Trente Glorieuses

• 1. Introduction

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  Les Trente Glorieuses names a thirty-year span of French economic growth that ran from 1945 to 1975. The phrase translates as "The Glorious Thirty," and it carries a deliberate echo: it was borrowed from Les Trois Glorieuses, the three days of street revolution that shook France between the 27th and the 29th of July 1830. Thirty years of prosperity, named for three days of revolt. That tension between tumult and plenty runs through the whole story.

  The man who gave this era its name was a French demographer named Jean Fourastie. He coined the term in 1979, four years after the period had already ended, with the publication of his book Les Trente Glorieuses, ou la revolution invisible de 1946 a 1975. The subtitle is the real provocation: the invisible revolution. Something enormous had happened to France, and most people had lived through it without fully noticing what it was.

  How does a country ravaged by two world wars, with rationing still in place as late as 1947 and 1948, become one of the world's highest standards of living? What forces turned a scarred, obsolete economy into a machine of unprecedented growth? And who actually benefited?

• 2. A Country Starting from Rubble

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  Rationing persisted in France until 1947 and 1948, years after the guns had gone silent. The housing crisis was severe. The cost of living was rising. France in the immediate postwar years was, as the sources put it, paralysed by an obsolete economy and crumbling infrastructure, and from 1946 to 1950 the country did not achieve real growth at all.

  Charles de Gaulle had returned to a still partially occupied France as early as 1944, stepping into a country whose economy had been controlled by German occupation since 1940. His response was a dirigiste policy: substantial state-directed control layered over a capitalist base. The government would not leave recovery to the market alone.

  France was not alone in this position. Within the framework of the Marshall Plan, the economies of West Germany, Italy, and Japan were also in the process of rapid reconstruction. The context mattered. Restored borders and tariffs initially limited economic interchange between these countries. The breakthrough came in 1951, with the introduction of the Montanunion, the European Coal and Steel Community, which placed trade in coal and steel under supranational High Authority decisions. Efficiency and prosperity began to rise across the region as a result.

• 3. The Numbers Behind the Miracle

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  French economist Thomas Piketty put the Trente Glorieuses in precise perspective in his 2013 book Capital in the Twenty-First Century. He described the period as an exceptional catch-up phase following the destruction of two world wars. His data made the scale visible: normal growth in wealthy countries runs at roughly 1.5 to 2% per year. Between 1913 and 1950, European growth collapsed to just 0.5%. Then, between 1950 and 1970, it surged to 4%, before settling back to the 1.5 to 2% range from 1970 onward.

  That 4% figure is not just impressive in isolation. It represents a compression of decades of lost ground into a single generation's lifetime. Piketty's framing of it as a catch-up period carries a sobering implication: some of what looked like a miracle was, in part, the arithmetic of recovering from catastrophe.

  The real purchasing power of the average French worker's salary rose by 170% between 1950 and 1975. Overall private consumption climbed by 174% in the period from 1950 to 1974. High productivity, high average wages, and high consumption moved together. The era was also distinguished by a highly developed system of social benefits that helped distribute those gains broadly.

• 4. Who Changed and How

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  Historians Jean Blondel and Donald Geoffrey Charlton noted in 1974 that working-class housing in France had improved beyond recognition. Their observation pointed to something often overlooked in accounts of national economic growth: the changes were visible in ordinary households, not just in aggregate statistics.

  Ownership of what Blondel and Charlton called the "gadgets" of the consumer society, from televisions to motor cars, was being purchased by the French working class on what they described as an even more avid basis than in other Western European countries. Telephones were still a gap, they noted, but the broader pattern of material life had shifted fundamentally.

  France's population reorganised itself geographically as prosperity spread. The country became far more urbanised. Many rural departements lost population outright. The larger metropolitan areas grew considerably, with Paris expanding most visibly. The French standard of living, damaged by both world wars, climbed to rank among the world's highest. The working class wages that had anchored people in agriculture or small-town life now fuelled a new urban consumer economy.

  Fourastie's subtitle, the invisible revolution, pointed to exactly this quality of the transformation: it happened in refrigerators and apartment blocks and car purchases rather than on barricades, which is partly why it took until 1979, four years after the era had closed, for someone to name it.