Boris Johnson, 55, leader of the Tory Party

A lot is at stake for Prime Minister Boris Johnson in the election. If he manages to secure a majority for his Tory party, he has pledged to take Britain out of the EU on January 31, and ports a trade agreement with the EU before the end of next year. If the election goes bad for the Conservatives, his political runaway will soon be written.

Boris Johnson was elected by a large majority as new party leader for the Tories in July 2019. The dream he pursued throughout his political career then came to fruition since he also became prime minister.

His time as head of government has so far been anything but trouble-free. He promised to take Britain out of the EU on October 31, but failed. His decision to close the lower house last fall was banned by the Supreme Court, which declared the measure illegal. But the controversial and charismatic Johnson has survived the storms so far.

His greatest strength, perhaps, is his ability to reach voters who have not traditionally voted for the Conservatives.

The Eton-educated Johnson has previously been, among other things, Foreign Minister and Mayor of London.

Jeremy Corbyn, 70, leader of the Labor Party

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Who is Jeremy Corbyn?

Many were surprised, not least by Corbyn himself, when he was elected party leader in 2015. He represents Labor's left wing, and was brought up to the party leader's post by a massive opposition to the Conservative government's turnaround policy.

In the 2017 election, Jeremy Corbyn's Labor got 40 percent of the vote and deprived the Conservatives of the majority in the lower house. The election showed that his vision of a radically different economic policy, with increased taxes and large investments in the public sector, was supported by many young voters.

Corbyn is seen as ambivalent about whether Britain should leave the EU or not. The unclear position on the Brexit issue means that the same young voters who supported Corbyn in 2017 are now at risk of disappointing him.

Another dark cloud in Jeremy Corbyn's sky is his alleged inability to deal with anti-Semitism within Labor.

Voter surveys show that Corbyn's policy is more popular than himself. Many Britons distrust his ability to deliver.

If his Labor party wins the presumptive election - one is well behind the Tories in opinion polls - Jeremy Corbyn promises a second referendum on Brexit, in which one of the alternatives is that the British will remain in the EU.

Jo Swinson, 39, leader of the Liberal Democrats

Since Jo Swinson was elected party leader of the Liberal Democrats in July with a crushing majority, the party has done better in opinion polls than in a very long time. Swinson is the one who has most clearly taken a position for the UK to continue to belong to the EU.

Her statements that she may become the country's next prime minister have, to some extent, surprised many. She argues that small changes in EU opinion could bring a large number of seats in the lower house for her party. However, the British electoral system, majority voting in one-man circles, opposes this being the case.

As the only female leader of a party running throughout the UK (the Scottish Nationalist Party is only running in Scotland), Swinson has managed to attract voters across the country. With her 39 years, she is also the youngest of the party leaders, and hopes to win over young EU-positive voters from both right and left.

Nicola Sturgeon, 49, leader of the Scottish Nationalist Party (SNP)

Since Nicola Sturgeon was elected leader of the SNP and became Scotland's prime minister in 2014, the Scottish Parliament has had an even (50-50) gender distribution, which is one of Sturgeon's core issues.

She is described by many as a brilliant voter, and a brilliant campaigner for the Scottish issue. Her SNP only stands in Scotland's 59 constituencies.

In the current election campaign, Sturgeon has largely devoted himself to promoting a second referendum on Scottish independence, despite the fact that the Scots voted no to one in the first referendum that her SNP ran through 2014.

The British's yes 2016 to leave the EU has upset many Scots who want to remain in the European Union, and Nicola Sturgeon claims that Scotland stands closer to independence today than ever before.

Nigel Farage, 55, leader of the Brexit Party

For many, Nigel Farage is the very image of Brexit. He has spent his entire political career working for the UK to leave the EU, and become self-governing. He has been a member of the European Parliament for two decades.

Between 2010 and 2016, Farage led the EU-critical party Ukip (UK Independence Party). He led the party from the political margin to become a force to be reckoned with. After the British voted in favor of leaving the EU in 2016, he resigned as party leader. Now he had "got his country back," he said.

In January 2019, the Brexit Party was formed. Farage soon assumed the role of party leader, and is still determined to achieve a full British exit from the EU.

Nigel Farage is known for his straightforward and confrontational style. He has been noted for a number of controversial statements, including his admiration of Russian President Vladimir Putin.