In Australia's case there is little need for presenting ID. An Australian polling booth has a copy of the electoral roll, with names and addresses (homeless pe

In Australia's case there is little need for presenting ID. An Australian polling booth has a copy of the electoral roll, with names and addresses (homeless people can enroll with name only). This roll is marked when you vote, and then the roll is analysed afterwards. Attempting to stuff the ballot box by impersonating someone will show up as duplicate marks on the roll. You won't get far with impersonating random people as voting is compulsory in most elections so duplicates will quickly happen. You could vote twice if guaranteed in advance that someone wasn't going to vote, but at best you will get only a small number of extra votes that way. The aim with an election isn't necessarily to outright prevent cheating, but to prevent undetected cheating. Hence why ID isn't so crucial (at least in Australia).