Bordeaux, France (CNN) French voters have two choices in Sunday's presidential election, far right candidate Marine Le Pen or independent centrist Emmanuel Macron, but with days to go until the ballot a third option is gaining momentum -- sitting out the election entirely.

A campaign is urging voters to stay at home, leave their ballot envelope empty or submit a blank piece of paper instead of a ballot slip.

Hashtags such as #SansMoiLe7Mai (without me on May 7), #NiPatrieNiPatron (neither country, nor boss) and #NiMarineNiMacron (neither Marine, nor Macron) have emerged on social media platforms.

A woman in Bordeaux reads posters urging voters not to turn out this weekend.

Official government figures show more people decided to abstain from voting in the April 23 first round of the French presidential election than voted for any single candidate -- including Macron and National Front's Le Pen.

And while many leading politicians from left and right have thrown their support behind Macron ahead of Sunday's vote, far-left firebrand Jean-Luc Melenchon has refused to do the same. That raises the question: what effect will a high abstention level have on the result?

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