Presidential elections were held in France on 23 April and 7 May 2017. 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 head of state of the Fifth Republic not to seek reelection. As no candidate won a majority in the first round, a runoff was held between the top two candidates, Emmanuel Macron of En Marche! (EM) and Marine Le Pen of the National Front (FN), which Macron won with a difference of more than 30% of the vote. 
François Fillon of The Republicans (LR)—after winning the party's first open primary—and Le Pen of the National Front led first-round opinion polls in November 2016 and mid-January 2017. Polls tightened considerably by late January; 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 (FI) 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; 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. Overall, 43.6% of the registered electorate voted for Macron; in 2002, by contrast, two-thirds of eligible voters voted against then-FN candidate Jean-Marie Le Pen. When Macron took office on 14 May, he became the youngest holder of the presidency in French history and the youngest French head of state since Napoleon. He named Édouard Philippe as Prime Minister the next day. The initial government was assembled on 17 May; legislative elections on 11 and 18 June gave En Marche! a substantial majority.
Background.
The President of the French Republic and French Co-Prince of Andorra is elected to a five-year term in a two-round election under Article 7 of the Constitution: if no candidate secures an absolute majority of votes in the first round, a second round is held two weeks later between the two candidates who received the most votes. In 2017, the first and second rounds were held 23 April and 7 May.
Each presidential candidate must meet a specific set of requirements in order to run. They must be a French citizen of at least 18 years old. It is also necessary for candidates to be on an electoral roll, proving their eligibility to vote. 
To be listed on the first-round ballot, candidates must secure 500 signatures (often referred to as "parrainages") from national or local elected officials from at least 30 different departments or overseas collectivities, with no more than a tenth of these signatories from any single department. The official signature collection period followed the publication of the "Journal officiel" on 25 February to 17 March. The collection period had initially been scheduled to begin on 23 February, but a visit by Prime Minister Bernard Cazeneuve to China on that date forced a delay. French prefectures mailed sponsorship forms to the 42,000 elected officials eligible to give their signature to a candidate, which must then be delivered to the Constitutional Council for validation. Unlike in previous years, a list of validated signatures was posted on Tuesday and Thursday of every week on the council's website; in the past, signatories were published only after the official candidate list had been verified after the end of the collection period. The end of the signature collection period also marked the deadline for the declaration of personal assets required of prospective candidates. The final list of candidates was declared on 21 March.
The Conseil supérieur de l'audiovisuel (CSA) ensured that all candidates receive equal time in broadcast media "under comparable programming conditions" from 19 March onward. The CSA warned on 8 March that the amount of speaking time broadcasters had given Fillon and his supporters was "unusually high", even given the unusual circumstances surrounding his candidacy. After the official start of the campaign on 10 April, the CSA strictly enforced equal time in broadcast media. Campaigning for the first round of the election ended at midnight on 21 April, two days before the vote. The Constitutional Council verified the results of the first round between the 24–26 April and officially certified the vote tallies on 26 April, with the same procedure being used for the second round. The new President of the French Republic was set to be proclaimed on 11 May and undergo their investiture ceremony on 14 May at the latest.
Candidates.
On 18 March 2017, the Constitutional Council published the names of the 11 candidates who received 500 valid sponsorships, with the order of the list determined by drawing lots.
Sponsorships.
A candidate must secure 500 signatures from elected officials in order to appear on the first-round ballot, with the signature collection period ending on 17 March. The table below lists sponsorships received by the Constitutional Council by candidate.
Non-candidates.
Socialist Party (PS).
The 2017 presidential election was the first in the history of the Fifth Republic in which a sitting president did not seek a second term. On 1 December 2016, incumbent president François Hollande, acknowledging his low approval ratings, announced he would not seek a second term. His then-Prime Minister Manuel Valls declared on 5 December 2016 that he would run in the Socialist primary on 22 January 2017, but he was defeated by Benoît Hamon in its second round on 29 January.
Democratic Movement (MoDem).
François Bayrou, the three-time centrist presidential candidate and leader of the Democratic Movement (MoDem) – who came fourth in 2002, third in 2007, and fifth in 2012 – initially supported the candidacy of Alain Juppé in the primary of the right against his long-time adversary Nicolas Sarkozy, whom he vowed to run against if he won the primary. However, Fillon's victory in the primary – which saw the elimination of Sarkozy in the first round and the defeat of Juppé in the runoff – led Bayrou to reconsider lodging a bid for the presidency, despite his 2014 election promise during his successful mayoral campaign in Pau that he would not seek the presidency if he won. After an extended period of suspense, he finally announced on 22 February that he would not run for a fourth time, instead proposing a conditional alliance with Emmanuel Macron, who accepted his offer.
