[caf]

Australia doesn't have any kind of national ID card, so a driver's license is the most commonly used form of primary ID.

[ccakes]

Most (all?) states have a proof-of-age card which is functionally equivalent to a drivers license for ID purposes.

https://www.sa.gov.au/topics/driving-and-transport/licences/...

[josephg]

True; but most adults have a drivers' license instead. I don't think I know anyone who has a proof-of-age card.

[paranoidrobot]

'functionally equivalent' except where it's not.

There's a bunch of places where they've got some sort of ID requirement that only accepts either a licence or passport.

There's a really big assumption in this country that you must have a driver's license, and if you don't well then difficulties arise.

[KnightHawk3]

The best bit though, it will have a CRN on it. This CRN is the same as your drivers license. (at least in qld)

This means using a Drivers License / Proof of Age card is functionaly equivilant.