Galaxy Research, Newspoll, and Nielsen Australia conduct telephone polls of federal voting intentions.
Essential Research reports a rolling average of its two most recent polls, which are conducted each weekend using online surveys.
[1] All of the firms report two-party-preferred vote estimates calculated according to the flow of preferences at the last election.
[citation needed] The polls reported here typically have sample sizes in excess of 1,000, with margins of error of approximately three per cent.
Since the 2010 election, Newspoll and Nielsen have regularly polled voters as to whom they believe would be the best prime minister and on their satisfaction with the performance of the prime minister, Kevin Rudd (and previously Julia Gillard), and of the leader of the opposition, Tony Abbott.