Jean-Luc Mélenchon, 75, now polls second in France’s 2027 presidential race, at 17.0% in the multi-poll average kept by La Sonde, with individual surveys in early November running as high as 19%. That puts him ahead of every other candidate except Marine Le Pen, whose National Rally is polling 30.5% to 38% depending on the pollster and the field tested. France elects its president in two rounds: if nobody clears a majority in round one, the top two go to a run-off. Mélenchon’s problem is round two. In every head-to-head poll against Le Pen since 2024, he loses, by a margin that has sat near 2-to-1 for a year and a half.
The French left, and the right, argue over what that gap means. Right-wing opponents call him a radical, former allies call him a despot, and some of the students who have been protesting in the streets this autumn call him a hero, as Al Jazeera reported. None of those labels is a number. Here are the numbers.
Three elections, one ceiling
Mélenchon’s share of the first-round vote has climbed steadily across four presidential runs: 11.1% in 2012, 19.6% in 2017, 21.95% in 2022, a few hundred thousand votes and 1.2 points behind Le Pen that year. The 2027 figure is not a result, it is a polling average taken five months before voting starts, and it currently sits below his 2022 score, not above it. Whether that gap closes, as it did in the final month of the 2022 campaign when he jumped from 10% to 18% in four weeks, is the first number to watch between now and spring.
He has never held national executive office. He joined the Socialist Party in the 1980s, left it in 2008 over its turn toward market liberalism, founded the Left Party the same year, and built that into La France Insoumise (LFI), the party he still runs. LFI unveiled the fifth edition of its presidential platform, L’Avenir en commun (‘A shared future’), on 6 November: 212 pages, 1,069 proposed measures, 238 of them new, according to Les Echos’s count reported by Quartz France. Mélenchon presented it the next day at a rally in Le Bourget, outside Paris, telling the crowd ‘we are paving the way for a major political shift in France.’
What the manifesto actually proposes
The headline numbers: raise the net monthly minimum wage to €1,700 from roughly €1,480, a 14.9% increase; restore a full pension at 60 after 40 years of contributions, reversing Macron’s 2023 law that pushed the legal age from 62 to 64, with the rollback phased in gradually rather than at once, LCP reported; cap a maximum inheritance at €12 million; set a minimum wealth tax and bring back the solidarity tax on fortunes (ISF), abolished under Macron in 2018; cap the pay ratio inside companies at 1-to-20 between lowest and highest earners; and raise public-sector wages and housing benefit by 10%. On energy, it would scrap the planned EPR2 nuclear reactor programme, refuse to extend existing reactors past 60 years of operation, and push for 100% renewable electricity by 2060, a target pushed back a decade from the 2022 programme’s 2050.
On foreign and monetary policy, the plan repeats LFI’s 2022 position on NATO: pull out of the alliance’s integrated military command as a first step, then negotiate full withdrawal. France did exactly that once before, leaving the integrated command under de Gaulle in 1966 and rejoining under Sarkozy in 2009. The more contested line is on debt: Mélenchon wants France to stop repaying the sovereign debt held by the European Central Bank, turning it into what is effectively a permanent, interest-free loan. Prime Minister Sébastien Lecornu’s response, as reported by Al Jazeera, was blunt: borrowing money and not paying it back is ‘called theft.’ The ECB and the Banque de France governor, Emmanuel Moulin, have separately argued that anything resembling debt cancellation would breach EU treaty law, specifically Article 123’s ban on monetary financing of governments.
‘An autocrat,’ say former allies
The authoritarianism charge against LFI comes mostly from inside the party’s own alumni. Thomas Guénolé, a former LFI candidate, has called the movement a ‘dictatorship’ run by ‘an autocrat.’ Former lawmaker Raquel Garrido says she backs the platform but not the leader’s ‘methods.’ Clémentine Autain, once a close ally, accuses LFI of turning ‘authoritarian.’ The political analyst Jacques Reland described Mélenchon to Al Jazeera as the party’s ‘supreme leader,’ heading an organisation that is tightly disciplined but not internally democratic. None of that is new: LFI has run on a top-down model since its founding, and Mélenchon has survived three presidential campaigns and multiple leadership challenges running it that way.
A second, more damaging line of attack concerns antisemitism. Mélenchon has declined to call Hamas a terrorist organisation and has accused Israel of committing genocide in Gaza, a word Raphaël Glucksmann, the Socialist-aligned rival for the left’s vote, avoids using. The dispute turned personal on 1 March 2026, when Mélenchon mispronounced Glucksmann’s name as ‘Glucksman’ in a speech; Glucksmann replied that ‘it is not done, to play upon names that sound either Jewish or foreign,’ accusing him of invoking ‘the worst codes of antisemitism.’ The backdrop to that fight is a real surge in recorded incidents: antisemitic acts in France rose 284% in 2023 according to the CNCDH’s review of Interior Ministry data, cited in Human Rights Watch’s 2025 world report, against a 29% rise in anti-Muslim acts and a 21% rise in other racist and xenophobic incidents over the same year. Mélenchon rejects the antisemitism label; his critics on the left say his rhetoric has made it easier for the charge to stick, whatever his intent.
The arithmetic that doesn’t move
| Mélenchon (%) | Le Pen (%) | |
|---|---|---|
| 25-27 May | 33 | 67 |
| 7-8 Jul | 33 | 67 |
| 18-19 Aug | 32 | 68 |
| 8-10 Sep | 33 | 67 |
| 22-24 Sep | 31 | 69 |
| 5-8 Oct | 33 | 67 |
| 19-21 Oct | 30 | 70 |
Source: Harris Interactive second-round polls, compiled by Wikipedia's French-election tracking page. All dates 2026; single pollster shown for comparability across the year
Seven Harris Interactive polls across 2026 put the Mélenchon-Le Pen runoff within a two-point band: 30% to 33% for him, 67% to 70% for her. Other pollsters land in the same range; OpinionWay and Ifop both had him at 31-32% in October. That consistency across houses and months, rather than any single poll, is what should worry his campaign more than any individual number. The ‘republican front’ that has historically pushed centrist and conservative voters to back whoever runs against the far right in round two is reported by multiple analysts to be weaker, or absent, when Mélenchon is the alternative to Le Pen rather than a centrist, which is one mechanism for why his second-round ceiling hasn’t moved.
The left itself is not consolidating behind him. Glucksmann, backed by the Socialist Party and running his own social-democratic, pro-European track, has ruled out an alliance. Smaller left parties remain undecided on whether unity behind the strongest left candidate is worth the compromises LFI’s internal culture and foreign-policy positions would require. That split matters mechanically: round one rewards whichever left candidate consolidates the most votes against a fragmented field, and a divided left raises the odds that round two is contested entirely on the right, as France Unbowed’s own youth support plays out against a backdrop of street protests that have already pushed Macron’s government toward curfews and, now, toward opening talks with student organisers it had previously ignored.
The next data points worth tracking: whether the left’s smaller parties pick a single candidate before ballot-access deadlines in early 2027, whether LFI’s promised full costing of the 1,069 measures, due ‘early 2027’ by the party’s own account, survives contact with independent economists the way the 2022 programme mostly didn’t, and whether Mélenchon can do in the next five months what he did in the last four weeks of 2022: close an 8-point gap in his own first-round polling before anyone votes.