The man narrowly tipped to become Australia's next prime minister predicted a "close" outcome in tomorrow's vote, as he barnstormed the country in an 11th-hour bid to defend a shrinking lead.

"We knew that this election was going to be close," said Anthony Albanese, admitting his Labor Party still had a "mountain to climb" to end nine years of unbroken conservative government.

More than 17 million Australians are registered to vote in an election that could bring an end to decades of foot dragging on climate change and a less pugilistic style of leadership.

"I have given absolutely everything. I have got nothing left in the tank," Mr Albanese said, embarking on a last-minute four-state blitz.

Delivering his closing argument to voters in Adelaide, Mr Albanese welled up as he reflected on his personal journey - from the son of a single mum living in Sydney public housing to the threshold of the highest office in the land.

Labor Leader Anthony Albanese during a visit to a pre-polling booth, in Launceston, Australia

"It says a lot about this country," he said, voice cracking with emotion. "That someone from those beginnings ... can stand before you today, hoping to be elected prime minister of this country tomorrow."

If elected, Mr Albanese notes he would be the first Australian with a non-Anglo or Celtic surname to be prime minister.

But he is up against a tough campaigner in incumbent Prime Minister Scott Morrison, who defied the polls three years ago in what he termed a "miracle" election.

Speaking in Western Australia, Mr Morrison admitted his compatriots go into election day "fatigued and tired" having endured three years of bushfires, droughts, floods and the pandemic.

"I understand that frustration," he said, while pounding out the same message that defied the odds last time: Labor cannot be trusted on the economy.

'Not up to the job'

Mr Morrison has characterised his competitor as a "loose unit" because of his high-profile gaffes, notably forgetting the national jobless rate when quizzed by reporters.

"This is the sort of stuff that prime ministers need to know," Mr Morrison said in an interview today as he campaigned in Western Australia.

"We have seen that he is not up to the job and it's bigger than him."

Prime Minister Scott Morrison and his wife Jenny have their heads
covered before entering the Sikh Gurdwara Perth, Australia

Mr Morrison boasted of new data showing Australia's unemployment rate fell to a 48-year low of 3.9% in April as an "extraordinary achievement" that showed his plan was working.

Both sides are trying to woo voters fretting about the rising cost of living, with annual inflation shooting up to 5.1% and wages failing to keep up in real terms.

In a country scarred by ever-fiercer natural disasters, Labor is promising to do more to help the environment.

Mr Morrison has resisted calls to cut carbon emissions faster by 2030 and supports mining and burning coal into the distant future to support the economy.

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In wealthy suburban areas, many voters are being wooed by a band of more than 20 independent candidates, mostly women, offering conservative policies coupled with strong action on climate change.

Mr Albanese has also promised strong action on corruption - after the incumbent failed to deliver a promised federal anti-corruption watchdog.

He has branded Mr Morrison's administration the "least open, least fair dinkum government in Australian political history".

Covid-19 voting fix

In the final days before the vote, Mr Morrison's economic warnings appear to have whittled down the polling lead enjoyed by Labor.

But all surveys still show his coalition lagging.

An Ipsos poll released yesterday gave Labor a 53-47% lead over the coalition on a two-party preferred basis.

Registered voters are required by law to cast a ballot to avoid an Aus$20 (€13.34) fine.

People queue outside a pre-polling centre as they
vote early in Melbourne today, ahead of the general election tomorrow

But in the first Australian federal vote since Covid-19 spread across the world, election officials rushed through a last-minute change in the rules to allow more infected people to cast a vote by telephone.

Besides the economy, the six-week election campaign has focused heavily on trust.

Mr Morrison's honesty has been questioned by his own allies and even French President Emmanuel Macron, who felt deceived by Australia's decision to abandon a lucrative French submarine contract.


Mr Morrison has admitted he can be a "bulldozer", saying: "I know there are things that are going to have to change with the way I do things."

Mr Albanese, in turn, has been criticised for a stumbling performance when questioned on the details of policy by reporters.

Scott Morrison barrelled into a young boy during a friendly kickaround on Wednesday

The election campaign has also delivered lighter moments.

Three days before the vote, Mr Morrison barrelled into a young boy, sending both crashing to the ground during a friendly children's football game in Tasmania.

The following day, Australia's employment minister, Stuart Robert, appeared to deflect blame for the incident from the prime minister: "There was a high five afterwards, so it was just an error from both of them," he said.