Originally Posted by
whitters
As far as I'm aware, Australia's policy on dual citizenship is "we don't care, but don't come crying to us if you get called up for national service".
Pretty much the same as US policy.
I hold US, Australian, and New Zealand passports (and would likely be eligible for a Russian passport if I didn't want to deal with the military service issue). No issues. The 18 rule, as hfly so graciously noted, is a load of crap.