/index.asp

2009-05-06 17:39:37 補充：
希望幫到你!! ^_^