Europe Ecology – The Greens (EELV).
On 9 July 2016, Europe Ecology – The Greens (EELV) announced that it would hold a primary election before the 2017 presidential election. Those wishing to be nominated required the support of 36 of its "federal councilors" out of 240; nominations were open to individuals in civic society as well. The vote was open to both party members as well as sympathizers who could register to vote in the primary. The announcement came just days after prominent environmentalist Nicolas Hulot's surprise declaration that he would not offer himself as a presidential candidate on 5 July. EELV were the first party to hold a presidential primary for the 2017 election, with two rounds held on 19 October and 7 November 2016. It was contested by deputy, former Minister of Territorial Equality and Housing, and ex-party leader Cécile Duflot, as well as three MEPs – Karima Delli, Yannick Jadot, and Michèle Rivasi.
Duflot was considered the early favorite, though she initially opposed holding a primary, aware of the risk that she might lose it; and highlighted her experience in government. Her main proposal was to incorporate the fight against climate change into the Constitution. Jadot was perceived as her main challenger; elected as an MEP in 2009, he worked with Greenpeace France from 2002 to 2008, specializing in transatlantic trade and climate issues. With Thomas Piketty and Daniel Cohn-Bendit, he sought a "primary of all the left", which failed to materialize. He rejected the "candidacy awaited by the political-media world" – that of Duflot, among others – and represented an anti-Duflot force from the party's right wing. Rivasi only barely managed to qualify for the primary, earlier lacking the necessary sponsorships. Like Jadot, she represented the radical wing of the party – albeit on its left flank – and served as deputy for Drôme from 1997 to 2002 and led Greenpeace France from 2003 to 2004. Delli, the daughter of Algerian immigrants, first became involved in politics as part of collective movements, and sought to become an MEP in 2009 after a stint as parliamentary assistant to Marie-Christine Blandin. Also of the party's left-wing, she declared that she would defend a "popular ecology".
Jadot and Rivasi advanced to the runoff after scoring 35.61% and 30.16%, respectively, in the first round; the other two candidates were eliminated, with Duflot garnering 24.41% and Delli 9.82%. Jadot won the second round of the primary on 7 November, obtaining 54.25% of the vote against Rivasi's 40.75%, becoming the nominee of the EELV in the presidential election. Jadot, who claimed 496 sponsorships just before the opening of the collection period, withdrew his candidacy on 23 February and endorsed Hamon, the pair having agreed on a common platform. An online vote among EELV primary voters from 24 and 26 February was required to confirm the agreement; an earlier vote to open talks with Hamon and Mélenchon was approved by 89.7% of those electors. The Hamon–Jadot alliance was consummated on 26 February; among those who cast a vote, 79.53% voted to support it, with 15.39% opposed and 5.08% submitting blank ballots, and an overall voter turnout of 55.25% (9,433 votes). This marks the first election since 1969 without a green candidate.
Primaries.
The Republicans (LR).
After his loss as the nominee of the Union for a Popular Movement (UMP) in the 2012 presidential election, ex-president Nicolas Sarkozy pledged to return to being a "Frenchman among the French". However, he announced on 19 September 2014 that he would seek the presidency of the party, a position he secured in an online vote on 29 November online vote with the backing of 64.50% of party members, against his main opponent Bruno Le Maire's 29.18%. He succeeded the triumvirate of Alain Juppé, François Fillon, and Jean-Pierre Raffarin, which assumed the party's leadership after the resignation of Jean-François Copé. Sarkozy was initially reluctant to accept the idea of holding a right-wing primary for the 2017 presidential election, but on 25 September 2014 he declared his support for a primary of the right after a warning from Juppé, who on 20 August made public his intention to run for the nomination.
The rules of the primary were confirmed in April 2015, scheduling the first round of an open primary for 20 November 2016, with a runoff on 27 November if no candidate received more than 50% of the vote. Those wishing to vote were required to pay €2 per ballot and sign a charter indicating their adherence to "Republican values of the right and centre". In order to appear on the ballot, prospective candidates needed to present sponsorships from 250 elected officials from at least 30 departments, with no more than a tenth from the same department, including at least 20 parliamentarians, in addition to the signatures of at least 2,500 party members across at least 15 departments, with no more than a tenth from the same department. The charter permitted other parties wishing to participate to set their own sponsorship requirements. The High Authority ultimately determined that seven candidates qualified to compete in the open primary of the right