The 2017 French presidential election was held on 23 April and 7 May 2017. As no candidate won a majority in the first round on 23 April, a run-off was held between the top two candidates, Emmanuel Macron of En Marche! and Marine Le Pen of the National Front (FN), which Macron won by a decisive margin on 7 May. The presidential election was followed by legislative elections to elect members of the National Assembly on 11 and 18 June. Incumbent president François Hollande of the Socialist Party (PS) was eligible to run for a second term, but declared on 1 December 2016 that he would not seek reelection in light of low approval ratings, making him the first incumbent president of the Fifth Republic not to seek re-election.
François Fillon of the Republicans (LR), after winning the party’s first open primary, and Marine Le Pen of the National Front led first-round opinion polls in November 2016 and mid-January 2017. Polls tightened considerably by late January, and after the publication of revelations that Fillon employed family members in possibly fictitious jobs in a series of politico-financial affairs that came to be colloquially known as « Penelopegate », Macron overtook Fillon to place consistently second in first-round polling. At the same time, Benoît Hamon won the Socialist primary, entering fourth place in the polls. After strong debate performances, Jean-Luc Mélenchon of la France Insoumise rose significantly in polls in late March, overtaking Hamon to place just below Fillon.
The first round was held under a state of emergency that was declared following the November 2015 Paris attacks. Following the result of the first round, Macron and Le Pen continued to the 7 May runoff. It was the first time since 2002 that a National Front candidate continued to the second round and the first time in the history of the Fifth Republic that the runoff did not include a nominee of the traditional left or right parties; their combined share of the vote from eligible voters, at approximately 26%, was also a historic low.
Estimations of the result of the second round on 7 May indicated that Macron had been elected by a decisive margin, and Le Pen immediately conceded defeat. After the Interior Ministry published preliminary results, the official result of the second round was proclaimed by the Constitutional Council on 10 May. Macron took office on 14 May, becoming the youngest president in French history and youngest head of state since Napoleon, and named Édouard Philippe as Prime Minister on 15 May; the initial government was assembled on 17 May, and legislative elections on 11 and 18 June gave Macron a substantial majority.