Sebastian Kurz: Austrian conservative set to become world's youngest leader

The victory would make Mr Kurz the world's youngest national leader.

The People's Party was set to win more than 31%. It is so far unclear whether the Social Democrats or the far-right Freedom Party will finish second.

Short of a majority, Mr Kurz's party could seek an alliance with the anti-immigration Freedom Party.

Who is Sebastian Kurz?

Before the election, Mr Kurz served as Europe's youngest-ever foreign minister, after he was appointed in 2013 aged just 27.

In May 2017 he became the leader of the People's Party. He began his political career in the youth wing of the party, which he chaired before moving on to serve on Vienna's city council.

Nicknamed "Wunderwuzzi" (roughly translated - someone who can walk on water), he has been compared to the young leaders of France and Canada, Emmanuel Macron and Justin Trudeau.

Much like Mr Macron, Mr Kurz has created a movement around himself, rebranding the People's Party - which has been in power for more than 30 years - as "The New People's Party".

What were the main issues?

Immigration was the dominant issue in the run-up to the vote, and Mr Kurz moved his party to the right in the wake of Europe's 2015 refugee crisis.

He appealed to conservative and right-wing voters with pledges to shut down migrant routes to Europe, cap benefit payments to refugees, and bar immigrants from receiving benefits until they have lived in Austria for five years.

The rightward shift was seen as a response to the success of the Freedom Party, which narrowly missed out on the presidency in December when Norbert Hofer was defeated by Alexander Van der Bellen, head of the Greens.

The stance proved popular with Austrian voters after a huge influx of undocumented migrants and refugees from the Middle East and North Africa.

The Freedom Party accused Mr Kurz of stealing their policies. Their candidate, Heinz-Christian Strache, has called him an "imposter".

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What next?

Mr Kurz looks to be on course to win the lion's share of the vote but not a majority. If the polls are correct, he will need to form a coalition, most likely with the Freedom Party.

The last coalition between the Social Democrats and the conservatives fell apart this spring - and there may be reluctance to renew it. But an alliance with the populist, far-right Freedom Party could prove controversial among Austria's EU counterparts.

Republic of Austria

Capital: Vienna

• Population 8.7 million

• Area 83,871 sq km (32,383 sq miles)

• Major language German

• Major religion Christianity

• Life expectancy 80 years (men), 84 years (women)

• Currency euro

Polls have put the Freedom Party at an all all-time high of 26.9%, suggesting that the European far-right is not dead after emphatic defeats in France and the Netherlands.

The relative success of the Freedom Party follows an electoral breakthrough by the far right in neighbouring Germany last month.

What about the opposition?

The current chancellor, Social Democrat leader Christian Kern, looks certain to lose his position after a campaign marred by several scandals, including allegations that his adviser led an online smear campaign against Mr Kurz.

Mr Kern said on Sunday he had no intention of standing down as leader, despite the party's loss. "I have said I will stay in politics for 10 years and there are nine years to go," he told broadcaster OBF.

After a tumultuous year with internal rifts, the pro-refugee Greens party is among several smaller parties uncertain of reaching the 4% threshold required to enter parliament.