Jean-Luc Mélenchon, the 74-year-old leader of La France Insoumise, has announced that he will stand for the French presidency in 2027 — his fourth bid for the office. The announcement matters less for its own sake than for the landscape it reveals: President Emmanuel Macron is term-limited and cannot stand again, Marine Le Pen is facing a legal ban that, if upheld, will remove her from the 2027 ballot, and the traditional parties of the Fifth Republic — the Socialists and the Gaullist right — have not won a presidential first round in over a decade. Mélenchon enters the race as the highest-profile figure willing to lead the populist left, in a field where both the centre that has governed since 2017 and the nationalist right that has consistently finished second are each looking for a new face.
The received wisdom
The mainstream reading in Paris and Brussels is that Mélenchon’s candidacy is a containment problem rather than a winning proposition. He has run three times and lost three times; his ceiling in the 2022 first round was just under 22%; and the broader French left remains fractured between his movement, the Socialists, the Greens, and the Communists, with no obvious mechanism for unification before a second round. On this view, the significant political energy for 2027 will come from Le Pen’s Rassemblement National regardless of whether Le Pen herself is on the ballot — the party machine has been preparing a successor for years — and from whoever the Macronist coalition settles on. Mélenchon is cast as a known quantity whose main function will be to pressure a potential left candidate toward positions that complicate the second round.
A different read
The more unsettling reading is that French politics is entering a succession crisis at both of its populist poles and at the centre, all at once. This is not a French peculiarity; it is the accelerated version of a pattern visible across Europe. Established parties, having absorbed or been absorbed by individual leaders, are discovering that charisma is not institutionally transmissible. Macron’s Renaissance is in structural terms an electoral vehicle built around one man, and the question of who inherits it is not a personnel issue but an existential one. The same is true of Rassemblement National: without Le Pen, the party’s dynastic legitimacy rests on Jordan Bardella, who is competent but inexperienced, and on an organisation whose cohesion has been tested by a single family for three generations.
The historical parallel that matters is the long succession after Charles de Gaulle. When the General left office in 1969, the Gaullist movement he had built held together for two presidential terms — Pompidou, then Giscard’s uneasy cohabitation — before fragmenting into the institutional mess that took forty years to reassemble. Personalist parties have always struggled with succession; the Fifth Republic was designed around a strong presidency precisely because the Fourth Republic’s parliamentarism had proved unworkable, and now the strong presidency is producing its own instabilities. A Mélenchon candidacy clarifies none of this, but it puts the question on the table: when the dominant figures of the 2010s and 2020s exit the stage, what actually replaces them?
For conservatives and traditionalists across Europe there is a specific lesson. The centre-right’s long decline in France — from Chirac’s winning coalition to the Républicains’ struggle to clear 10% — happened not because the party ran out of voters but because it failed to develop leaders who could credibly inherit the tradition. The same pattern is visible in Germany, where the CDU’s post-Merkel decade has been unstable, and in Britain, where Sir John Major this weekend warned against the habit of constantly changing prime ministers. The connective tissue of serious conservative parties — the committees, the local structures, the training of the next generation — degrades faster than outsiders notice, and is extraordinarily hard to rebuild.
Meanwhile the broader European political landscape is realigning around Atlantic security rather than domestic ideology. Canada is attending the European Political Community summit as its first non-European participant, explicitly to hedge against Washington. French voters in 2027 will not be choosing a president to run an insulated national economy; they will be choosing one to navigate a Europe that is pooling fiscal capacity for Ukraine, absorbing an American troop drawdown, and deciding its posture toward China. Mélenchon’s answers to those questions — withdrawal from NATO’s integrated command, a break with American leadership — are coherent but unpopular. Whoever the centre-right eventually produces will need answers of comparable coherence, and so far none is visible.
What to watch
First, whether the Socialists and Greens coalesce around a single figure before the autumn, or whether the left remains fragmented and Mélenchon’s candidacy consolidates by default. Second, the final legal ruling on Le Pen’s eligibility, and the speed with which RN pivots to a successor if the ban holds. Third, any sign that Macronism is developing a successor inside or outside the current cabinet. Fourth, the French position at next week’s EPC summit — whether Paris accepts or resists the Canada-inclusive realignment — will be read as a proxy for which way the succession debate is likely to break.
— J