Over 15 million peopleare expected to exercise their votes tomorrowwith over 1,600 candidates, including five of Indian-origin, contesting fromover 55 political parities.
The main contest is between Turnbul and his conservative coalition against a Labor opposition led by Shorten.
Britain's decision to leave the European Union prompted Australia's political leaders to re-emphasise their economic security credentials ahead of the election this Saturday.
The polls will elect all 226 members including 150 members for the lower houseof the 45th Parliament after an eight-week official campaign period following thedouble dissolution announcedby Prime Minister Turnbull in April this year.
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About 10 million people are expected to vote at 7,000 polling booths whereas over 4.5 million people are on track to votein advance.
In the 150-seat House of Representatives, Labor currently holds 55 seats, the coalition 90 and five seats are held by minor parties or independents.
Liberal Party's Turnbull, a 61-year-old self-made multi- millionaire, focused on economy with morejobs and growth while Shorten, 49, of Labor party focused on health, education and climate change.
Turnbull has also promised to hold a plebiscite on the issue of allowing same-sex marriage if re-elected to the government.
Hours ahead of the electionday, thetwo national survey revealed 'neck to neck'race butdifferent results.
While the latest Fairfax-Ipsos poll has shown support for the coalition and Labor deadlocked at 50 per cent each and a possibility of a hung parliament, the thirdGalaxy poll showed the coalition ahead 51-49 on a two-party preferred basis.
minister.
In the Galaxy poll, the coalition wasahead of Labor 51-49 on a two-party preferred basis.
It surveyed 1,768 voters showing thatthe swing against the government waslimited to 2.5 per cent.
More than 27 per cent of voterswould support the Greens and other minor parties, according to the Fairfax-Ipsos poll, while the Galaxy poll revealedthe same number of people claiming they would vote for independents.
Both main contestants made a final pitch for votes on their last leg of election campaign in Sydney.
Five Indian-origin candidates are also contesting the federalelection representing Liberal, Labor and Greens Party apart from few who are contesting as independent candidates.