If you are 18 years and older and have not enrolled to vote then you only have until April 18 to do so.
With the date, May 18, set for this year's Federal Election, voters need to enrol or update their details before this Thursday, at 8pm.
The easiest way to enrol or change details is by using the online form - click here
You will need your driver's licence or passport number handy or have someone who is enrolled confirm your identity.
Other ways to enrol include printing a form from the Australian Electoral Commision website or visiting any Australia Post or AEC office to get the paperwork.
All Australian citizens who are eligible must enrol and vote at elections and referendums as it is compulsory.