France braces for Le Pen-Macron showdown

France on Saturday prepared to choose between centrist President Emmanuel Macron and far-right challenger Marine Le Pen to rule the country for the next five years after a bitterly contested and polarising election campaign.

Macron is the favourite to win re-election in the run-off ballot on Sunday, and there are indications he bolstered his advantage with a combative performance in the one-off election debate against a somewhat defensive Le Pen.

But the president and his allies have insisted over the last week that nothing is in the bag, with a strong turnout crucial to avoid a shock in France comparable to the 2016 polls that led to Brexit in Britain and the rise to power of Donald Trump in the United States.

Also Read | Le Pen, Macron clash in debate ahead of the French election

A Le Pen victory would also send shockwaves across Europe. Left-wing EU leaders including German Chancellor Olaf Scholz have pleaded with France to choose Macron over his rival.

The stakes are huge -- Le Pen would become modern France's first far-right leader and first female president. Macron would be the first French president to win re-election in two decades.

If elected, Macron is expected, in a symbolic gesture, to address supporters on the Champ de Mars in central Paris at the foot of the Eiffel Tower.

Polls in mainland France will open at 0600 GMT on Sunday and close 12 hours later, immediately followed by projections that usually predict the result with a degree of accuracy.

But voters in French overseas territories that span the globe will start voting earlier Paris time, beginning with those in North America and the Caribbean on Saturday, followed by the Pacific and then the Indian Ocean.

Also Read | Eyeing green vote, Macron vows to exit oil, coal and gas

Saturday is marked by a campaign blackout, with no campaigning allowed and no more polls published.

Macron and Le Pen threw themselves into a final flurry of campaigning Friday, firing off attacks in interviews before last-minute walkabouts and rallies.

Le Pen insisted that opinion polls giving Macron the lead would be proved wrong and took aim at her rival's plan to push back the retirement age to 65 from 62.

Macron for his part said Le Pen was trying to mask an authoritarian "extreme right" platform that stigmatises Muslims with a plan to outlaw headscarves in public.

Analysts say abstention rates could reach 25 to 30 per cent, in particular among left-wing voters unhappy with Macron's pro-business agenda, not least his tax cuts for businesses and the highest earners.

Spring school holidays will also be in full swing across much of the country this weekend, increasing the chances that many voters will not cast ballots.

Far-left leader Jean-Luc Melenchon, who scored a close third-place finish in the first-round vote on April 10, has refused to allow Macron an easy ride by pointedly refusing to urge his millions of followers to back the president while insisting they must not cast a single vote for Le Pen.

Polls have shown Macron with a lead of some 10 percentage points. The highly anticipated TV debate did not change the trend and, if anything, allowed Macron to open more of a gap.

The result is predicted to be closer than in 2017 when the same candidates faced off but Macron carried the day with 66 per cent to 34 per cent.

In a final plea, Macron urged voters not to repeat the mistake of those who opposed Brexit and the election of Trump but decided to stay at home.

"They woke up the next day with a hangover," he told BFMTV. "We are going to decide the future of the country on April 24 and not the opinion polls on April 22."

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