Australian Electoral Commission


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Topic of public interest

Determining the number of seats

The Electoral Commissioner will soon determine how many federal electoral divisions (seats) each state and territory is entitled to. This determination occurs every electoral cycle, one year after the first sitting day for a new House of Representatives (current Parliament: 30 August 2016).

The determination is part of a broader process to ensure, as near as possible, that each electoral division has a similar number of enrolled voters. It will be calculated using estimated resident population data that was released by the Australian Bureau of Statistics on 27 June 2017.

It is possible for a state or territory to lose or gain a seat as a result of the determination and this would trigger a redistribution process to redraw the relevant jurisdiction’s seats to accommodate the change.

Further information – Does Australia always have 150 federal electoral divisions?

Current federal redistributions

Local elections

State and local elections are not run by AEC. If you have an enquiry or didn't vote in a state or local election, please contact your state electoral authority.

Latest news

There will be a brief service interruption to some AEC systems 7.30am to 8am AEST on Friday 30 June 2017.

There will be a brief service interruption tonight, 29 June 2017, to the AEC’s Online Enrolment Service. If unavailable please check back later, or alternatively use the manual forms that will be available.